X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fdrivers%2Fdri%2Fi965%2Fbrw_eu_emit.c;h=3b12030ec0c1f66562b3c8e4b4ae73b293e2f4d5;hb=69fdf13c215c2970feaca76f178a5c2c11ba8fec;hp=c4753933b405b1eadf68f3099c978eb2ab78118b;hpb=9557cf7d0d2e5a76a5277c2a4825e265609b2fca;p=mesa.git diff --git a/src/mesa/drivers/dri/i965/brw_eu_emit.c b/src/mesa/drivers/dri/i965/brw_eu_emit.c index c4753933b40..3b12030ec0c 100644 --- a/src/mesa/drivers/dri/i965/brw_eu_emit.c +++ b/src/mesa/drivers/dri/i965/brw_eu_emit.c @@ -36,25 +36,6 @@ #include "util/ralloc.h" -/*********************************************************************** - * Internal helper for constructing instructions - */ - -static void guess_execution_size(struct brw_compile *p, - brw_inst *insn, - struct brw_reg reg) -{ - const struct brw_context *brw = p->brw; - - if (reg.width == BRW_WIDTH_8 && p->compressed) { - brw_inst_set_exec_size(brw, insn, BRW_EXECUTE_16); - } else { - /* Register width definitions are compatible with BRW_EXECUTE_* enums. */ - brw_inst_set_exec_size(brw, insn, reg.width); - } -} - - /** * Prior to Sandybridge, the SEND instruction accepted non-MRF source * registers, implicitly moving the operand to a message register. @@ -63,12 +44,12 @@ static void guess_execution_size(struct brw_compile *p, * explicit move; it should be called before emitting a SEND instruction. */ void -gen6_resolve_implied_move(struct brw_compile *p, +gen6_resolve_implied_move(struct brw_codegen *p, struct brw_reg *src, unsigned msg_reg_nr) { - struct brw_context *brw = p->brw; - if (brw->gen < 6) + const struct gen_device_info *devinfo = p->devinfo; + if (devinfo->gen < 6) return; if (src->file == BRW_MESSAGE_REGISTER_FILE) @@ -76,6 +57,7 @@ gen6_resolve_implied_move(struct brw_compile *p, if (src->file != BRW_ARCHITECTURE_REGISTER_FILE || src->nr != BRW_ARF_NULL) { brw_push_insn_state(p); + brw_set_default_exec_size(p, BRW_EXECUTE_8); brw_set_default_mask_control(p, BRW_MASK_DISABLE); brw_set_default_compression_control(p, BRW_COMPRESSION_NONE); brw_MOV(p, retype(brw_message_reg(msg_reg_nr), BRW_REGISTER_TYPE_UD), @@ -86,7 +68,7 @@ gen6_resolve_implied_move(struct brw_compile *p, } static void -gen7_convert_mrf_to_grf(struct brw_compile *p, struct brw_reg *reg) +gen7_convert_mrf_to_grf(struct brw_codegen *p, struct brw_reg *reg) { /* From the Ivybridge PRM, Volume 4 Part 3, page 218 ("send"): * "The send with EOT should use register space R112-R127 for . This is @@ -96,8 +78,8 @@ gen7_convert_mrf_to_grf(struct brw_compile *p, struct brw_reg *reg) * Since we're pretending to have 16 MRFs anyway, we may as well use the * registers required for messages with EOT. */ - struct brw_context *brw = p->brw; - if (brw->gen >= 7 && reg->file == BRW_MESSAGE_REGISTER_FILE) { + const struct gen_device_info *devinfo = p->devinfo; + if (devinfo->gen >= 7 && reg->file == BRW_MESSAGE_REGISTER_FILE) { reg->file = BRW_GENERAL_REGISTER_FILE; reg->nr += GEN7_MRF_HACK_START; } @@ -109,11 +91,11 @@ gen7_convert_mrf_to_grf(struct brw_compile *p, struct brw_reg *reg) * The hardware encoding may depend on whether the value is an immediate. */ unsigned -brw_reg_type_to_hw_type(const struct brw_context *brw, - enum brw_reg_type type, unsigned file) +brw_reg_type_to_hw_type(const struct gen_device_info *devinfo, + enum brw_reg_type type, enum brw_reg_file file) { if (file == BRW_IMMEDIATE_VALUE) { - const static int imm_hw_types[] = { + static const int imm_hw_types[] = { [BRW_REGISTER_TYPE_UD] = BRW_HW_REG_TYPE_UD, [BRW_REGISTER_TYPE_D] = BRW_HW_REG_TYPE_D, [BRW_REGISTER_TYPE_UW] = BRW_HW_REG_TYPE_UW, @@ -131,11 +113,11 @@ brw_reg_type_to_hw_type(const struct brw_context *brw, }; assert(type < ARRAY_SIZE(imm_hw_types)); assert(imm_hw_types[type] != -1); - assert(brw->gen >= 8 || type < BRW_REGISTER_TYPE_DF); + assert(devinfo->gen >= 8 || type < BRW_REGISTER_TYPE_DF); return imm_hw_types[type]; } else { /* Non-immediate registers */ - const static int hw_types[] = { + static const int hw_types[] = { [BRW_REGISTER_TYPE_UD] = BRW_HW_REG_TYPE_UD, [BRW_REGISTER_TYPE_D] = BRW_HW_REG_TYPE_D, [BRW_REGISTER_TYPE_UW] = BRW_HW_REG_TYPE_UW, @@ -153,83 +135,100 @@ brw_reg_type_to_hw_type(const struct brw_context *brw, }; assert(type < ARRAY_SIZE(hw_types)); assert(hw_types[type] != -1); - assert(brw->gen >= 7 || type < BRW_REGISTER_TYPE_DF); - assert(brw->gen >= 8 || type < BRW_REGISTER_TYPE_HF); + assert(devinfo->gen >= 7 || type < BRW_REGISTER_TYPE_DF); + assert(devinfo->gen >= 8 || type < BRW_REGISTER_TYPE_HF); return hw_types[type]; } } void -brw_set_dest(struct brw_compile *p, brw_inst *inst, struct brw_reg dest) +brw_set_dest(struct brw_codegen *p, brw_inst *inst, struct brw_reg dest) { - const struct brw_context *brw = p->brw; + const struct gen_device_info *devinfo = p->devinfo; - if (dest.file != BRW_ARCHITECTURE_REGISTER_FILE && - dest.file != BRW_MESSAGE_REGISTER_FILE) + if (dest.file == BRW_MESSAGE_REGISTER_FILE) + assert((dest.nr & ~BRW_MRF_COMPR4) < BRW_MAX_MRF(devinfo->gen)); + else if (dest.file != BRW_ARCHITECTURE_REGISTER_FILE) assert(dest.nr < 128); gen7_convert_mrf_to_grf(p, &dest); - brw_inst_set_dst_reg_file(brw, inst, dest.file); - brw_inst_set_dst_reg_type(brw, inst, brw_reg_type_to_hw_type(brw, dest.type, - dest.file)); - brw_inst_set_dst_address_mode(brw, inst, dest.address_mode); + brw_inst_set_dst_reg_file(devinfo, inst, dest.file); + brw_inst_set_dst_reg_type(devinfo, inst, + brw_reg_type_to_hw_type(devinfo, dest.type, + dest.file)); + brw_inst_set_dst_address_mode(devinfo, inst, dest.address_mode); if (dest.address_mode == BRW_ADDRESS_DIRECT) { - brw_inst_set_dst_da_reg_nr(brw, inst, dest.nr); + brw_inst_set_dst_da_reg_nr(devinfo, inst, dest.nr); - if (brw_inst_access_mode(brw, inst) == BRW_ALIGN_1) { - brw_inst_set_dst_da1_subreg_nr(brw, inst, dest.subnr); + if (brw_inst_access_mode(devinfo, inst) == BRW_ALIGN_1) { + brw_inst_set_dst_da1_subreg_nr(devinfo, inst, dest.subnr); if (dest.hstride == BRW_HORIZONTAL_STRIDE_0) dest.hstride = BRW_HORIZONTAL_STRIDE_1; - brw_inst_set_dst_hstride(brw, inst, dest.hstride); + brw_inst_set_dst_hstride(devinfo, inst, dest.hstride); } else { - brw_inst_set_dst_da16_subreg_nr(brw, inst, dest.subnr / 16); - brw_inst_set_da16_writemask(brw, inst, dest.dw1.bits.writemask); + brw_inst_set_dst_da16_subreg_nr(devinfo, inst, dest.subnr / 16); + brw_inst_set_da16_writemask(devinfo, inst, dest.writemask); if (dest.file == BRW_GENERAL_REGISTER_FILE || dest.file == BRW_MESSAGE_REGISTER_FILE) { - assert(dest.dw1.bits.writemask != 0); + assert(dest.writemask != 0); } /* From the Ivybridge PRM, Vol 4, Part 3, Section 5.2.4.1: * Although Dst.HorzStride is a don't care for Align16, HW needs * this to be programmed as "01". */ - brw_inst_set_dst_hstride(brw, inst, 1); + brw_inst_set_dst_hstride(devinfo, inst, 1); } } else { - brw_inst_set_dst_ia_subreg_nr(brw, inst, dest.subnr); + brw_inst_set_dst_ia_subreg_nr(devinfo, inst, dest.subnr); /* These are different sizes in align1 vs align16: */ - if (brw_inst_access_mode(brw, inst) == BRW_ALIGN_1) { - brw_inst_set_dst_ia1_addr_imm(brw, inst, - dest.dw1.bits.indirect_offset); + if (brw_inst_access_mode(devinfo, inst) == BRW_ALIGN_1) { + brw_inst_set_dst_ia1_addr_imm(devinfo, inst, + dest.indirect_offset); if (dest.hstride == BRW_HORIZONTAL_STRIDE_0) dest.hstride = BRW_HORIZONTAL_STRIDE_1; - brw_inst_set_dst_hstride(brw, inst, dest.hstride); + brw_inst_set_dst_hstride(devinfo, inst, dest.hstride); } else { - brw_inst_set_dst_ia16_addr_imm(brw, inst, - dest.dw1.bits.indirect_offset); + brw_inst_set_dst_ia16_addr_imm(devinfo, inst, + dest.indirect_offset); /* even ignored in da16, still need to set as '01' */ - brw_inst_set_dst_hstride(brw, inst, 1); + brw_inst_set_dst_hstride(devinfo, inst, 1); } } - /* NEW: Set the execution size based on dest.width and - * inst->compression_control: + /* Generators should set a default exec_size of either 8 (SIMD4x2 or SIMD8) + * or 16 (SIMD16), as that's normally correct. However, when dealing with + * small registers, we automatically reduce it to match the register size. + * + * In platforms that support fp64 we can emit instructions with a width of + * 4 that need two SIMD8 registers and an exec_size of 8 or 16. In these + * cases we need to make sure that these instructions have their exec sizes + * set properly when they are emitted and we can't rely on this code to fix + * it. */ - guess_execution_size(p, inst, dest); + bool fix_exec_size; + if (devinfo->gen >= 6) + fix_exec_size = dest.width < BRW_EXECUTE_4; + else + fix_exec_size = dest.width < BRW_EXECUTE_8; + + if (fix_exec_size) + brw_inst_set_exec_size(devinfo, inst, dest.width); } extern int reg_type_size[]; static void -validate_reg(const struct brw_context *brw, brw_inst *inst, struct brw_reg reg) +validate_reg(const struct gen_device_info *devinfo, + brw_inst *inst, struct brw_reg reg) { - int hstride_for_reg[] = {0, 1, 2, 4}; - int vstride_for_reg[] = {0, 1, 2, 4, 8, 16, 32}; - int width_for_reg[] = {1, 2, 4, 8, 16}; - int execsize_for_reg[] = {1, 2, 4, 8, 16}; + const int hstride_for_reg[] = {0, 1, 2, 4}; + const int vstride_for_reg[] = {0, 1, 2, 4, 8, 16, 32}; + const int width_for_reg[] = {1, 2, 4, 8, 16}; + const int execsize_for_reg[] = {1, 2, 4, 8, 16, 32}; int width, hstride, vstride, execsize; if (reg.file == BRW_IMMEDIATE_VALUE) { @@ -238,8 +237,8 @@ validate_reg(const struct brw_context *brw, brw_inst *inst, struct brw_reg reg) * destination horiz stride has to be a word. */ if (reg.type == BRW_REGISTER_TYPE_V) { - assert(hstride_for_reg[brw_inst_dst_hstride(brw, inst)] * - reg_type_size[brw_inst_dst_reg_type(brw, inst)] == 2); + assert(hstride_for_reg[brw_inst_dst_hstride(devinfo, inst)] * + reg_type_size[brw_inst_dst_reg_type(devinfo, inst)] == 2); } return; @@ -249,22 +248,31 @@ validate_reg(const struct brw_context *brw, brw_inst *inst, struct brw_reg reg) reg.file == BRW_ARF_NULL) return; - assert(reg.hstride >= 0 && reg.hstride < Elements(hstride_for_reg)); + /* From the IVB PRM Vol. 4, Pt. 3, Section 3.3.3.5: + * + * "Swizzling is not allowed when an accumulator is used as an implicit + * source or an explicit source in an instruction." + */ + if (reg.file == BRW_ARCHITECTURE_REGISTER_FILE && + reg.nr == BRW_ARF_ACCUMULATOR) + assert(reg.swizzle == BRW_SWIZZLE_XYZW); + + assert(reg.hstride >= 0 && reg.hstride < ARRAY_SIZE(hstride_for_reg)); hstride = hstride_for_reg[reg.hstride]; if (reg.vstride == 0xf) { vstride = -1; } else { - assert(reg.vstride >= 0 && reg.vstride < Elements(vstride_for_reg)); + assert(reg.vstride >= 0 && reg.vstride < ARRAY_SIZE(vstride_for_reg)); vstride = vstride_for_reg[reg.vstride]; } - assert(reg.width >= 0 && reg.width < Elements(width_for_reg)); + assert(reg.width >= 0 && reg.width < ARRAY_SIZE(width_for_reg)); width = width_for_reg[reg.width]; - assert(brw_inst_exec_size(brw, inst) >= 0 && - brw_inst_exec_size(brw, inst) < Elements(execsize_for_reg)); - execsize = execsize_for_reg[brw_inst_exec_size(brw, inst)]; + assert(brw_inst_exec_size(devinfo, inst) >= 0 && + brw_inst_exec_size(devinfo, inst) < ARRAY_SIZE(execsize_for_reg)); + execsize = execsize_for_reg[brw_inst_exec_size(devinfo, inst)]; /* Restrictions from 3.3.10: Register Region Restrictions. */ /* 3. */ @@ -310,17 +318,19 @@ is_compactable_immediate(unsigned imm) } void -brw_set_src0(struct brw_compile *p, brw_inst *inst, struct brw_reg reg) +brw_set_src0(struct brw_codegen *p, brw_inst *inst, struct brw_reg reg) { - struct brw_context *brw = p->brw; + const struct gen_device_info *devinfo = p->devinfo; - if (reg.file != BRW_ARCHITECTURE_REGISTER_FILE) + if (reg.file == BRW_MESSAGE_REGISTER_FILE) + assert((reg.nr & ~BRW_MRF_COMPR4) < BRW_MAX_MRF(devinfo->gen)); + else if (reg.file != BRW_ARCHITECTURE_REGISTER_FILE) assert(reg.nr < 128); gen7_convert_mrf_to_grf(p, ®); - if (brw->gen >= 6 && (brw_inst_opcode(brw, inst) == BRW_OPCODE_SEND || - brw_inst_opcode(brw, inst) == BRW_OPCODE_SENDC)) { + if (devinfo->gen >= 6 && (brw_inst_opcode(devinfo, inst) == BRW_OPCODE_SEND || + brw_inst_opcode(devinfo, inst) == BRW_OPCODE_SENDC)) { /* Any source modifiers or regions will be ignored, since this just * identifies the MRF/GRF to start reading the message contents from. * Check for some likely failures. @@ -330,17 +340,21 @@ brw_set_src0(struct brw_compile *p, brw_inst *inst, struct brw_reg reg) assert(reg.address_mode == BRW_ADDRESS_DIRECT); } - validate_reg(brw, inst, reg); + validate_reg(devinfo, inst, reg); - brw_inst_set_src0_reg_file(brw, inst, reg.file); - brw_inst_set_src0_reg_type(brw, inst, - brw_reg_type_to_hw_type(brw, reg.type, reg.file)); - brw_inst_set_src0_abs(brw, inst, reg.abs); - brw_inst_set_src0_negate(brw, inst, reg.negate); - brw_inst_set_src0_address_mode(brw, inst, reg.address_mode); + brw_inst_set_src0_reg_file(devinfo, inst, reg.file); + brw_inst_set_src0_reg_type(devinfo, inst, + brw_reg_type_to_hw_type(devinfo, reg.type, reg.file)); + brw_inst_set_src0_abs(devinfo, inst, reg.abs); + brw_inst_set_src0_negate(devinfo, inst, reg.negate); + brw_inst_set_src0_address_mode(devinfo, inst, reg.address_mode); if (reg.file == BRW_IMMEDIATE_VALUE) { - brw_inst_set_imm_ud(brw, inst, reg.dw1.ud); + if (reg.type == BRW_REGISTER_TYPE_DF || + brw_inst_opcode(devinfo, inst) == BRW_OPCODE_DIM) + brw_inst_set_imm_df(devinfo, inst, reg.df); + else + brw_inst_set_imm_ud(devinfo, inst, reg.ud); /* The Bspec's section titled "Non-present Operands" claims that if src0 * is an immediate that src1's type must be the same as that of src0. @@ -363,13 +377,20 @@ brw_set_src0(struct brw_compile *p, brw_inst *inst, struct brw_reg reg) * The GM45 instruction compaction tables do not contain mapped meanings * so it's not clear whether it has the restriction. We'll assume it was * lifted on SNB. (FINISHME: decode the GM45 tables and check.) + * + * Don't do any of this for 64-bit immediates, since the src1 fields + * overlap with the immediate and setting them would overwrite the + * immediate we set. */ - brw_inst_set_src1_reg_file(brw, inst, BRW_ARCHITECTURE_REGISTER_FILE); - if (brw->gen < 6) { - brw_inst_set_src1_reg_type(brw, inst, - brw_inst_src0_reg_type(brw, inst)); - } else { - brw_inst_set_src1_reg_type(brw, inst, BRW_HW_REG_TYPE_UD); + if (type_sz(reg.type) < 8) { + brw_inst_set_src1_reg_file(devinfo, inst, + BRW_ARCHITECTURE_REGISTER_FILE); + if (devinfo->gen < 6) { + brw_inst_set_src1_reg_type(devinfo, inst, + brw_inst_src0_reg_type(devinfo, inst)); + } else { + brw_inst_set_src1_reg_type(devinfo, inst, BRW_HW_REG_TYPE_UD); + } } /* Compacted instructions only have 12-bits (plus 1 for the other 20) @@ -383,97 +404,107 @@ brw_set_src0(struct brw_compile *p, brw_inst *inst, struct brw_reg reg) * * If we see a 0.0:F, change the type to VF so that it can be compacted. */ - if (brw_inst_imm_ud(brw, inst) == 0x0 && - brw_inst_src0_reg_type(brw, inst) == BRW_HW_REG_TYPE_F) { - brw_inst_set_src0_reg_type(brw, inst, BRW_HW_REG_IMM_TYPE_VF); + if (brw_inst_imm_ud(devinfo, inst) == 0x0 && + brw_inst_src0_reg_type(devinfo, inst) == BRW_HW_REG_TYPE_F) { + brw_inst_set_src0_reg_type(devinfo, inst, BRW_HW_REG_IMM_TYPE_VF); } /* There are no mappings for dst:d | i:d, so if the immediate is suitable * set the types to :UD so the instruction can be compacted. */ - if (is_compactable_immediate(brw_inst_imm_ud(brw, inst)) && - brw_inst_cond_modifier(brw, inst) == BRW_CONDITIONAL_NONE && - brw_inst_src0_reg_type(brw, inst) == BRW_HW_REG_TYPE_D && - brw_inst_dst_reg_type(brw, inst) == BRW_HW_REG_TYPE_D) { - brw_inst_set_src0_reg_type(brw, inst, BRW_HW_REG_TYPE_UD); - brw_inst_set_dst_reg_type(brw, inst, BRW_HW_REG_TYPE_UD); + if (is_compactable_immediate(brw_inst_imm_ud(devinfo, inst)) && + brw_inst_cond_modifier(devinfo, inst) == BRW_CONDITIONAL_NONE && + brw_inst_src0_reg_type(devinfo, inst) == BRW_HW_REG_TYPE_D && + brw_inst_dst_reg_type(devinfo, inst) == BRW_HW_REG_TYPE_D) { + brw_inst_set_src0_reg_type(devinfo, inst, BRW_HW_REG_TYPE_UD); + brw_inst_set_dst_reg_type(devinfo, inst, BRW_HW_REG_TYPE_UD); } } else { if (reg.address_mode == BRW_ADDRESS_DIRECT) { - brw_inst_set_src0_da_reg_nr(brw, inst, reg.nr); - if (brw_inst_access_mode(brw, inst) == BRW_ALIGN_1) { - brw_inst_set_src0_da1_subreg_nr(brw, inst, reg.subnr); + brw_inst_set_src0_da_reg_nr(devinfo, inst, reg.nr); + if (brw_inst_access_mode(devinfo, inst) == BRW_ALIGN_1) { + brw_inst_set_src0_da1_subreg_nr(devinfo, inst, reg.subnr); } else { - brw_inst_set_src0_da16_subreg_nr(brw, inst, reg.subnr / 16); + brw_inst_set_src0_da16_subreg_nr(devinfo, inst, reg.subnr / 16); } } else { - brw_inst_set_src0_ia_subreg_nr(brw, inst, reg.subnr); + brw_inst_set_src0_ia_subreg_nr(devinfo, inst, reg.subnr); - if (brw_inst_access_mode(brw, inst) == BRW_ALIGN_1) { - brw_inst_set_src0_ia1_addr_imm(brw, inst, reg.dw1.bits.indirect_offset); + if (brw_inst_access_mode(devinfo, inst) == BRW_ALIGN_1) { + brw_inst_set_src0_ia1_addr_imm(devinfo, inst, reg.indirect_offset); } else { - brw_inst_set_src0_ia_subreg_nr(brw, inst, reg.dw1.bits.indirect_offset); + brw_inst_set_src0_ia16_addr_imm(devinfo, inst, reg.indirect_offset); } } - if (brw_inst_access_mode(brw, inst) == BRW_ALIGN_1) { + if (brw_inst_access_mode(devinfo, inst) == BRW_ALIGN_1) { if (reg.width == BRW_WIDTH_1 && - brw_inst_exec_size(brw, inst) == BRW_EXECUTE_1) { - brw_inst_set_src0_hstride(brw, inst, BRW_HORIZONTAL_STRIDE_0); - brw_inst_set_src0_width(brw, inst, BRW_WIDTH_1); - brw_inst_set_src0_vstride(brw, inst, BRW_VERTICAL_STRIDE_0); + brw_inst_exec_size(devinfo, inst) == BRW_EXECUTE_1) { + brw_inst_set_src0_hstride(devinfo, inst, BRW_HORIZONTAL_STRIDE_0); + brw_inst_set_src0_width(devinfo, inst, BRW_WIDTH_1); + brw_inst_set_src0_vstride(devinfo, inst, BRW_VERTICAL_STRIDE_0); } else { - brw_inst_set_src0_hstride(brw, inst, reg.hstride); - brw_inst_set_src0_width(brw, inst, reg.width); - brw_inst_set_src0_vstride(brw, inst, reg.vstride); + brw_inst_set_src0_hstride(devinfo, inst, reg.hstride); + brw_inst_set_src0_width(devinfo, inst, reg.width); + brw_inst_set_src0_vstride(devinfo, inst, reg.vstride); } } else { - brw_inst_set_src0_da16_swiz_x(brw, inst, - BRW_GET_SWZ(reg.dw1.bits.swizzle, BRW_CHANNEL_X)); - brw_inst_set_src0_da16_swiz_y(brw, inst, - BRW_GET_SWZ(reg.dw1.bits.swizzle, BRW_CHANNEL_Y)); - brw_inst_set_src0_da16_swiz_z(brw, inst, - BRW_GET_SWZ(reg.dw1.bits.swizzle, BRW_CHANNEL_Z)); - brw_inst_set_src0_da16_swiz_w(brw, inst, - BRW_GET_SWZ(reg.dw1.bits.swizzle, BRW_CHANNEL_W)); + brw_inst_set_src0_da16_swiz_x(devinfo, inst, + BRW_GET_SWZ(reg.swizzle, BRW_CHANNEL_X)); + brw_inst_set_src0_da16_swiz_y(devinfo, inst, + BRW_GET_SWZ(reg.swizzle, BRW_CHANNEL_Y)); + brw_inst_set_src0_da16_swiz_z(devinfo, inst, + BRW_GET_SWZ(reg.swizzle, BRW_CHANNEL_Z)); + brw_inst_set_src0_da16_swiz_w(devinfo, inst, + BRW_GET_SWZ(reg.swizzle, BRW_CHANNEL_W)); /* This is an oddity of the fact we're using the same * descriptions for registers in align_16 as align_1: */ if (reg.vstride == BRW_VERTICAL_STRIDE_8) - brw_inst_set_src0_vstride(brw, inst, BRW_VERTICAL_STRIDE_4); + brw_inst_set_src0_vstride(devinfo, inst, BRW_VERTICAL_STRIDE_4); else - brw_inst_set_src0_vstride(brw, inst, reg.vstride); + brw_inst_set_src0_vstride(devinfo, inst, reg.vstride); } } } void -brw_set_src1(struct brw_compile *p, brw_inst *inst, struct brw_reg reg) +brw_set_src1(struct brw_codegen *p, brw_inst *inst, struct brw_reg reg) { - const struct brw_context *brw = p->brw; - assert(reg.file != BRW_MESSAGE_REGISTER_FILE); + const struct gen_device_info *devinfo = p->devinfo; if (reg.file != BRW_ARCHITECTURE_REGISTER_FILE) assert(reg.nr < 128); + /* From the IVB PRM Vol. 4, Pt. 3, Section 3.3.3.5: + * + * "Accumulator registers may be accessed explicitly as src0 + * operands only." + */ + assert(reg.file != BRW_ARCHITECTURE_REGISTER_FILE || + reg.nr != BRW_ARF_ACCUMULATOR); + gen7_convert_mrf_to_grf(p, ®); + assert(reg.file != BRW_MESSAGE_REGISTER_FILE); - validate_reg(brw, inst, reg); + validate_reg(devinfo, inst, reg); - brw_inst_set_src1_reg_file(brw, inst, reg.file); - brw_inst_set_src1_reg_type(brw, inst, - brw_reg_type_to_hw_type(brw, reg.type, reg.file)); - brw_inst_set_src1_abs(brw, inst, reg.abs); - brw_inst_set_src1_negate(brw, inst, reg.negate); + brw_inst_set_src1_reg_file(devinfo, inst, reg.file); + brw_inst_set_src1_reg_type(devinfo, inst, + brw_reg_type_to_hw_type(devinfo, reg.type, reg.file)); + brw_inst_set_src1_abs(devinfo, inst, reg.abs); + brw_inst_set_src1_negate(devinfo, inst, reg.negate); /* Only src1 can be immediate in two-argument instructions. */ - assert(brw_inst_src0_reg_file(brw, inst) != BRW_IMMEDIATE_VALUE); + assert(brw_inst_src0_reg_file(devinfo, inst) != BRW_IMMEDIATE_VALUE); if (reg.file == BRW_IMMEDIATE_VALUE) { - brw_inst_set_imm_ud(brw, inst, reg.dw1.ud); + /* two-argument instructions can only use 32-bit immediates */ + assert(type_sz(reg.type) < 8); + brw_inst_set_imm_ud(devinfo, inst, reg.ud); } else { /* This is a hardware restriction, which may or may not be lifted * in the future: @@ -481,41 +512,41 @@ brw_set_src1(struct brw_compile *p, brw_inst *inst, struct brw_reg reg) assert (reg.address_mode == BRW_ADDRESS_DIRECT); /* assert (reg.file == BRW_GENERAL_REGISTER_FILE); */ - brw_inst_set_src1_da_reg_nr(brw, inst, reg.nr); - if (brw_inst_access_mode(brw, inst) == BRW_ALIGN_1) { - brw_inst_set_src1_da1_subreg_nr(brw, inst, reg.subnr); + brw_inst_set_src1_da_reg_nr(devinfo, inst, reg.nr); + if (brw_inst_access_mode(devinfo, inst) == BRW_ALIGN_1) { + brw_inst_set_src1_da1_subreg_nr(devinfo, inst, reg.subnr); } else { - brw_inst_set_src1_da16_subreg_nr(brw, inst, reg.subnr / 16); + brw_inst_set_src1_da16_subreg_nr(devinfo, inst, reg.subnr / 16); } - if (brw_inst_access_mode(brw, inst) == BRW_ALIGN_1) { + if (brw_inst_access_mode(devinfo, inst) == BRW_ALIGN_1) { if (reg.width == BRW_WIDTH_1 && - brw_inst_exec_size(brw, inst) == BRW_EXECUTE_1) { - brw_inst_set_src1_hstride(brw, inst, BRW_HORIZONTAL_STRIDE_0); - brw_inst_set_src1_width(brw, inst, BRW_WIDTH_1); - brw_inst_set_src1_vstride(brw, inst, BRW_VERTICAL_STRIDE_0); + brw_inst_exec_size(devinfo, inst) == BRW_EXECUTE_1) { + brw_inst_set_src1_hstride(devinfo, inst, BRW_HORIZONTAL_STRIDE_0); + brw_inst_set_src1_width(devinfo, inst, BRW_WIDTH_1); + brw_inst_set_src1_vstride(devinfo, inst, BRW_VERTICAL_STRIDE_0); } else { - brw_inst_set_src1_hstride(brw, inst, reg.hstride); - brw_inst_set_src1_width(brw, inst, reg.width); - brw_inst_set_src1_vstride(brw, inst, reg.vstride); + brw_inst_set_src1_hstride(devinfo, inst, reg.hstride); + brw_inst_set_src1_width(devinfo, inst, reg.width); + brw_inst_set_src1_vstride(devinfo, inst, reg.vstride); } } else { - brw_inst_set_src1_da16_swiz_x(brw, inst, - BRW_GET_SWZ(reg.dw1.bits.swizzle, BRW_CHANNEL_X)); - brw_inst_set_src1_da16_swiz_y(brw, inst, - BRW_GET_SWZ(reg.dw1.bits.swizzle, BRW_CHANNEL_Y)); - brw_inst_set_src1_da16_swiz_z(brw, inst, - BRW_GET_SWZ(reg.dw1.bits.swizzle, BRW_CHANNEL_Z)); - brw_inst_set_src1_da16_swiz_w(brw, inst, - BRW_GET_SWZ(reg.dw1.bits.swizzle, BRW_CHANNEL_W)); + brw_inst_set_src1_da16_swiz_x(devinfo, inst, + BRW_GET_SWZ(reg.swizzle, BRW_CHANNEL_X)); + brw_inst_set_src1_da16_swiz_y(devinfo, inst, + BRW_GET_SWZ(reg.swizzle, BRW_CHANNEL_Y)); + brw_inst_set_src1_da16_swiz_z(devinfo, inst, + BRW_GET_SWZ(reg.swizzle, BRW_CHANNEL_Z)); + brw_inst_set_src1_da16_swiz_w(devinfo, inst, + BRW_GET_SWZ(reg.swizzle, BRW_CHANNEL_W)); /* This is an oddity of the fact we're using the same * descriptions for registers in align_16 as align_1: */ if (reg.vstride == BRW_VERTICAL_STRIDE_8) - brw_inst_set_src1_vstride(brw, inst, BRW_VERTICAL_STRIDE_4); + brw_inst_set_src1_vstride(devinfo, inst, BRW_VERTICAL_STRIDE_4); else - brw_inst_set_src1_vstride(brw, inst, reg.vstride); + brw_inst_set_src1_vstride(devinfo, inst, reg.vstride); } } } @@ -528,8 +559,8 @@ brw_set_src1(struct brw_compile *p, brw_inst *inst, struct brw_reg reg) * \b before filling out any message-specific data. Callers can * choose not to fill in irrelevant bits; they will be zero. */ -static void -brw_set_message_descriptor(struct brw_compile *p, +void +brw_set_message_descriptor(struct brw_codegen *p, brw_inst *inst, enum brw_message_target sfid, unsigned msg_length, @@ -537,7 +568,7 @@ brw_set_message_descriptor(struct brw_compile *p, bool header_present, bool end_of_thread) { - struct brw_context *brw = p->brw; + const struct gen_device_info *devinfo = p->devinfo; brw_set_src1(p, inst, brw_imm_d(0)); @@ -548,28 +579,28 @@ brw_set_message_descriptor(struct brw_compile *p, * since they go on the later SEND/SENDC instead and if set here would * instead clobber the conditionalmod bits. */ - unsigned opcode = brw_inst_opcode(brw, inst); + unsigned opcode = brw_inst_opcode(devinfo, inst); if (opcode == BRW_OPCODE_SEND || opcode == BRW_OPCODE_SENDC) { - brw_inst_set_sfid(brw, inst, sfid); + brw_inst_set_sfid(devinfo, inst, sfid); } - brw_inst_set_mlen(brw, inst, msg_length); - brw_inst_set_rlen(brw, inst, response_length); - brw_inst_set_eot(brw, inst, end_of_thread); + brw_inst_set_mlen(devinfo, inst, msg_length); + brw_inst_set_rlen(devinfo, inst, response_length); + brw_inst_set_eot(devinfo, inst, end_of_thread); - if (brw->gen >= 5) { - brw_inst_set_header_present(brw, inst, header_present); + if (devinfo->gen >= 5) { + brw_inst_set_header_present(devinfo, inst, header_present); } } -static void brw_set_math_message( struct brw_compile *p, +static void brw_set_math_message( struct brw_codegen *p, brw_inst *inst, unsigned function, unsigned integer_type, bool low_precision, unsigned dataType ) { - struct brw_context *brw = p->brw; + const struct gen_device_info *devinfo = p->devinfo; unsigned msg_length; unsigned response_length; @@ -600,35 +631,35 @@ static void brw_set_math_message( struct brw_compile *p, brw_set_message_descriptor(p, inst, BRW_SFID_MATH, msg_length, response_length, false, false); - brw_inst_set_math_msg_function(brw, inst, function); - brw_inst_set_math_msg_signed_int(brw, inst, integer_type); - brw_inst_set_math_msg_precision(brw, inst, low_precision); - brw_inst_set_math_msg_saturate(brw, inst, brw_inst_saturate(brw, inst)); - brw_inst_set_math_msg_data_type(brw, inst, dataType); - brw_inst_set_saturate(brw, inst, 0); + brw_inst_set_math_msg_function(devinfo, inst, function); + brw_inst_set_math_msg_signed_int(devinfo, inst, integer_type); + brw_inst_set_math_msg_precision(devinfo, inst, low_precision); + brw_inst_set_math_msg_saturate(devinfo, inst, brw_inst_saturate(devinfo, inst)); + brw_inst_set_math_msg_data_type(devinfo, inst, dataType); + brw_inst_set_saturate(devinfo, inst, 0); } -static void brw_set_ff_sync_message(struct brw_compile *p, +static void brw_set_ff_sync_message(struct brw_codegen *p, brw_inst *insn, bool allocate, unsigned response_length, bool end_of_thread) { - const struct brw_context *brw = p->brw; + const struct gen_device_info *devinfo = p->devinfo; brw_set_message_descriptor(p, insn, BRW_SFID_URB, 1, response_length, true, end_of_thread); - brw_inst_set_urb_opcode(brw, insn, 1); /* FF_SYNC */ - brw_inst_set_urb_allocate(brw, insn, allocate); + brw_inst_set_urb_opcode(devinfo, insn, 1); /* FF_SYNC */ + brw_inst_set_urb_allocate(devinfo, insn, allocate); /* The following fields are not used by FF_SYNC: */ - brw_inst_set_urb_global_offset(brw, insn, 0); - brw_inst_set_urb_swizzle_control(brw, insn, 0); - brw_inst_set_urb_used(brw, insn, 0); - brw_inst_set_urb_complete(brw, insn, 0); + brw_inst_set_urb_global_offset(devinfo, insn, 0); + brw_inst_set_urb_swizzle_control(devinfo, insn, 0); + brw_inst_set_urb_used(devinfo, insn, 0); + brw_inst_set_urb_complete(devinfo, insn, 0); } -static void brw_set_urb_message( struct brw_compile *p, +static void brw_set_urb_message( struct brw_codegen *p, brw_inst *insn, enum brw_urb_write_flags flags, unsigned msg_length, @@ -636,11 +667,11 @@ static void brw_set_urb_message( struct brw_compile *p, unsigned offset, unsigned swizzle_control ) { - struct brw_context *brw = p->brw; + const struct gen_device_info *devinfo = p->devinfo; - assert(brw->gen < 7 || swizzle_control != BRW_URB_SWIZZLE_TRANSPOSE); - assert(brw->gen < 7 || !(flags & BRW_URB_WRITE_ALLOCATE)); - assert(brw->gen >= 7 || !(flags & BRW_URB_WRITE_PER_SLOT_OFFSET)); + assert(devinfo->gen < 7 || swizzle_control != BRW_URB_SWIZZLE_TRANSPOSE); + assert(devinfo->gen < 7 || !(flags & BRW_URB_WRITE_ALLOCATE)); + assert(devinfo->gen >= 7 || !(flags & BRW_URB_WRITE_PER_SLOT_OFFSET)); brw_set_message_descriptor(p, insn, BRW_SFID_URB, msg_length, response_length, true, @@ -648,29 +679,29 @@ static void brw_set_urb_message( struct brw_compile *p, if (flags & BRW_URB_WRITE_OWORD) { assert(msg_length == 2); /* header + one OWORD of data */ - brw_inst_set_urb_opcode(brw, insn, BRW_URB_OPCODE_WRITE_OWORD); + brw_inst_set_urb_opcode(devinfo, insn, BRW_URB_OPCODE_WRITE_OWORD); } else { - brw_inst_set_urb_opcode(brw, insn, BRW_URB_OPCODE_WRITE_HWORD); + brw_inst_set_urb_opcode(devinfo, insn, BRW_URB_OPCODE_WRITE_HWORD); } - brw_inst_set_urb_global_offset(brw, insn, offset); - brw_inst_set_urb_swizzle_control(brw, insn, swizzle_control); + brw_inst_set_urb_global_offset(devinfo, insn, offset); + brw_inst_set_urb_swizzle_control(devinfo, insn, swizzle_control); - if (brw->gen < 8) { - brw_inst_set_urb_complete(brw, insn, !!(flags & BRW_URB_WRITE_COMPLETE)); + if (devinfo->gen < 8) { + brw_inst_set_urb_complete(devinfo, insn, !!(flags & BRW_URB_WRITE_COMPLETE)); } - if (brw->gen < 7) { - brw_inst_set_urb_allocate(brw, insn, !!(flags & BRW_URB_WRITE_ALLOCATE)); - brw_inst_set_urb_used(brw, insn, !(flags & BRW_URB_WRITE_UNUSED)); + if (devinfo->gen < 7) { + brw_inst_set_urb_allocate(devinfo, insn, !!(flags & BRW_URB_WRITE_ALLOCATE)); + brw_inst_set_urb_used(devinfo, insn, !(flags & BRW_URB_WRITE_UNUSED)); } else { - brw_inst_set_urb_per_slot_offset(brw, insn, + brw_inst_set_urb_per_slot_offset(devinfo, insn, !!(flags & BRW_URB_WRITE_PER_SLOT_OFFSET)); } } void -brw_set_dp_write_message(struct brw_compile *p, +brw_set_dp_write_message(struct brw_codegen *p, brw_inst *insn, unsigned binding_table_index, unsigned msg_control, @@ -682,16 +713,16 @@ brw_set_dp_write_message(struct brw_compile *p, unsigned end_of_thread, unsigned send_commit_msg) { - struct brw_context *brw = p->brw; + const struct gen_device_info *devinfo = p->devinfo; unsigned sfid; - if (brw->gen >= 7) { + if (devinfo->gen >= 7) { /* Use the Render Cache for RT writes; otherwise use the Data Cache */ if (msg_type == GEN6_DATAPORT_WRITE_MESSAGE_RENDER_TARGET_WRITE) sfid = GEN6_SFID_DATAPORT_RENDER_CACHE; else sfid = GEN7_SFID_DATAPORT_DATA_CACHE; - } else if (brw->gen == 6) { + } else if (devinfo->gen == 6) { /* Use the render cache for all write messages. */ sfid = GEN6_SFID_DATAPORT_RENDER_CACHE; } else { @@ -701,17 +732,17 @@ brw_set_dp_write_message(struct brw_compile *p, brw_set_message_descriptor(p, insn, sfid, msg_length, response_length, header_present, end_of_thread); - brw_inst_set_binding_table_index(brw, insn, binding_table_index); - brw_inst_set_dp_write_msg_type(brw, insn, msg_type); - brw_inst_set_dp_write_msg_control(brw, insn, msg_control); - brw_inst_set_rt_last(brw, insn, last_render_target); - if (brw->gen < 7) { - brw_inst_set_dp_write_commit(brw, insn, send_commit_msg); + brw_inst_set_binding_table_index(devinfo, insn, binding_table_index); + brw_inst_set_dp_write_msg_type(devinfo, insn, msg_type); + brw_inst_set_dp_write_msg_control(devinfo, insn, msg_control); + brw_inst_set_rt_last(devinfo, insn, last_render_target); + if (devinfo->gen < 7) { + brw_inst_set_dp_write_commit(devinfo, insn, send_commit_msg); } } void -brw_set_dp_read_message(struct brw_compile *p, +brw_set_dp_read_message(struct brw_codegen *p, brw_inst *insn, unsigned binding_table_index, unsigned msg_control, @@ -721,12 +752,20 @@ brw_set_dp_read_message(struct brw_compile *p, bool header_present, unsigned response_length) { - struct brw_context *brw = p->brw; + const struct gen_device_info *devinfo = p->devinfo; unsigned sfid; - if (brw->gen >= 7) { - sfid = GEN7_SFID_DATAPORT_DATA_CACHE; - } else if (brw->gen == 6) { + if (devinfo->gen >= 7) { + if (target_cache == BRW_DATAPORT_READ_TARGET_RENDER_CACHE) + sfid = GEN6_SFID_DATAPORT_RENDER_CACHE; + else if (target_cache == BRW_DATAPORT_READ_TARGET_DATA_CACHE) + sfid = GEN7_SFID_DATAPORT_DATA_CACHE; + else if (target_cache == BRW_DATAPORT_READ_TARGET_SAMPLER_CACHE) + sfid = GEN6_SFID_DATAPORT_SAMPLER_CACHE; + else + unreachable("Invalid target cache"); + + } else if (devinfo->gen == 6) { if (target_cache == BRW_DATAPORT_READ_TARGET_RENDER_CACHE) sfid = GEN6_SFID_DATAPORT_RENDER_CACHE; else @@ -738,15 +777,15 @@ brw_set_dp_read_message(struct brw_compile *p, brw_set_message_descriptor(p, insn, sfid, msg_length, response_length, header_present, false); - brw_inst_set_binding_table_index(brw, insn, binding_table_index); - brw_inst_set_dp_read_msg_type(brw, insn, msg_type); - brw_inst_set_dp_read_msg_control(brw, insn, msg_control); - if (brw->gen < 6) - brw_inst_set_dp_read_target_cache(brw, insn, target_cache); + brw_inst_set_binding_table_index(devinfo, insn, binding_table_index); + brw_inst_set_dp_read_msg_type(devinfo, insn, msg_type); + brw_inst_set_dp_read_msg_control(devinfo, insn, msg_control); + if (devinfo->gen < 6) + brw_inst_set_dp_read_target_cache(devinfo, insn, target_cache); } void -brw_set_sampler_message(struct brw_compile *p, +brw_set_sampler_message(struct brw_codegen *p, brw_inst *inst, unsigned binding_table_index, unsigned sampler, @@ -757,38 +796,23 @@ brw_set_sampler_message(struct brw_compile *p, unsigned simd_mode, unsigned return_format) { - struct brw_context *brw = p->brw; + const struct gen_device_info *devinfo = p->devinfo; brw_set_message_descriptor(p, inst, BRW_SFID_SAMPLER, msg_length, response_length, header_present, false); - brw_inst_set_binding_table_index(brw, inst, binding_table_index); - brw_inst_set_sampler(brw, inst, sampler); - brw_inst_set_sampler_msg_type(brw, inst, msg_type); - if (brw->gen >= 5) { - brw_inst_set_sampler_simd_mode(brw, inst, simd_mode); - } else if (brw->gen == 4 && !brw->is_g4x) { - brw_inst_set_sampler_return_format(brw, inst, return_format); + brw_inst_set_binding_table_index(devinfo, inst, binding_table_index); + brw_inst_set_sampler(devinfo, inst, sampler); + brw_inst_set_sampler_msg_type(devinfo, inst, msg_type); + if (devinfo->gen >= 5) { + brw_inst_set_sampler_simd_mode(devinfo, inst, simd_mode); + } else if (devinfo->gen == 4 && !devinfo->is_g4x) { + brw_inst_set_sampler_return_format(devinfo, inst, return_format); } } -void brw_set_indirect_send_descriptor(struct brw_compile *p, - brw_inst *insn, - unsigned sfid, - struct brw_reg descriptor) -{ - /* Only a0.0 may be used as SEND's descriptor operand. */ - assert(descriptor.file == BRW_ARCHITECTURE_REGISTER_FILE); - assert(descriptor.type == BRW_REGISTER_TYPE_UD); - assert(descriptor.nr == BRW_ARF_ADDRESS); - assert(descriptor.subnr == 0); - - brw_set_message_descriptor(p, insn, sfid, 0, 0, false, false); - brw_set_src1(p, insn, descriptor); -} - static void -gen7_set_dp_scratch_message(struct brw_compile *p, +gen7_set_dp_scratch_message(struct brw_codegen *p, brw_inst *inst, bool write, bool dword, @@ -799,24 +823,27 @@ gen7_set_dp_scratch_message(struct brw_compile *p, unsigned rlen, bool header_present) { - const struct brw_context *brw = p->brw; + const struct gen_device_info *devinfo = p->devinfo; assert(num_regs == 1 || num_regs == 2 || num_regs == 4 || - (brw->gen >= 8 && num_regs == 8)); + (devinfo->gen >= 8 && num_regs == 8)); + const unsigned block_size = (devinfo->gen >= 8 ? _mesa_logbase2(num_regs) : + num_regs - 1); + brw_set_message_descriptor(p, inst, GEN7_SFID_DATAPORT_DATA_CACHE, mlen, rlen, header_present, false); - brw_inst_set_dp_category(brw, inst, 1); /* Scratch Block Read/Write msgs */ - brw_inst_set_scratch_read_write(brw, inst, write); - brw_inst_set_scratch_type(brw, inst, dword); - brw_inst_set_scratch_invalidate_after_read(brw, inst, invalidate_after_read); - brw_inst_set_scratch_block_size(brw, inst, ffs(num_regs) - 1); - brw_inst_set_scratch_addr_offset(brw, inst, addr_offset); + brw_inst_set_dp_category(devinfo, inst, 1); /* Scratch Block Read/Write msgs */ + brw_inst_set_scratch_read_write(devinfo, inst, write); + brw_inst_set_scratch_type(devinfo, inst, dword); + brw_inst_set_scratch_invalidate_after_read(devinfo, inst, invalidate_after_read); + brw_inst_set_scratch_block_size(devinfo, inst, block_size); + brw_inst_set_scratch_addr_offset(devinfo, inst, addr_offset); } #define next_insn brw_next_insn brw_inst * -brw_next_insn(struct brw_compile *p, unsigned opcode) +brw_next_insn(struct brw_codegen *p, unsigned opcode) { - const struct brw_context *brw = p->brw; + const struct gen_device_info *devinfo = p->devinfo; brw_inst *insn; if (p->nr_insn + 1 > p->store_size) { @@ -828,12 +855,12 @@ brw_next_insn(struct brw_compile *p, unsigned opcode) insn = &p->store[p->nr_insn++]; memcpy(insn, p->current, sizeof(*insn)); - brw_inst_set_opcode(brw, insn, opcode); + brw_inst_set_opcode(devinfo, insn, opcode); return insn; } static brw_inst * -brw_alu1(struct brw_compile *p, unsigned opcode, +brw_alu1(struct brw_codegen *p, unsigned opcode, struct brw_reg dest, struct brw_reg src) { brw_inst *insn = next_insn(p, opcode); @@ -843,9 +870,13 @@ brw_alu1(struct brw_compile *p, unsigned opcode, } static brw_inst * -brw_alu2(struct brw_compile *p, unsigned opcode, +brw_alu2(struct brw_codegen *p, unsigned opcode, struct brw_reg dest, struct brw_reg src0, struct brw_reg src1) { + /* 64-bit immediates are only supported on 1-src instructions */ + assert(src0.file != BRW_IMMEDIATE_VALUE || type_sz(src0.type) <= 4); + assert(src1.file != BRW_IMMEDIATE_VALUE || type_sz(src1.type) <= 4); + brw_inst *insn = next_insn(p, opcode); brw_set_dest(p, insn, dest); brw_set_src0(p, insn, src0); @@ -856,75 +887,74 @@ brw_alu2(struct brw_compile *p, unsigned opcode, static int get_3src_subreg_nr(struct brw_reg reg) { - if (reg.vstride == BRW_VERTICAL_STRIDE_0) { - assert(brw_is_single_value_swizzle(reg.dw1.bits.swizzle)); - return reg.subnr / 4 + BRW_GET_SWZ(reg.dw1.bits.swizzle, 0); - } else { - return reg.subnr / 4; - } + /* Normally, SubRegNum is in bytes (0..31). However, 3-src instructions + * use 32-bit units (components 0..7). Since they only support F/D/UD + * types, this doesn't lose any flexibility, but uses fewer bits. + */ + return reg.subnr / 4; } static brw_inst * -brw_alu3(struct brw_compile *p, unsigned opcode, struct brw_reg dest, +brw_alu3(struct brw_codegen *p, unsigned opcode, struct brw_reg dest, struct brw_reg src0, struct brw_reg src1, struct brw_reg src2) { - struct brw_context *brw = p->brw; + const struct gen_device_info *devinfo = p->devinfo; brw_inst *inst = next_insn(p, opcode); gen7_convert_mrf_to_grf(p, &dest); - assert(brw_inst_access_mode(brw, inst) == BRW_ALIGN_16); + assert(brw_inst_access_mode(devinfo, inst) == BRW_ALIGN_16); assert(dest.file == BRW_GENERAL_REGISTER_FILE || dest.file == BRW_MESSAGE_REGISTER_FILE); assert(dest.nr < 128); assert(dest.address_mode == BRW_ADDRESS_DIRECT); - assert(dest.type == BRW_REGISTER_TYPE_F || - dest.type == BRW_REGISTER_TYPE_D || + assert(dest.type == BRW_REGISTER_TYPE_F || + dest.type == BRW_REGISTER_TYPE_DF || + dest.type == BRW_REGISTER_TYPE_D || dest.type == BRW_REGISTER_TYPE_UD); - if (brw->gen == 6) { - brw_inst_set_3src_dst_reg_file(brw, inst, + if (devinfo->gen == 6) { + brw_inst_set_3src_dst_reg_file(devinfo, inst, dest.file == BRW_MESSAGE_REGISTER_FILE); } - brw_inst_set_3src_dst_reg_nr(brw, inst, dest.nr); - brw_inst_set_3src_dst_subreg_nr(brw, inst, dest.subnr / 16); - brw_inst_set_3src_dst_writemask(brw, inst, dest.dw1.bits.writemask); - guess_execution_size(p, inst, dest); + brw_inst_set_3src_dst_reg_nr(devinfo, inst, dest.nr); + brw_inst_set_3src_dst_subreg_nr(devinfo, inst, dest.subnr / 16); + brw_inst_set_3src_dst_writemask(devinfo, inst, dest.writemask); assert(src0.file == BRW_GENERAL_REGISTER_FILE); assert(src0.address_mode == BRW_ADDRESS_DIRECT); assert(src0.nr < 128); - brw_inst_set_3src_src0_swizzle(brw, inst, src0.dw1.bits.swizzle); - brw_inst_set_3src_src0_subreg_nr(brw, inst, get_3src_subreg_nr(src0)); - brw_inst_set_3src_src0_reg_nr(brw, inst, src0.nr); - brw_inst_set_3src_src0_abs(brw, inst, src0.abs); - brw_inst_set_3src_src0_negate(brw, inst, src0.negate); - brw_inst_set_3src_src0_rep_ctrl(brw, inst, + brw_inst_set_3src_src0_swizzle(devinfo, inst, src0.swizzle); + brw_inst_set_3src_src0_subreg_nr(devinfo, inst, get_3src_subreg_nr(src0)); + brw_inst_set_3src_src0_reg_nr(devinfo, inst, src0.nr); + brw_inst_set_3src_src0_abs(devinfo, inst, src0.abs); + brw_inst_set_3src_src0_negate(devinfo, inst, src0.negate); + brw_inst_set_3src_src0_rep_ctrl(devinfo, inst, src0.vstride == BRW_VERTICAL_STRIDE_0); assert(src1.file == BRW_GENERAL_REGISTER_FILE); assert(src1.address_mode == BRW_ADDRESS_DIRECT); assert(src1.nr < 128); - brw_inst_set_3src_src1_swizzle(brw, inst, src1.dw1.bits.swizzle); - brw_inst_set_3src_src1_subreg_nr(brw, inst, get_3src_subreg_nr(src1)); - brw_inst_set_3src_src1_reg_nr(brw, inst, src1.nr); - brw_inst_set_3src_src1_abs(brw, inst, src1.abs); - brw_inst_set_3src_src1_negate(brw, inst, src1.negate); - brw_inst_set_3src_src1_rep_ctrl(brw, inst, + brw_inst_set_3src_src1_swizzle(devinfo, inst, src1.swizzle); + brw_inst_set_3src_src1_subreg_nr(devinfo, inst, get_3src_subreg_nr(src1)); + brw_inst_set_3src_src1_reg_nr(devinfo, inst, src1.nr); + brw_inst_set_3src_src1_abs(devinfo, inst, src1.abs); + brw_inst_set_3src_src1_negate(devinfo, inst, src1.negate); + brw_inst_set_3src_src1_rep_ctrl(devinfo, inst, src1.vstride == BRW_VERTICAL_STRIDE_0); assert(src2.file == BRW_GENERAL_REGISTER_FILE); assert(src2.address_mode == BRW_ADDRESS_DIRECT); assert(src2.nr < 128); - brw_inst_set_3src_src2_swizzle(brw, inst, src2.dw1.bits.swizzle); - brw_inst_set_3src_src2_subreg_nr(brw, inst, get_3src_subreg_nr(src2)); - brw_inst_set_3src_src2_reg_nr(brw, inst, src2.nr); - brw_inst_set_3src_src2_abs(brw, inst, src2.abs); - brw_inst_set_3src_src2_negate(brw, inst, src2.negate); - brw_inst_set_3src_src2_rep_ctrl(brw, inst, + brw_inst_set_3src_src2_swizzle(devinfo, inst, src2.swizzle); + brw_inst_set_3src_src2_subreg_nr(devinfo, inst, get_3src_subreg_nr(src2)); + brw_inst_set_3src_src2_reg_nr(devinfo, inst, src2.nr); + brw_inst_set_3src_src2_abs(devinfo, inst, src2.abs); + brw_inst_set_3src_src2_negate(devinfo, inst, src2.negate); + brw_inst_set_3src_src2_rep_ctrl(devinfo, inst, src2.vstride == BRW_VERTICAL_STRIDE_0); - if (brw->gen >= 7) { + if (devinfo->gen >= 7) { /* Set both the source and destination types based on dest.type, * ignoring the source register types. The MAD and LRP emitters ensure * that all four types are float. The BFE and BFI2 emitters, however, @@ -933,17 +963,23 @@ brw_alu3(struct brw_compile *p, unsigned opcode, struct brw_reg dest, */ switch (dest.type) { case BRW_REGISTER_TYPE_F: - brw_inst_set_3src_src_type(brw, inst, BRW_3SRC_TYPE_F); - brw_inst_set_3src_dst_type(brw, inst, BRW_3SRC_TYPE_F); + brw_inst_set_3src_src_type(devinfo, inst, BRW_3SRC_TYPE_F); + brw_inst_set_3src_dst_type(devinfo, inst, BRW_3SRC_TYPE_F); + break; + case BRW_REGISTER_TYPE_DF: + brw_inst_set_3src_src_type(devinfo, inst, BRW_3SRC_TYPE_DF); + brw_inst_set_3src_dst_type(devinfo, inst, BRW_3SRC_TYPE_DF); break; case BRW_REGISTER_TYPE_D: - brw_inst_set_3src_src_type(brw, inst, BRW_3SRC_TYPE_D); - brw_inst_set_3src_dst_type(brw, inst, BRW_3SRC_TYPE_D); + brw_inst_set_3src_src_type(devinfo, inst, BRW_3SRC_TYPE_D); + brw_inst_set_3src_dst_type(devinfo, inst, BRW_3SRC_TYPE_D); break; case BRW_REGISTER_TYPE_UD: - brw_inst_set_3src_src_type(brw, inst, BRW_3SRC_TYPE_UD); - brw_inst_set_3src_dst_type(brw, inst, BRW_3SRC_TYPE_UD); + brw_inst_set_3src_src_type(devinfo, inst, BRW_3SRC_TYPE_UD); + brw_inst_set_3src_dst_type(devinfo, inst, BRW_3SRC_TYPE_UD); break; + default: + unreachable("not reached"); } } @@ -955,7 +991,7 @@ brw_alu3(struct brw_compile *p, unsigned opcode, struct brw_reg dest, * Convenience routines. */ #define ALU1(OP) \ -brw_inst *brw_##OP(struct brw_compile *p, \ +brw_inst *brw_##OP(struct brw_codegen *p, \ struct brw_reg dest, \ struct brw_reg src0) \ { \ @@ -963,7 +999,7 @@ brw_inst *brw_##OP(struct brw_compile *p, \ } #define ALU2(OP) \ -brw_inst *brw_##OP(struct brw_compile *p, \ +brw_inst *brw_##OP(struct brw_codegen *p, \ struct brw_reg dest, \ struct brw_reg src0, \ struct brw_reg src1) \ @@ -972,7 +1008,7 @@ brw_inst *brw_##OP(struct brw_compile *p, \ } #define ALU3(OP) \ -brw_inst *brw_##OP(struct brw_compile *p, \ +brw_inst *brw_##OP(struct brw_codegen *p, \ struct brw_reg dest, \ struct brw_reg src0, \ struct brw_reg src1, \ @@ -982,16 +1018,23 @@ brw_inst *brw_##OP(struct brw_compile *p, \ } #define ALU3F(OP) \ -brw_inst *brw_##OP(struct brw_compile *p, \ +brw_inst *brw_##OP(struct brw_codegen *p, \ struct brw_reg dest, \ struct brw_reg src0, \ struct brw_reg src1, \ struct brw_reg src2) \ { \ - assert(dest.type == BRW_REGISTER_TYPE_F); \ - assert(src0.type == BRW_REGISTER_TYPE_F); \ - assert(src1.type == BRW_REGISTER_TYPE_F); \ - assert(src2.type == BRW_REGISTER_TYPE_F); \ + assert(dest.type == BRW_REGISTER_TYPE_F || \ + dest.type == BRW_REGISTER_TYPE_DF); \ + if (dest.type == BRW_REGISTER_TYPE_F) { \ + assert(src0.type == BRW_REGISTER_TYPE_F); \ + assert(src1.type == BRW_REGISTER_TYPE_F); \ + assert(src2.type == BRW_REGISTER_TYPE_F); \ + } else if (dest.type == BRW_REGISTER_TYPE_DF) { \ + assert(src0.type == BRW_REGISTER_TYPE_DF); \ + assert(src1.type == BRW_REGISTER_TYPE_DF); \ + assert(src2.type == BRW_REGISTER_TYPE_DF); \ + } \ return brw_alu3(p, BRW_OPCODE_##OP, dest, src0, src1, src2); \ } @@ -1003,21 +1046,21 @@ brw_inst *brw_##OP(struct brw_compile *p, \ * Sandybridge and later appear to round correctly without an ADD. */ #define ROUND(OP) \ -void brw_##OP(struct brw_compile *p, \ +void brw_##OP(struct brw_codegen *p, \ struct brw_reg dest, \ struct brw_reg src) \ { \ - struct brw_context *brw = p->brw; \ + const struct gen_device_info *devinfo = p->devinfo; \ brw_inst *rnd, *add; \ rnd = next_insn(p, BRW_OPCODE_##OP); \ brw_set_dest(p, rnd, dest); \ brw_set_src0(p, rnd, src); \ \ - if (brw->gen < 6) { \ + if (devinfo->gen < 6) { \ /* turn on round-increments */ \ - brw_inst_set_cond_modifier(brw, rnd, BRW_CONDITIONAL_R); \ + brw_inst_set_cond_modifier(devinfo, rnd, BRW_CONDITIONAL_R); \ add = brw_ADD(p, dest, dest, brw_imm_f(1.0f)); \ - brw_inst_set_pred_control(brw, add, BRW_PREDICATE_NORMAL); \ + brw_inst_set_pred_control(devinfo, add, BRW_PREDICATE_NORMAL); \ } \ } @@ -1030,6 +1073,7 @@ ALU2(OR) ALU2(XOR) ALU2(SHR) ALU2(SHL) +ALU1(DIM) ALU2(ASR) ALU1(FRC) ALU1(RNDD) @@ -1040,8 +1084,6 @@ ALU2(DP4) ALU2(DPH) ALU2(DP3) ALU2(DP2) -ALU2(LINE) -ALU2(PLN) ALU3F(MAD) ALU3F(LRP) ALU1(BFREV) @@ -1059,7 +1101,7 @@ ROUND(RNDE) brw_inst * -brw_ADD(struct brw_compile *p, struct brw_reg dest, +brw_ADD(struct brw_codegen *p, struct brw_reg dest, struct brw_reg src0, struct brw_reg src1) { /* 6.2.2: add */ @@ -1081,7 +1123,7 @@ brw_ADD(struct brw_compile *p, struct brw_reg dest, } brw_inst * -brw_AVG(struct brw_compile *p, struct brw_reg dest, +brw_AVG(struct brw_codegen *p, struct brw_reg dest, struct brw_reg src0, struct brw_reg src1) { assert(dest.type == src0.type); @@ -1102,7 +1144,7 @@ brw_AVG(struct brw_compile *p, struct brw_reg dest, } brw_inst * -brw_MUL(struct brw_compile *p, struct brw_reg dest, +brw_MUL(struct brw_codegen *p, struct brw_reg dest, struct brw_reg src0, struct brw_reg src1) { /* 6.32.38: mul */ @@ -1136,61 +1178,113 @@ brw_MUL(struct brw_compile *p, struct brw_reg dest, } brw_inst * -brw_F32TO16(struct brw_compile *p, struct brw_reg dst, struct brw_reg src) +brw_LINE(struct brw_codegen *p, struct brw_reg dest, + struct brw_reg src0, struct brw_reg src1) { - const struct brw_context *brw = p->brw; - bool align16 = brw_inst_access_mode(brw, p->current) == BRW_ALIGN_16; + src0.vstride = BRW_VERTICAL_STRIDE_0; + src0.width = BRW_WIDTH_1; + src0.hstride = BRW_HORIZONTAL_STRIDE_0; + return brw_alu2(p, BRW_OPCODE_LINE, dest, src0, src1); +} + +brw_inst * +brw_PLN(struct brw_codegen *p, struct brw_reg dest, + struct brw_reg src0, struct brw_reg src1) +{ + src0.vstride = BRW_VERTICAL_STRIDE_0; + src0.width = BRW_WIDTH_1; + src0.hstride = BRW_HORIZONTAL_STRIDE_0; + src1.vstride = BRW_VERTICAL_STRIDE_8; + src1.width = BRW_WIDTH_8; + src1.hstride = BRW_HORIZONTAL_STRIDE_1; + return brw_alu2(p, BRW_OPCODE_PLN, dest, src0, src1); +} + +brw_inst * +brw_F32TO16(struct brw_codegen *p, struct brw_reg dst, struct brw_reg src) +{ + const struct gen_device_info *devinfo = p->devinfo; + const bool align16 = brw_inst_access_mode(devinfo, p->current) == BRW_ALIGN_16; + /* The F32TO16 instruction doesn't support 32-bit destination types in + * Align1 mode, and neither does the Gen8 implementation in terms of a + * converting MOV. Gen7 does zero out the high 16 bits in Align16 mode as + * an undocumented feature. + */ + const bool needs_zero_fill = (dst.type == BRW_REGISTER_TYPE_UD && + (!align16 || devinfo->gen >= 8)); + brw_inst *inst; if (align16) { assert(dst.type == BRW_REGISTER_TYPE_UD); } else { - assert(dst.type == BRW_REGISTER_TYPE_W || + assert(dst.type == BRW_REGISTER_TYPE_UD || + dst.type == BRW_REGISTER_TYPE_W || dst.type == BRW_REGISTER_TYPE_UW || dst.type == BRW_REGISTER_TYPE_HF); } - if (brw->gen >= 8) { - if (align16) { - /* Emulate the Gen7 zeroing bug (see comments in vec4_visitor's - * emit_pack_half_2x16 method.) - */ - brw_MOV(p, retype(dst, BRW_REGISTER_TYPE_UD), brw_imm_ud(0u)); - } - return brw_MOV(p, retype(dst, BRW_REGISTER_TYPE_HF), src); + brw_push_insn_state(p); + + if (needs_zero_fill) { + brw_set_default_access_mode(p, BRW_ALIGN_1); + dst = spread(retype(dst, BRW_REGISTER_TYPE_W), 2); + } + + if (devinfo->gen >= 8) { + inst = brw_MOV(p, retype(dst, BRW_REGISTER_TYPE_HF), src); } else { - assert(brw->gen == 7); - return brw_alu1(p, BRW_OPCODE_F32TO16, dst, src); + assert(devinfo->gen == 7); + inst = brw_alu1(p, BRW_OPCODE_F32TO16, dst, src); } + + if (needs_zero_fill) { + brw_inst_set_no_dd_clear(devinfo, inst, true); + inst = brw_MOV(p, suboffset(dst, 1), brw_imm_ud(0u)); + brw_inst_set_no_dd_check(devinfo, inst, true); + } + + brw_pop_insn_state(p); + return inst; } brw_inst * -brw_F16TO32(struct brw_compile *p, struct brw_reg dst, struct brw_reg src) +brw_F16TO32(struct brw_codegen *p, struct brw_reg dst, struct brw_reg src) { - const struct brw_context *brw = p->brw; - bool align16 = brw_inst_access_mode(brw, p->current) == BRW_ALIGN_16; + const struct gen_device_info *devinfo = p->devinfo; + bool align16 = brw_inst_access_mode(devinfo, p->current) == BRW_ALIGN_16; if (align16) { assert(src.type == BRW_REGISTER_TYPE_UD); } else { + /* From the Ivybridge PRM, Vol4, Part3, Section 6.26 f16to32: + * + * Because this instruction does not have a 16-bit floating-point + * type, the source data type must be Word (W). The destination type + * must be F (Float). + */ + if (src.type == BRW_REGISTER_TYPE_UD) + src = spread(retype(src, BRW_REGISTER_TYPE_W), 2); + assert(src.type == BRW_REGISTER_TYPE_W || src.type == BRW_REGISTER_TYPE_UW || src.type == BRW_REGISTER_TYPE_HF); } - if (brw->gen >= 8) { + if (devinfo->gen >= 8) { return brw_MOV(p, dst, retype(src, BRW_REGISTER_TYPE_HF)); } else { - assert(brw->gen == 7); + assert(devinfo->gen == 7); return brw_alu1(p, BRW_OPCODE_F16TO32, dst, src); } } -void brw_NOP(struct brw_compile *p) +void brw_NOP(struct brw_codegen *p) { brw_inst *insn = next_insn(p, BRW_OPCODE_NOP); - brw_set_dest(p, insn, retype(brw_vec4_grf(0,0), BRW_REGISTER_TYPE_UD)); - brw_set_src0(p, insn, retype(brw_vec4_grf(0,0), BRW_REGISTER_TYPE_UD)); + brw_inst_set_exec_size(p->devinfo, insn, BRW_EXECUTE_1); + brw_set_dest(p, insn, retype(brw_vec1_grf(0,0), BRW_REGISTER_TYPE_UD)); + brw_set_src0(p, insn, retype(brw_vec1_grf(0,0), BRW_REGISTER_TYPE_UD)); brw_set_src1(p, insn, brw_imm_ud(0x0)); } @@ -1203,23 +1297,23 @@ void brw_NOP(struct brw_compile *p) */ brw_inst * -brw_JMPI(struct brw_compile *p, struct brw_reg index, +brw_JMPI(struct brw_codegen *p, struct brw_reg index, unsigned predicate_control) { - const struct brw_context *brw = p->brw; + const struct gen_device_info *devinfo = p->devinfo; struct brw_reg ip = brw_ip_reg(); brw_inst *inst = brw_alu2(p, BRW_OPCODE_JMPI, ip, ip, index); - brw_inst_set_exec_size(brw, inst, BRW_EXECUTE_2); - brw_inst_set_qtr_control(brw, inst, BRW_COMPRESSION_NONE); - brw_inst_set_mask_control(brw, inst, BRW_MASK_DISABLE); - brw_inst_set_pred_control(brw, inst, predicate_control); + brw_inst_set_exec_size(devinfo, inst, BRW_EXECUTE_2); + brw_inst_set_qtr_control(devinfo, inst, BRW_COMPRESSION_NONE); + brw_inst_set_mask_control(devinfo, inst, BRW_MASK_DISABLE); + brw_inst_set_pred_control(devinfo, inst, predicate_control); return inst; } static void -push_if_stack(struct brw_compile *p, brw_inst *inst) +push_if_stack(struct brw_codegen *p, brw_inst *inst) { p->if_stack[p->if_stack_depth] = inst - p->store; @@ -1232,16 +1326,16 @@ push_if_stack(struct brw_compile *p, brw_inst *inst) } static brw_inst * -pop_if_stack(struct brw_compile *p) +pop_if_stack(struct brw_codegen *p) { p->if_stack_depth--; return &p->store[p->if_stack[p->if_stack_depth]]; } static void -push_loop_stack(struct brw_compile *p, brw_inst *inst) +push_loop_stack(struct brw_codegen *p, brw_inst *inst) { - if (p->loop_stack_array_size < p->loop_stack_depth) { + if (p->loop_stack_array_size <= (p->loop_stack_depth + 1)) { p->loop_stack_array_size *= 2; p->loop_stack = reralloc(p->mem_ctx, p->loop_stack, int, p->loop_stack_array_size); @@ -1255,7 +1349,7 @@ push_loop_stack(struct brw_compile *p, brw_inst *inst) } static brw_inst * -get_inner_do_insn(struct brw_compile *p) +get_inner_do_insn(struct brw_codegen *p) { return &p->store[p->loop_stack[p->loop_stack_depth - 1]]; } @@ -1268,49 +1362,49 @@ get_inner_do_insn(struct brw_compile *p) * * When the matching 'else' instruction is reached (presumably by * countdown of the instruction count patched in by our ELSE/ENDIF - * functions), the relevent flags are inverted. + * functions), the relevant flags are inverted. * * When the matching 'endif' instruction is reached, the flags are * popped off. If the stack is now empty, normal execution resumes. */ brw_inst * -brw_IF(struct brw_compile *p, unsigned execute_size) +brw_IF(struct brw_codegen *p, unsigned execute_size) { - struct brw_context *brw = p->brw; + const struct gen_device_info *devinfo = p->devinfo; brw_inst *insn; insn = next_insn(p, BRW_OPCODE_IF); /* Override the defaults for this instruction: */ - if (brw->gen < 6) { + if (devinfo->gen < 6) { brw_set_dest(p, insn, brw_ip_reg()); brw_set_src0(p, insn, brw_ip_reg()); brw_set_src1(p, insn, brw_imm_d(0x0)); - } else if (brw->gen == 6) { + } else if (devinfo->gen == 6) { brw_set_dest(p, insn, brw_imm_w(0)); - brw_inst_set_gen6_jump_count(brw, insn, 0); + brw_inst_set_gen6_jump_count(devinfo, insn, 0); brw_set_src0(p, insn, vec1(retype(brw_null_reg(), BRW_REGISTER_TYPE_D))); brw_set_src1(p, insn, vec1(retype(brw_null_reg(), BRW_REGISTER_TYPE_D))); - } else if (brw->gen == 7) { + } else if (devinfo->gen == 7) { brw_set_dest(p, insn, vec1(retype(brw_null_reg(), BRW_REGISTER_TYPE_D))); brw_set_src0(p, insn, vec1(retype(brw_null_reg(), BRW_REGISTER_TYPE_D))); - brw_set_src1(p, insn, brw_imm_ud(0)); - brw_inst_set_jip(brw, insn, 0); - brw_inst_set_uip(brw, insn, 0); + brw_set_src1(p, insn, brw_imm_w(0)); + brw_inst_set_jip(devinfo, insn, 0); + brw_inst_set_uip(devinfo, insn, 0); } else { brw_set_dest(p, insn, vec1(retype(brw_null_reg(), BRW_REGISTER_TYPE_D))); brw_set_src0(p, insn, brw_imm_d(0)); - brw_inst_set_jip(brw, insn, 0); - brw_inst_set_uip(brw, insn, 0); + brw_inst_set_jip(devinfo, insn, 0); + brw_inst_set_uip(devinfo, insn, 0); } - brw_inst_set_exec_size(brw, insn, execute_size); - brw_inst_set_qtr_control(brw, insn, BRW_COMPRESSION_NONE); - brw_inst_set_pred_control(brw, insn, BRW_PREDICATE_NORMAL); - brw_inst_set_mask_control(brw, insn, BRW_MASK_ENABLE); - if (!p->single_program_flow && brw->gen < 6) - brw_inst_set_thread_control(brw, insn, BRW_THREAD_SWITCH); + brw_inst_set_exec_size(devinfo, insn, execute_size); + brw_inst_set_qtr_control(devinfo, insn, BRW_COMPRESSION_NONE); + brw_inst_set_pred_control(devinfo, insn, BRW_PREDICATE_NORMAL); + brw_inst_set_mask_control(devinfo, insn, BRW_MASK_ENABLE); + if (!p->single_program_flow && devinfo->gen < 6) + brw_inst_set_thread_control(devinfo, insn, BRW_THREAD_SWITCH); push_if_stack(p, insn); p->if_depth_in_loop[p->loop_stack_depth]++; @@ -1321,24 +1415,24 @@ brw_IF(struct brw_compile *p, unsigned execute_size) * embedded comparison (conditional modifier). It is not used on gen7. */ brw_inst * -gen6_IF(struct brw_compile *p, enum brw_conditional_mod conditional, +gen6_IF(struct brw_codegen *p, enum brw_conditional_mod conditional, struct brw_reg src0, struct brw_reg src1) { - const struct brw_context *brw = p->brw; + const struct gen_device_info *devinfo = p->devinfo; brw_inst *insn; insn = next_insn(p, BRW_OPCODE_IF); brw_set_dest(p, insn, brw_imm_w(0)); - brw_inst_set_exec_size(brw, insn, p->compressed ? BRW_EXECUTE_16 - : BRW_EXECUTE_8); - brw_inst_set_gen6_jump_count(brw, insn, 0); + brw_inst_set_exec_size(devinfo, insn, + brw_inst_exec_size(devinfo, p->current)); + brw_inst_set_gen6_jump_count(devinfo, insn, 0); brw_set_src0(p, insn, src0); brw_set_src1(p, insn, src1); - assert(brw_inst_qtr_control(brw, insn) == BRW_COMPRESSION_NONE); - assert(brw_inst_pred_control(brw, insn) == BRW_PREDICATE_NONE); - brw_inst_set_cond_modifier(brw, insn, conditional); + assert(brw_inst_qtr_control(devinfo, insn) == BRW_COMPRESSION_NONE); + assert(brw_inst_pred_control(devinfo, insn) == BRW_PREDICATE_NONE); + brw_inst_set_cond_modifier(devinfo, insn, conditional); push_if_stack(p, insn); return insn; @@ -1348,18 +1442,18 @@ gen6_IF(struct brw_compile *p, enum brw_conditional_mod conditional, * In single-program-flow (SPF) mode, convert IF and ELSE into ADDs. */ static void -convert_IF_ELSE_to_ADD(struct brw_compile *p, +convert_IF_ELSE_to_ADD(struct brw_codegen *p, brw_inst *if_inst, brw_inst *else_inst) { - const struct brw_context *brw = p->brw; + const struct gen_device_info *devinfo = p->devinfo; /* The next instruction (where the ENDIF would be, if it existed) */ brw_inst *next_inst = &p->store[p->nr_insn]; assert(p->single_program_flow); - assert(if_inst != NULL && brw_inst_opcode(brw, if_inst) == BRW_OPCODE_IF); - assert(else_inst == NULL || brw_inst_opcode(brw, else_inst) == BRW_OPCODE_ELSE); - assert(brw_inst_exec_size(brw, if_inst) == BRW_EXECUTE_1); + assert(if_inst != NULL && brw_inst_opcode(devinfo, if_inst) == BRW_OPCODE_IF); + assert(else_inst == NULL || brw_inst_opcode(devinfo, else_inst) == BRW_OPCODE_ELSE); + assert(brw_inst_exec_size(devinfo, if_inst) == BRW_EXECUTE_1); /* Convert IF to an ADD instruction that moves the instruction pointer * to the first instruction of the ELSE block. If there is no ELSE @@ -1369,19 +1463,19 @@ convert_IF_ELSE_to_ADD(struct brw_compile *p, * stack operations, and if we're currently executing, we just want to * continue normally. */ - brw_inst_set_opcode(brw, if_inst, BRW_OPCODE_ADD); - brw_inst_set_pred_inv(brw, if_inst, true); + brw_inst_set_opcode(devinfo, if_inst, BRW_OPCODE_ADD); + brw_inst_set_pred_inv(devinfo, if_inst, true); if (else_inst != NULL) { /* Convert ELSE to an ADD instruction that points where the ENDIF * would be. */ - brw_inst_set_opcode(brw, else_inst, BRW_OPCODE_ADD); + brw_inst_set_opcode(devinfo, else_inst, BRW_OPCODE_ADD); - brw_inst_set_imm_ud(brw, if_inst, (else_inst - if_inst + 1) * 16); - brw_inst_set_imm_ud(brw, else_inst, (next_inst - else_inst) * 16); + brw_inst_set_imm_ud(devinfo, if_inst, (else_inst - if_inst + 1) * 16); + brw_inst_set_imm_ud(devinfo, else_inst, (next_inst - else_inst) * 16); } else { - brw_inst_set_imm_ud(brw, if_inst, (next_inst - if_inst) * 16); + brw_inst_set_imm_ud(devinfo, if_inst, (next_inst - if_inst) * 16); } } @@ -1389,10 +1483,10 @@ convert_IF_ELSE_to_ADD(struct brw_compile *p, * Patch IF and ELSE instructions with appropriate jump targets. */ static void -patch_IF_ELSE(struct brw_compile *p, +patch_IF_ELSE(struct brw_codegen *p, brw_inst *if_inst, brw_inst *else_inst, brw_inst *endif_inst) { - struct brw_context *brw = p->brw; + const struct gen_device_info *devinfo = p->devinfo; /* We shouldn't be patching IF and ELSE instructions in single program flow * mode when gen < 6, because in single program flow mode on those @@ -1406,118 +1500,118 @@ patch_IF_ELSE(struct brw_compile *p, * instructions to conditional ADDs. So we do patch IF and ELSE * instructions in single program flow mode on those platforms. */ - if (brw->gen < 6) + if (devinfo->gen < 6) assert(!p->single_program_flow); - assert(if_inst != NULL && brw_inst_opcode(brw, if_inst) == BRW_OPCODE_IF); + assert(if_inst != NULL && brw_inst_opcode(devinfo, if_inst) == BRW_OPCODE_IF); assert(endif_inst != NULL); - assert(else_inst == NULL || brw_inst_opcode(brw, else_inst) == BRW_OPCODE_ELSE); + assert(else_inst == NULL || brw_inst_opcode(devinfo, else_inst) == BRW_OPCODE_ELSE); - unsigned br = brw_jump_scale(brw); + unsigned br = brw_jump_scale(devinfo); - assert(brw_inst_opcode(brw, endif_inst) == BRW_OPCODE_ENDIF); - brw_inst_set_exec_size(brw, endif_inst, brw_inst_exec_size(brw, if_inst)); + assert(brw_inst_opcode(devinfo, endif_inst) == BRW_OPCODE_ENDIF); + brw_inst_set_exec_size(devinfo, endif_inst, brw_inst_exec_size(devinfo, if_inst)); if (else_inst == NULL) { /* Patch IF -> ENDIF */ - if (brw->gen < 6) { + if (devinfo->gen < 6) { /* Turn it into an IFF, which means no mask stack operations for * all-false and jumping past the ENDIF. */ - brw_inst_set_opcode(brw, if_inst, BRW_OPCODE_IFF); - brw_inst_set_gen4_jump_count(brw, if_inst, + brw_inst_set_opcode(devinfo, if_inst, BRW_OPCODE_IFF); + brw_inst_set_gen4_jump_count(devinfo, if_inst, br * (endif_inst - if_inst + 1)); - brw_inst_set_gen4_pop_count(brw, if_inst, 0); - } else if (brw->gen == 6) { + brw_inst_set_gen4_pop_count(devinfo, if_inst, 0); + } else if (devinfo->gen == 6) { /* As of gen6, there is no IFF and IF must point to the ENDIF. */ - brw_inst_set_gen6_jump_count(brw, if_inst, br*(endif_inst - if_inst)); + brw_inst_set_gen6_jump_count(devinfo, if_inst, br*(endif_inst - if_inst)); } else { - brw_inst_set_uip(brw, if_inst, br * (endif_inst - if_inst)); - brw_inst_set_jip(brw, if_inst, br * (endif_inst - if_inst)); + brw_inst_set_uip(devinfo, if_inst, br * (endif_inst - if_inst)); + brw_inst_set_jip(devinfo, if_inst, br * (endif_inst - if_inst)); } } else { - brw_inst_set_exec_size(brw, else_inst, brw_inst_exec_size(brw, if_inst)); + brw_inst_set_exec_size(devinfo, else_inst, brw_inst_exec_size(devinfo, if_inst)); /* Patch IF -> ELSE */ - if (brw->gen < 6) { - brw_inst_set_gen4_jump_count(brw, if_inst, + if (devinfo->gen < 6) { + brw_inst_set_gen4_jump_count(devinfo, if_inst, br * (else_inst - if_inst)); - brw_inst_set_gen4_pop_count(brw, if_inst, 0); - } else if (brw->gen == 6) { - brw_inst_set_gen6_jump_count(brw, if_inst, + brw_inst_set_gen4_pop_count(devinfo, if_inst, 0); + } else if (devinfo->gen == 6) { + brw_inst_set_gen6_jump_count(devinfo, if_inst, br * (else_inst - if_inst + 1)); } /* Patch ELSE -> ENDIF */ - if (brw->gen < 6) { + if (devinfo->gen < 6) { /* BRW_OPCODE_ELSE pre-gen6 should point just past the * matching ENDIF. */ - brw_inst_set_gen4_jump_count(brw, else_inst, + brw_inst_set_gen4_jump_count(devinfo, else_inst, br * (endif_inst - else_inst + 1)); - brw_inst_set_gen4_pop_count(brw, else_inst, 1); - } else if (brw->gen == 6) { + brw_inst_set_gen4_pop_count(devinfo, else_inst, 1); + } else if (devinfo->gen == 6) { /* BRW_OPCODE_ELSE on gen6 should point to the matching ENDIF. */ - brw_inst_set_gen6_jump_count(brw, else_inst, + brw_inst_set_gen6_jump_count(devinfo, else_inst, br * (endif_inst - else_inst)); } else { /* The IF instruction's JIP should point just past the ELSE */ - brw_inst_set_jip(brw, if_inst, br * (else_inst - if_inst + 1)); + brw_inst_set_jip(devinfo, if_inst, br * (else_inst - if_inst + 1)); /* The IF instruction's UIP and ELSE's JIP should point to ENDIF */ - brw_inst_set_uip(brw, if_inst, br * (endif_inst - if_inst)); - brw_inst_set_jip(brw, else_inst, br * (endif_inst - else_inst)); - if (brw->gen >= 8) { + brw_inst_set_uip(devinfo, if_inst, br * (endif_inst - if_inst)); + brw_inst_set_jip(devinfo, else_inst, br * (endif_inst - else_inst)); + if (devinfo->gen >= 8) { /* Since we don't set branch_ctrl, the ELSE's JIP and UIP both * should point to ENDIF. */ - brw_inst_set_uip(brw, else_inst, br * (endif_inst - else_inst)); + brw_inst_set_uip(devinfo, else_inst, br * (endif_inst - else_inst)); } } } } void -brw_ELSE(struct brw_compile *p) +brw_ELSE(struct brw_codegen *p) { - struct brw_context *brw = p->brw; + const struct gen_device_info *devinfo = p->devinfo; brw_inst *insn; insn = next_insn(p, BRW_OPCODE_ELSE); - if (brw->gen < 6) { + if (devinfo->gen < 6) { brw_set_dest(p, insn, brw_ip_reg()); brw_set_src0(p, insn, brw_ip_reg()); brw_set_src1(p, insn, brw_imm_d(0x0)); - } else if (brw->gen == 6) { + } else if (devinfo->gen == 6) { brw_set_dest(p, insn, brw_imm_w(0)); - brw_inst_set_gen6_jump_count(brw, insn, 0); + brw_inst_set_gen6_jump_count(devinfo, insn, 0); brw_set_src0(p, insn, retype(brw_null_reg(), BRW_REGISTER_TYPE_D)); brw_set_src1(p, insn, retype(brw_null_reg(), BRW_REGISTER_TYPE_D)); - } else if (brw->gen == 7) { + } else if (devinfo->gen == 7) { brw_set_dest(p, insn, retype(brw_null_reg(), BRW_REGISTER_TYPE_D)); brw_set_src0(p, insn, retype(brw_null_reg(), BRW_REGISTER_TYPE_D)); - brw_set_src1(p, insn, brw_imm_ud(0)); - brw_inst_set_jip(brw, insn, 0); - brw_inst_set_uip(brw, insn, 0); + brw_set_src1(p, insn, brw_imm_w(0)); + brw_inst_set_jip(devinfo, insn, 0); + brw_inst_set_uip(devinfo, insn, 0); } else { brw_set_dest(p, insn, retype(brw_null_reg(), BRW_REGISTER_TYPE_D)); brw_set_src0(p, insn, brw_imm_d(0)); - brw_inst_set_jip(brw, insn, 0); - brw_inst_set_uip(brw, insn, 0); + brw_inst_set_jip(devinfo, insn, 0); + brw_inst_set_uip(devinfo, insn, 0); } - brw_inst_set_qtr_control(brw, insn, BRW_COMPRESSION_NONE); - brw_inst_set_mask_control(brw, insn, BRW_MASK_ENABLE); - if (!p->single_program_flow && brw->gen < 6) - brw_inst_set_thread_control(brw, insn, BRW_THREAD_SWITCH); + brw_inst_set_qtr_control(devinfo, insn, BRW_COMPRESSION_NONE); + brw_inst_set_mask_control(devinfo, insn, BRW_MASK_ENABLE); + if (!p->single_program_flow && devinfo->gen < 6) + brw_inst_set_thread_control(devinfo, insn, BRW_THREAD_SWITCH); push_if_stack(p, insn); } void -brw_ENDIF(struct brw_compile *p) +brw_ENDIF(struct brw_codegen *p) { - struct brw_context *brw = p->brw; + const struct gen_device_info *devinfo = p->devinfo; brw_inst *insn = NULL; brw_inst *else_inst = NULL; brw_inst *if_inst = NULL; @@ -1536,11 +1630,11 @@ brw_ENDIF(struct brw_compile *p) * instructions to conditional ADDs. So we only do this trick on Gen4 and * Gen5. */ - if (brw->gen < 6 && p->single_program_flow) + if (devinfo->gen < 6 && p->single_program_flow) emit_endif = false; /* - * A single next_insn() may change the base adress of instruction store + * A single next_insn() may change the base address of instruction store * memory(p->store), so call it first before referencing the instruction * store pointer from an index */ @@ -1550,7 +1644,7 @@ brw_ENDIF(struct brw_compile *p) /* Pop the IF and (optional) ELSE instructions from the stack */ p->if_depth_in_loop[p->loop_stack_depth]--; tmp = pop_if_stack(p); - if (brw_inst_opcode(brw, tmp) == BRW_OPCODE_ELSE) { + if (brw_inst_opcode(devinfo, tmp) == BRW_OPCODE_ELSE) { else_inst = tmp; tmp = pop_if_stack(p); } @@ -1562,50 +1656,50 @@ brw_ENDIF(struct brw_compile *p) return; } - if (brw->gen < 6) { - brw_set_dest(p, insn, retype(brw_vec4_grf(0,0), BRW_REGISTER_TYPE_UD)); - brw_set_src0(p, insn, retype(brw_vec4_grf(0,0), BRW_REGISTER_TYPE_UD)); + if (devinfo->gen < 6) { + brw_set_dest(p, insn, retype(brw_null_reg(), BRW_REGISTER_TYPE_D)); + brw_set_src0(p, insn, retype(brw_null_reg(), BRW_REGISTER_TYPE_D)); brw_set_src1(p, insn, brw_imm_d(0x0)); - } else if (brw->gen == 6) { + } else if (devinfo->gen == 6) { brw_set_dest(p, insn, brw_imm_w(0)); brw_set_src0(p, insn, retype(brw_null_reg(), BRW_REGISTER_TYPE_D)); brw_set_src1(p, insn, retype(brw_null_reg(), BRW_REGISTER_TYPE_D)); - } else if (brw->gen == 7) { + } else if (devinfo->gen == 7) { brw_set_dest(p, insn, retype(brw_null_reg(), BRW_REGISTER_TYPE_D)); brw_set_src0(p, insn, retype(brw_null_reg(), BRW_REGISTER_TYPE_D)); - brw_set_src1(p, insn, brw_imm_ud(0)); + brw_set_src1(p, insn, brw_imm_w(0)); } else { brw_set_src0(p, insn, brw_imm_d(0)); } - brw_inst_set_qtr_control(brw, insn, BRW_COMPRESSION_NONE); - brw_inst_set_mask_control(brw, insn, BRW_MASK_ENABLE); - if (brw->gen < 6) - brw_inst_set_thread_control(brw, insn, BRW_THREAD_SWITCH); + brw_inst_set_qtr_control(devinfo, insn, BRW_COMPRESSION_NONE); + brw_inst_set_mask_control(devinfo, insn, BRW_MASK_ENABLE); + if (devinfo->gen < 6) + brw_inst_set_thread_control(devinfo, insn, BRW_THREAD_SWITCH); /* Also pop item off the stack in the endif instruction: */ - if (brw->gen < 6) { - brw_inst_set_gen4_jump_count(brw, insn, 0); - brw_inst_set_gen4_pop_count(brw, insn, 1); - } else if (brw->gen == 6) { - brw_inst_set_gen6_jump_count(brw, insn, 2); + if (devinfo->gen < 6) { + brw_inst_set_gen4_jump_count(devinfo, insn, 0); + brw_inst_set_gen4_pop_count(devinfo, insn, 1); + } else if (devinfo->gen == 6) { + brw_inst_set_gen6_jump_count(devinfo, insn, 2); } else { - brw_inst_set_jip(brw, insn, 2); + brw_inst_set_jip(devinfo, insn, 2); } patch_IF_ELSE(p, if_inst, else_inst, insn); } brw_inst * -brw_BREAK(struct brw_compile *p) +brw_BREAK(struct brw_codegen *p) { - struct brw_context *brw = p->brw; + const struct gen_device_info *devinfo = p->devinfo; brw_inst *insn; insn = next_insn(p, BRW_OPCODE_BREAK); - if (brw->gen >= 8) { + if (devinfo->gen >= 8) { brw_set_dest(p, insn, retype(brw_null_reg(), BRW_REGISTER_TYPE_D)); brw_set_src0(p, insn, brw_imm_d(0x0)); - } else if (brw->gen >= 6) { + } else if (devinfo->gen >= 6) { brw_set_dest(p, insn, retype(brw_null_reg(), BRW_REGISTER_TYPE_D)); brw_set_src0(p, insn, retype(brw_null_reg(), BRW_REGISTER_TYPE_D)); brw_set_src1(p, insn, brw_imm_d(0x0)); @@ -1613,62 +1707,59 @@ brw_BREAK(struct brw_compile *p) brw_set_dest(p, insn, brw_ip_reg()); brw_set_src0(p, insn, brw_ip_reg()); brw_set_src1(p, insn, brw_imm_d(0x0)); - brw_inst_set_gen4_pop_count(brw, insn, + brw_inst_set_gen4_pop_count(devinfo, insn, p->if_depth_in_loop[p->loop_stack_depth]); } - brw_inst_set_qtr_control(brw, insn, BRW_COMPRESSION_NONE); - brw_inst_set_exec_size(brw, insn, p->compressed ? BRW_EXECUTE_16 - : BRW_EXECUTE_8); + brw_inst_set_qtr_control(devinfo, insn, BRW_COMPRESSION_NONE); + brw_inst_set_exec_size(devinfo, insn, + brw_inst_exec_size(devinfo, p->current)); return insn; } brw_inst * -brw_CONT(struct brw_compile *p) +brw_CONT(struct brw_codegen *p) { - const struct brw_context *brw = p->brw; + const struct gen_device_info *devinfo = p->devinfo; brw_inst *insn; insn = next_insn(p, BRW_OPCODE_CONTINUE); brw_set_dest(p, insn, brw_ip_reg()); - if (brw->gen >= 8) { + if (devinfo->gen >= 8) { brw_set_src0(p, insn, brw_imm_d(0x0)); } else { brw_set_src0(p, insn, brw_ip_reg()); brw_set_src1(p, insn, brw_imm_d(0x0)); } - if (brw->gen < 6) { - brw_inst_set_gen4_pop_count(brw, insn, + if (devinfo->gen < 6) { + brw_inst_set_gen4_pop_count(devinfo, insn, p->if_depth_in_loop[p->loop_stack_depth]); } - brw_inst_set_qtr_control(brw, insn, BRW_COMPRESSION_NONE); - brw_inst_set_exec_size(brw, insn, p->compressed ? BRW_EXECUTE_16 - : BRW_EXECUTE_8); + brw_inst_set_qtr_control(devinfo, insn, BRW_COMPRESSION_NONE); + brw_inst_set_exec_size(devinfo, insn, + brw_inst_exec_size(devinfo, p->current)); return insn; } brw_inst * -gen6_HALT(struct brw_compile *p) +gen6_HALT(struct brw_codegen *p) { - const struct brw_context *brw = p->brw; + const struct gen_device_info *devinfo = p->devinfo; brw_inst *insn; insn = next_insn(p, BRW_OPCODE_HALT); brw_set_dest(p, insn, retype(brw_null_reg(), BRW_REGISTER_TYPE_D)); - if (brw->gen >= 8) { + if (devinfo->gen >= 8) { brw_set_src0(p, insn, brw_imm_d(0x0)); } else { brw_set_src0(p, insn, retype(brw_null_reg(), BRW_REGISTER_TYPE_D)); brw_set_src1(p, insn, brw_imm_d(0x0)); /* UIP and JIP, updated later. */ } - if (p->compressed) { - brw_inst_set_exec_size(brw, insn, BRW_EXECUTE_16); - } else { - brw_inst_set_qtr_control(brw, insn, BRW_COMPRESSION_NONE); - brw_inst_set_exec_size(brw, insn, BRW_EXECUTE_8); - } + brw_inst_set_qtr_control(devinfo, insn, BRW_COMPRESSION_NONE); + brw_inst_set_exec_size(devinfo, insn, + brw_inst_exec_size(devinfo, p->current)); return insn; } @@ -1689,11 +1780,11 @@ gen6_HALT(struct brw_compile *p) * just points back to the first instruction of the loop. */ brw_inst * -brw_DO(struct brw_compile *p, unsigned execute_size) +brw_DO(struct brw_codegen *p, unsigned execute_size) { - struct brw_context *brw = p->brw; + const struct gen_device_info *devinfo = p->devinfo; - if (brw->gen >= 6 || p->single_program_flow) { + if (devinfo->gen >= 6 || p->single_program_flow) { push_loop_stack(p, &p->store[p->nr_insn]); return &p->store[p->nr_insn]; } else { @@ -1707,9 +1798,9 @@ brw_DO(struct brw_compile *p, unsigned execute_size) brw_set_src0(p, insn, brw_null_reg()); brw_set_src1(p, insn, brw_null_reg()); - brw_inst_set_qtr_control(brw, insn, BRW_COMPRESSION_NONE); - brw_inst_set_exec_size(brw, insn, execute_size); - brw_inst_set_pred_control(brw, insn, BRW_PREDICATE_NONE); + brw_inst_set_qtr_control(devinfo, insn, BRW_COMPRESSION_NONE); + brw_inst_set_exec_size(devinfo, insn, execute_size); + brw_inst_set_pred_control(devinfo, insn, BRW_PREDICATE_NONE); return insn; } @@ -1723,59 +1814,60 @@ brw_DO(struct brw_compile *p, unsigned execute_size) * nesting, since it can always just point to the end of the block/current loop. */ static void -brw_patch_break_cont(struct brw_compile *p, brw_inst *while_inst) +brw_patch_break_cont(struct brw_codegen *p, brw_inst *while_inst) { - struct brw_context *brw = p->brw; + const struct gen_device_info *devinfo = p->devinfo; brw_inst *do_inst = get_inner_do_insn(p); brw_inst *inst; - unsigned br = brw_jump_scale(brw); + unsigned br = brw_jump_scale(devinfo); - assert(brw->gen < 6); + assert(devinfo->gen < 6); for (inst = while_inst - 1; inst != do_inst; inst--) { /* If the jump count is != 0, that means that this instruction has already * been patched because it's part of a loop inside of the one we're * patching. */ - if (brw_inst_opcode(brw, inst) == BRW_OPCODE_BREAK && - brw_inst_gen4_jump_count(brw, inst) == 0) { - brw_inst_set_gen4_jump_count(brw, inst, br*((while_inst - inst) + 1)); - } else if (brw_inst_opcode(brw, inst) == BRW_OPCODE_CONTINUE && - brw_inst_gen4_jump_count(brw, inst) == 0) { - brw_inst_set_gen4_jump_count(brw, inst, br * (while_inst - inst)); + if (brw_inst_opcode(devinfo, inst) == BRW_OPCODE_BREAK && + brw_inst_gen4_jump_count(devinfo, inst) == 0) { + brw_inst_set_gen4_jump_count(devinfo, inst, br*((while_inst - inst) + 1)); + } else if (brw_inst_opcode(devinfo, inst) == BRW_OPCODE_CONTINUE && + brw_inst_gen4_jump_count(devinfo, inst) == 0) { + brw_inst_set_gen4_jump_count(devinfo, inst, br * (while_inst - inst)); } } } brw_inst * -brw_WHILE(struct brw_compile *p) +brw_WHILE(struct brw_codegen *p) { - struct brw_context *brw = p->brw; + const struct gen_device_info *devinfo = p->devinfo; brw_inst *insn, *do_insn; - unsigned br = brw_jump_scale(brw); + unsigned br = brw_jump_scale(devinfo); - if (brw->gen >= 6) { + if (devinfo->gen >= 6) { insn = next_insn(p, BRW_OPCODE_WHILE); do_insn = get_inner_do_insn(p); - if (brw->gen >= 8) { + if (devinfo->gen >= 8) { brw_set_dest(p, insn, retype(brw_null_reg(), BRW_REGISTER_TYPE_D)); brw_set_src0(p, insn, brw_imm_d(0)); - brw_inst_set_jip(brw, insn, br * (do_insn - insn)); - } else if (brw->gen == 7) { + brw_inst_set_jip(devinfo, insn, br * (do_insn - insn)); + } else if (devinfo->gen == 7) { brw_set_dest(p, insn, retype(brw_null_reg(), BRW_REGISTER_TYPE_D)); brw_set_src0(p, insn, retype(brw_null_reg(), BRW_REGISTER_TYPE_D)); - brw_set_src1(p, insn, brw_imm_ud(0)); - brw_inst_set_jip(brw, insn, br * (do_insn - insn)); + brw_set_src1(p, insn, brw_imm_w(0)); + brw_inst_set_jip(devinfo, insn, br * (do_insn - insn)); } else { brw_set_dest(p, insn, brw_imm_w(0)); - brw_inst_set_gen6_jump_count(brw, insn, br * (do_insn - insn)); + brw_inst_set_gen6_jump_count(devinfo, insn, br * (do_insn - insn)); brw_set_src0(p, insn, retype(brw_null_reg(), BRW_REGISTER_TYPE_D)); brw_set_src1(p, insn, retype(brw_null_reg(), BRW_REGISTER_TYPE_D)); } - brw_inst_set_exec_size(brw, insn, p->compressed ? BRW_EXECUTE_16 - : BRW_EXECUTE_8); + brw_inst_set_exec_size(devinfo, insn, + brw_inst_exec_size(devinfo, p->current)); + } else { if (p->single_program_flow) { insn = next_insn(p, BRW_OPCODE_ADD); @@ -1784,25 +1876,25 @@ brw_WHILE(struct brw_compile *p) brw_set_dest(p, insn, brw_ip_reg()); brw_set_src0(p, insn, brw_ip_reg()); brw_set_src1(p, insn, brw_imm_d((do_insn - insn) * 16)); - brw_inst_set_exec_size(brw, insn, BRW_EXECUTE_1); + brw_inst_set_exec_size(devinfo, insn, BRW_EXECUTE_1); } else { insn = next_insn(p, BRW_OPCODE_WHILE); do_insn = get_inner_do_insn(p); - assert(brw_inst_opcode(brw, do_insn) == BRW_OPCODE_DO); + assert(brw_inst_opcode(devinfo, do_insn) == BRW_OPCODE_DO); brw_set_dest(p, insn, brw_ip_reg()); brw_set_src0(p, insn, brw_ip_reg()); brw_set_src1(p, insn, brw_imm_d(0)); - brw_inst_set_exec_size(brw, insn, brw_inst_exec_size(brw, do_insn)); - brw_inst_set_gen4_jump_count(brw, insn, br * (do_insn - insn + 1)); - brw_inst_set_gen4_pop_count(brw, insn, 0); + brw_inst_set_exec_size(devinfo, insn, brw_inst_exec_size(devinfo, do_insn)); + brw_inst_set_gen4_jump_count(devinfo, insn, br * (do_insn - insn + 1)); + brw_inst_set_gen4_pop_count(devinfo, insn, 0); brw_patch_break_cont(p, insn); } } - brw_inst_set_qtr_control(brw, insn, BRW_COMPRESSION_NONE); + brw_inst_set_qtr_control(devinfo, insn, BRW_COMPRESSION_NONE); p->loop_stack_depth--; @@ -1811,19 +1903,19 @@ brw_WHILE(struct brw_compile *p) /* FORWARD JUMPS: */ -void brw_land_fwd_jump(struct brw_compile *p, int jmp_insn_idx) +void brw_land_fwd_jump(struct brw_codegen *p, int jmp_insn_idx) { - struct brw_context *brw = p->brw; + const struct gen_device_info *devinfo = p->devinfo; brw_inst *jmp_insn = &p->store[jmp_insn_idx]; unsigned jmpi = 1; - if (brw->gen >= 5) + if (devinfo->gen >= 5) jmpi = 2; - assert(brw_inst_opcode(brw, jmp_insn) == BRW_OPCODE_JMPI); - assert(brw_inst_src1_reg_file(brw, jmp_insn) == BRW_IMMEDIATE_VALUE); + assert(brw_inst_opcode(devinfo, jmp_insn) == BRW_OPCODE_JMPI); + assert(brw_inst_src1_reg_file(devinfo, jmp_insn) == BRW_IMMEDIATE_VALUE); - brw_inst_set_gen4_jump_count(brw, jmp_insn, + brw_inst_set_gen4_jump_count(devinfo, jmp_insn, jmpi * (p->nr_insn - jmp_insn_idx - 1)); } @@ -1831,24 +1923,16 @@ void brw_land_fwd_jump(struct brw_compile *p, int jmp_insn_idx) * instruction should populate the flag register. It might be simpler * just to use the flag reg for most WM tasks? */ -void brw_CMP(struct brw_compile *p, +void brw_CMP(struct brw_codegen *p, struct brw_reg dest, unsigned conditional, struct brw_reg src0, struct brw_reg src1) { - struct brw_context *brw = p->brw; + const struct gen_device_info *devinfo = p->devinfo; brw_inst *insn = next_insn(p, BRW_OPCODE_CMP); - if (brw->gen >= 8) { - /* The CMP instruction appears to behave erratically for floating point - * sources unless the destination type is also float. Overriding it to - * match src0 makes it work in all cases. - */ - dest.type = src0.type; - } - - brw_inst_set_cond_modifier(brw, insn, conditional); + brw_inst_set_cond_modifier(devinfo, insn, conditional); brw_set_dest(p, insn, dest); brw_set_src0(p, insn, src0); brw_set_src1(p, insn, src1); @@ -1860,10 +1944,10 @@ void brw_CMP(struct brw_compile *p, * It also applies to other Gen7 platforms (IVB, BYT) even though it isn't * mentioned on their work-arounds pages. */ - if (brw->gen == 7) { + if (devinfo->gen == 7) { if (dest.file == BRW_ARCHITECTURE_REGISTER_FILE && dest.nr == BRW_ARF_NULL) { - brw_inst_set_thread_control(brw, insn, BRW_THREAD_SWITCH); + brw_inst_set_thread_control(devinfo, insn, BRW_THREAD_SWITCH); } } } @@ -1874,31 +1958,29 @@ void brw_CMP(struct brw_compile *p, /** Extended math function, float[8]. */ -void gen4_math(struct brw_compile *p, +void gen4_math(struct brw_codegen *p, struct brw_reg dest, unsigned function, unsigned msg_reg_nr, struct brw_reg src, unsigned precision ) { - struct brw_context *brw = p->brw; + const struct gen_device_info *devinfo = p->devinfo; brw_inst *insn = next_insn(p, BRW_OPCODE_SEND); unsigned data_type; - if (src.vstride == BRW_VERTICAL_STRIDE_0 && - src.width == BRW_WIDTH_1 && - src.hstride == BRW_HORIZONTAL_STRIDE_0) { + if (has_scalar_region(src)) { data_type = BRW_MATH_DATA_SCALAR; } else { data_type = BRW_MATH_DATA_VECTOR; } - assert(brw->gen < 6); + assert(devinfo->gen < 6); /* Example code doesn't set predicate_control for send * instructions. */ - brw_inst_set_pred_control(brw, insn, 0); - brw_inst_set_base_mrf(brw, insn, msg_reg_nr); + brw_inst_set_pred_control(devinfo, insn, 0); + brw_inst_set_base_mrf(devinfo, insn, msg_reg_nr); brw_set_dest(p, insn, dest); brw_set_src0(p, insn, src); @@ -1910,24 +1992,24 @@ void gen4_math(struct brw_compile *p, data_type); } -void gen6_math(struct brw_compile *p, +void gen6_math(struct brw_codegen *p, struct brw_reg dest, unsigned function, struct brw_reg src0, struct brw_reg src1) { - struct brw_context *brw = p->brw; + const struct gen_device_info *devinfo = p->devinfo; brw_inst *insn = next_insn(p, BRW_OPCODE_MATH); - assert(brw->gen >= 6); + assert(devinfo->gen >= 6); assert(dest.file == BRW_GENERAL_REGISTER_FILE || - (brw->gen >= 7 && dest.file == BRW_MESSAGE_REGISTER_FILE)); + (devinfo->gen >= 7 && dest.file == BRW_MESSAGE_REGISTER_FILE)); assert(src0.file == BRW_GENERAL_REGISTER_FILE || - (brw->gen >= 8 && src0.file == BRW_IMMEDIATE_VALUE)); + (devinfo->gen >= 8 && src0.file == BRW_IMMEDIATE_VALUE)); assert(dest.hstride == BRW_HORIZONTAL_STRIDE_1); - if (brw->gen == 6) { + if (devinfo->gen == 6) { assert(src0.hstride == BRW_HORIZONTAL_STRIDE_1); assert(src1.hstride == BRW_HORIZONTAL_STRIDE_1); } @@ -1938,13 +2020,13 @@ void gen6_math(struct brw_compile *p, assert(src0.type != BRW_REGISTER_TYPE_F); assert(src1.type != BRW_REGISTER_TYPE_F); assert(src1.file == BRW_GENERAL_REGISTER_FILE || - (brw->gen >= 8 && src1.file == BRW_IMMEDIATE_VALUE)); + (devinfo->gen >= 8 && src1.file == BRW_IMMEDIATE_VALUE)); } else { assert(src0.type == BRW_REGISTER_TYPE_F); assert(src1.type == BRW_REGISTER_TYPE_F); if (function == BRW_MATH_FUNCTION_POW) { assert(src1.file == BRW_GENERAL_REGISTER_FILE || - (brw->gen >= 8 && src1.file == BRW_IMMEDIATE_VALUE)); + (devinfo->gen >= 8 && src1.file == BRW_IMMEDIATE_VALUE)); } else { assert(src1.file == BRW_ARCHITECTURE_REGISTER_FILE && src1.nr == BRW_ARF_NULL); @@ -1952,20 +2034,33 @@ void gen6_math(struct brw_compile *p, } /* Source modifiers are ignored for extended math instructions on Gen6. */ - if (brw->gen == 6) { + if (devinfo->gen == 6) { assert(!src0.negate); assert(!src0.abs); assert(!src1.negate); assert(!src1.abs); } - brw_inst_set_math_function(brw, insn, function); + brw_inst_set_math_function(devinfo, insn, function); brw_set_dest(p, insn, dest); brw_set_src0(p, insn, src0); brw_set_src1(p, insn, src1); } +/** + * Return the right surface index to access the thread scratch space using + * stateless dataport messages. + */ +unsigned +brw_scratch_surface_idx(const struct brw_codegen *p) +{ + /* The scratch space is thread-local so IA coherency is unnecessary. */ + if (p->devinfo->gen >= 8) + return GEN8_BTI_STATELESS_NON_COHERENT; + else + return BRW_BTI_STATELESS; +} /** * Write a block of OWORDs (half a GRF each) from the scratch buffer, @@ -1974,27 +2069,25 @@ void gen6_math(struct brw_compile *p, * The offset must be aligned to oword size (16 bytes). Used for * register spilling. */ -void brw_oword_block_write_scratch(struct brw_compile *p, +void brw_oword_block_write_scratch(struct brw_codegen *p, struct brw_reg mrf, int num_regs, unsigned offset) { - struct brw_context *brw = p->brw; - uint32_t msg_control, msg_type; - int mlen; + const struct gen_device_info *devinfo = p->devinfo; + uint32_t msg_type; - if (brw->gen >= 6) + if (devinfo->gen >= 6) offset /= 16; mrf = retype(mrf, BRW_REGISTER_TYPE_UD); - if (num_regs == 1) { - msg_control = BRW_DATAPORT_OWORD_BLOCK_2_OWORDS; - mlen = 2; - } else { - msg_control = BRW_DATAPORT_OWORD_BLOCK_4_OWORDS; - mlen = 3; - } + const unsigned mlen = 1 + num_regs; + const unsigned msg_control = + (num_regs == 1 ? BRW_DATAPORT_OWORD_BLOCK_2_OWORDS : + num_regs == 2 ? BRW_DATAPORT_OWORD_BLOCK_4_OWORDS : + num_regs == 4 ? BRW_DATAPORT_OWORD_BLOCK_8_OWORDS : 0); + assert(msg_control); /* Set up the message header. This is g0, with g0.2 filled with * the offset. We don't want to leave our offset around in g0 or @@ -2003,6 +2096,7 @@ void brw_oword_block_write_scratch(struct brw_compile *p, */ { brw_push_insn_state(p); + brw_set_default_exec_size(p, BRW_EXECUTE_8); brw_set_default_mask_control(p, BRW_MASK_DISABLE); brw_set_default_compression_control(p, BRW_COMPRESSION_NONE); @@ -2025,13 +2119,14 @@ void brw_oword_block_write_scratch(struct brw_compile *p, struct brw_reg src_header = retype(brw_vec8_grf(0, 0), BRW_REGISTER_TYPE_UW); - if (brw_inst_qtr_control(brw, insn) != BRW_COMPRESSION_NONE) { - brw_inst_set_qtr_control(brw, insn, BRW_COMPRESSION_NONE); + brw_inst_set_compression(devinfo, insn, false); + + if (brw_inst_exec_size(devinfo, insn) >= 16) src_header = vec16(src_header); - } - assert(brw_inst_pred_control(brw, insn) == BRW_PREDICATE_NONE); - if (brw->gen < 6) - brw_inst_set_base_mrf(brw, insn, mrf.nr); + + assert(brw_inst_pred_control(devinfo, insn) == BRW_PREDICATE_NONE); + if (devinfo->gen < 6) + brw_inst_set_base_mrf(devinfo, insn, mrf.nr); /* Until gen6, writes followed by reads from the same location * are not guaranteed to be ordered unless write_commit is set. @@ -2043,7 +2138,7 @@ void brw_oword_block_write_scratch(struct brw_compile *p, * protection. Our use of DP writes is all about register * spilling within a thread. */ - if (brw->gen >= 6) { + if (devinfo->gen >= 6) { dest = retype(vec16(brw_null_reg()), BRW_REGISTER_TYPE_UW); send_commit_msg = 0; } else { @@ -2052,20 +2147,20 @@ void brw_oword_block_write_scratch(struct brw_compile *p, } brw_set_dest(p, insn, dest); - if (brw->gen >= 6) { + if (devinfo->gen >= 6) { brw_set_src0(p, insn, mrf); } else { brw_set_src0(p, insn, brw_null_reg()); } - if (brw->gen >= 6) + if (devinfo->gen >= 6) msg_type = GEN6_DATAPORT_WRITE_MESSAGE_OWORD_BLOCK_WRITE; else msg_type = BRW_DATAPORT_WRITE_MESSAGE_OWORD_BLOCK_WRITE; brw_set_dp_write_message(p, insn, - 255, /* binding table index (255=stateless) */ + brw_scratch_surface_idx(p), msg_control, msg_type, mlen, @@ -2086,20 +2181,18 @@ void brw_oword_block_write_scratch(struct brw_compile *p, * spilling. */ void -brw_oword_block_read_scratch(struct brw_compile *p, +brw_oword_block_read_scratch(struct brw_codegen *p, struct brw_reg dest, struct brw_reg mrf, int num_regs, unsigned offset) { - struct brw_context *brw = p->brw; - uint32_t msg_control; - int rlen; + const struct gen_device_info *devinfo = p->devinfo; - if (brw->gen >= 6) + if (devinfo->gen >= 6) offset /= 16; - if (p->brw->gen >= 7) { + if (p->devinfo->gen >= 7) { /* On gen 7 and above, we no longer have message registers and we can * send from any register we want. By using the destination register * for the message, we guarantee that the implied message write won't @@ -2113,16 +2206,19 @@ brw_oword_block_read_scratch(struct brw_compile *p, } dest = retype(dest, BRW_REGISTER_TYPE_UW); - if (num_regs == 1) { - msg_control = BRW_DATAPORT_OWORD_BLOCK_2_OWORDS; - rlen = 1; - } else { - msg_control = BRW_DATAPORT_OWORD_BLOCK_4_OWORDS; - rlen = 2; - } + const unsigned rlen = num_regs; + const unsigned msg_control = + (num_regs == 1 ? BRW_DATAPORT_OWORD_BLOCK_2_OWORDS : + num_regs == 2 ? BRW_DATAPORT_OWORD_BLOCK_4_OWORDS : + num_regs == 4 ? BRW_DATAPORT_OWORD_BLOCK_8_OWORDS : 0); + assert(msg_control); + const unsigned target_cache = devinfo->gen >= 7 ? + BRW_DATAPORT_READ_TARGET_DATA_CACHE : + BRW_DATAPORT_READ_TARGET_RENDER_CACHE; { brw_push_insn_state(p); + brw_set_default_exec_size(p, BRW_EXECUTE_8); brw_set_default_compression_control(p, BRW_COMPRESSION_NONE); brw_set_default_mask_control(p, BRW_MASK_DISABLE); @@ -2137,23 +2233,23 @@ brw_oword_block_read_scratch(struct brw_compile *p, { brw_inst *insn = next_insn(p, BRW_OPCODE_SEND); - assert(brw_inst_pred_control(brw, insn) == 0); - brw_inst_set_qtr_control(brw, insn, BRW_COMPRESSION_NONE); + assert(brw_inst_pred_control(devinfo, insn) == 0); + brw_inst_set_compression(devinfo, insn, false); brw_set_dest(p, insn, dest); /* UW? */ - if (brw->gen >= 6) { + if (devinfo->gen >= 6) { brw_set_src0(p, insn, mrf); } else { brw_set_src0(p, insn, brw_null_reg()); - brw_inst_set_base_mrf(brw, insn, mrf.nr); + brw_inst_set_base_mrf(devinfo, insn, mrf.nr); } brw_set_dp_read_message(p, insn, - 255, /* binding table index (255=stateless) */ + brw_scratch_surface_idx(p), msg_control, BRW_DATAPORT_READ_MESSAGE_OWORD_BLOCK_READ, /* msg_type */ - BRW_DATAPORT_READ_TARGET_RENDER_CACHE, + target_cache, 1, /* msg_length */ true, /* header_present */ rlen); @@ -2161,16 +2257,15 @@ brw_oword_block_read_scratch(struct brw_compile *p, } void -gen7_block_read_scratch(struct brw_compile *p, +gen7_block_read_scratch(struct brw_codegen *p, struct brw_reg dest, int num_regs, unsigned offset) { - const struct brw_context *brw = p->brw; + const struct gen_device_info *devinfo = p->devinfo; brw_inst *insn = next_insn(p, BRW_OPCODE_SEND); - assert(brw_inst_pred_control(brw, insn) == BRW_PREDICATE_NONE); + assert(brw_inst_pred_control(devinfo, insn) == BRW_PREDICATE_NONE); - brw_inst_set_qtr_control(brw, insn, BRW_COMPRESSION_NONE); brw_set_dest(p, insn, retype(dest, BRW_REGISTER_TYPE_UW)); /* The HW requires that the header is present; this is to get the g0.5 @@ -2201,21 +2296,22 @@ gen7_block_read_scratch(struct brw_compile *p, * Location (in buffer) should be a multiple of 16. * Used for fetching shader constants. */ -void brw_oword_block_read(struct brw_compile *p, +void brw_oword_block_read(struct brw_codegen *p, struct brw_reg dest, struct brw_reg mrf, uint32_t offset, uint32_t bind_table_index) { - struct brw_context *brw = p->brw; + const struct gen_device_info *devinfo = p->devinfo; /* On newer hardware, offset is in units of owords. */ - if (brw->gen >= 6) + if (devinfo->gen >= 6) offset /= 16; mrf = retype(mrf, BRW_REGISTER_TYPE_UD); brw_push_insn_state(p); + brw_set_default_exec_size(p, BRW_EXECUTE_8); brw_set_default_predicate_control(p, BRW_PREDICATE_NONE); brw_set_default_compression_control(p, BRW_COMPRESSION_NONE); brw_set_default_mask_control(p, BRW_MASK_DISABLE); @@ -2235,11 +2331,11 @@ void brw_oword_block_read(struct brw_compile *p, dest = retype(vec8(dest), BRW_REGISTER_TYPE_UW); brw_set_dest(p, insn, dest); - if (brw->gen >= 6) { + if (devinfo->gen >= 6) { brw_set_src0(p, insn, mrf); } else { brw_set_src0(p, insn, brw_null_reg()); - brw_inst_set_base_mrf(brw, insn, mrf.nr); + brw_inst_set_base_mrf(devinfo, insn, mrf.nr); } brw_set_dp_read_message(p, @@ -2256,8 +2352,7 @@ void brw_oword_block_read(struct brw_compile *p, } -void brw_fb_WRITE(struct brw_compile *p, - int dispatch_width, +void brw_fb_WRITE(struct brw_codegen *p, struct brw_reg payload, struct brw_reg implied_header, unsigned msg_control, @@ -2265,33 +2360,34 @@ void brw_fb_WRITE(struct brw_compile *p, unsigned msg_length, unsigned response_length, bool eot, + bool last_render_target, bool header_present) { - struct brw_context *brw = p->brw; + const struct gen_device_info *devinfo = p->devinfo; brw_inst *insn; unsigned msg_type; struct brw_reg dest, src0; - if (dispatch_width == 16) + if (brw_inst_exec_size(devinfo, p->current) >= BRW_EXECUTE_16) dest = retype(vec16(brw_null_reg()), BRW_REGISTER_TYPE_UW); else dest = retype(vec8(brw_null_reg()), BRW_REGISTER_TYPE_UW); - if (brw->gen >= 6) { + if (devinfo->gen >= 6) { insn = next_insn(p, BRW_OPCODE_SENDC); } else { insn = next_insn(p, BRW_OPCODE_SEND); } - brw_inst_set_qtr_control(brw, insn, BRW_COMPRESSION_NONE); + brw_inst_set_compression(devinfo, insn, false); - if (brw->gen >= 6) { + if (devinfo->gen >= 6) { /* headerless version, just submit color payload */ src0 = payload; msg_type = GEN6_DATAPORT_WRITE_MESSAGE_RENDER_TARGET_WRITE; } else { assert(payload.file == BRW_MESSAGE_REGISTER_FILE); - brw_inst_set_base_mrf(brw, insn, payload.nr); + brw_inst_set_base_mrf(devinfo, insn, payload.nr); src0 = implied_header; msg_type = BRW_DATAPORT_WRITE_MESSAGE_RENDER_TARGET_WRITE; @@ -2306,19 +2402,47 @@ void brw_fb_WRITE(struct brw_compile *p, msg_type, msg_length, header_present, - eot, /* last render target write */ + last_render_target, response_length, eot, 0 /* send_commit_msg */); } +brw_inst * +gen9_fb_READ(struct brw_codegen *p, + struct brw_reg dst, + struct brw_reg payload, + unsigned binding_table_index, + unsigned msg_length, + unsigned response_length, + bool per_sample) +{ + const struct gen_device_info *devinfo = p->devinfo; + assert(devinfo->gen >= 9); + const unsigned msg_subtype = + brw_inst_exec_size(devinfo, p->current) == BRW_EXECUTE_16 ? 0 : 1; + brw_inst *insn = next_insn(p, BRW_OPCODE_SENDC); + + brw_set_dest(p, insn, dst); + brw_set_src0(p, insn, payload); + brw_set_dp_read_message(p, insn, binding_table_index, + per_sample << 5 | msg_subtype, + GEN9_DATAPORT_RC_RENDER_TARGET_READ, + BRW_DATAPORT_READ_TARGET_RENDER_CACHE, + msg_length, true /* header_present */, + response_length); + brw_inst_set_rt_slot_group(devinfo, insn, + brw_inst_qtr_control(devinfo, p->current) / 2); + + return insn; +} /** * Texture sample instruction. * Note: the msg_type plus msg_length values determine exactly what kind * of sampling operation is performed. See volume 4, page 161 of docs. */ -void brw_SAMPLE(struct brw_compile *p, +void brw_SAMPLE(struct brw_codegen *p, struct brw_reg dest, unsigned msg_reg_nr, struct brw_reg src0, @@ -2331,14 +2455,14 @@ void brw_SAMPLE(struct brw_compile *p, unsigned simd_mode, unsigned return_format) { - struct brw_context *brw = p->brw; + const struct gen_device_info *devinfo = p->devinfo; brw_inst *insn; if (msg_reg_nr != -1) gen6_resolve_implied_move(p, &src0, msg_reg_nr); insn = next_insn(p, BRW_OPCODE_SEND); - brw_inst_set_pred_control(brw, insn, BRW_PREDICATE_NONE); /* XXX */ + brw_inst_set_pred_control(devinfo, insn, BRW_PREDICATE_NONE); /* XXX */ /* From the 965 PRM (volume 4, part 1, section 14.2.41): * @@ -2352,11 +2476,10 @@ void brw_SAMPLE(struct brw_compile *p, * are allowed in SIMD16 mode and they could not work without SecHalf. For * these reasons, we allow BRW_COMPRESSION_2NDHALF here. */ - if (brw_inst_qtr_control(brw, insn) != BRW_COMPRESSION_2NDHALF) - brw_inst_set_qtr_control(brw, insn, BRW_COMPRESSION_NONE); + brw_inst_set_compression(devinfo, insn, false); - if (brw->gen < 6) - brw_inst_set_base_mrf(brw, insn, msg_reg_nr); + if (devinfo->gen < 6) + brw_inst_set_base_mrf(devinfo, insn, msg_reg_nr); brw_set_dest(p, insn, dest); brw_set_src0(p, insn, src0); @@ -2374,10 +2497,9 @@ void brw_SAMPLE(struct brw_compile *p, /* Adjust the message header's sampler state pointer to * select the correct group of 16 samplers. */ -void brw_adjust_sampler_state_pointer(struct brw_compile *p, +void brw_adjust_sampler_state_pointer(struct brw_codegen *p, struct brw_reg header, - struct brw_reg sampler_index, - struct brw_reg scratch) + struct brw_reg sampler_index) { /* The "Sampler Index" field can only store values between 0 and 15. * However, we can add an offset to the "Sampler State Pointer" @@ -2388,14 +2510,14 @@ void brw_adjust_sampler_state_pointer(struct brw_compile *p, * exclusively use the offset - we have to use both. */ - struct brw_context *brw = p->brw; + const struct gen_device_info *devinfo = p->devinfo; if (sampler_index.file == BRW_IMMEDIATE_VALUE) { const int sampler_state_size = 16; /* 16 bytes */ - uint32_t sampler = sampler_index.dw1.ud; + uint32_t sampler = sampler_index.ud; if (sampler >= 16) { - assert(brw->is_haswell || brw->gen >= 8); + assert(devinfo->is_haswell || devinfo->gen >= 8); brw_ADD(p, get_element_ud(header, 3), get_element_ud(brw_vec8_grf(0, 0), 3), @@ -2403,11 +2525,11 @@ void brw_adjust_sampler_state_pointer(struct brw_compile *p, } } else { /* Non-const sampler array indexing case */ - if (brw->gen < 8 && !brw->is_haswell) { + if (devinfo->gen < 8 && !devinfo->is_haswell) { return; } - struct brw_reg temp = vec1(retype(scratch, BRW_REGISTER_TYPE_UD)); + struct brw_reg temp = get_element_ud(header, 3); brw_AND(p, temp, get_element_ud(sampler_index, 0), brw_imm_ud(0x0f0)); brw_SHL(p, temp, temp, brw_imm_ud(4)); @@ -2422,7 +2544,7 @@ void brw_adjust_sampler_state_pointer(struct brw_compile *p, * using bitmasks and macros for this, in the old style. Or perhaps * just having the caller instantiate the fields in dword3 itself. */ -void brw_urb_WRITE(struct brw_compile *p, +void brw_urb_WRITE(struct brw_codegen *p, struct brw_reg dest, unsigned msg_reg_nr, struct brw_reg src0, @@ -2432,12 +2554,12 @@ void brw_urb_WRITE(struct brw_compile *p, unsigned offset, unsigned swizzle) { - struct brw_context *brw = p->brw; + const struct gen_device_info *devinfo = p->devinfo; brw_inst *insn; gen6_resolve_implied_move(p, &src0, msg_reg_nr); - if (brw->gen >= 7 && !(flags & BRW_URB_WRITE_USE_CHANNEL_MASKS)) { + if (devinfo->gen >= 7 && !(flags & BRW_URB_WRITE_USE_CHANNEL_MASKS)) { /* Enable Channel Masks in the URB_WRITE_HWORD message header */ brw_push_insn_state(p); brw_set_default_access_mode(p, BRW_ALIGN_1); @@ -2451,14 +2573,14 @@ void brw_urb_WRITE(struct brw_compile *p, insn = next_insn(p, BRW_OPCODE_SEND); - assert(msg_length < BRW_MAX_MRF); + assert(msg_length < BRW_MAX_MRF(devinfo->gen)); brw_set_dest(p, insn, dest); brw_set_src0(p, insn, src0); brw_set_src1(p, insn, brw_imm_d(0)); - if (brw->gen < 6) - brw_inst_set_base_mrf(brw, insn, msg_reg_nr); + if (devinfo->gen < 6) + brw_inst_set_base_mrf(devinfo, insn, msg_reg_nr); brw_set_urb_message(p, insn, @@ -2469,24 +2591,150 @@ void brw_urb_WRITE(struct brw_compile *p, swizzle); } +struct brw_inst * +brw_send_indirect_message(struct brw_codegen *p, + unsigned sfid, + struct brw_reg dst, + struct brw_reg payload, + struct brw_reg desc) +{ + const struct gen_device_info *devinfo = p->devinfo; + struct brw_inst *send; + int setup; + + dst = retype(dst, BRW_REGISTER_TYPE_UW); + + assert(desc.type == BRW_REGISTER_TYPE_UD); + + /* We hold on to the setup instruction (the SEND in the direct case, the OR + * in the indirect case) by its index in the instruction store. The + * pointer returned by next_insn() may become invalid if emitting the SEND + * in the indirect case reallocs the store. + */ + + if (desc.file == BRW_IMMEDIATE_VALUE) { + setup = p->nr_insn; + send = next_insn(p, BRW_OPCODE_SEND); + brw_set_src1(p, send, desc); + + } else { + struct brw_reg addr = retype(brw_address_reg(0), BRW_REGISTER_TYPE_UD); + + brw_push_insn_state(p); + brw_set_default_access_mode(p, BRW_ALIGN_1); + brw_set_default_mask_control(p, BRW_MASK_DISABLE); + brw_set_default_predicate_control(p, BRW_PREDICATE_NONE); + + /* Load the indirect descriptor to an address register using OR so the + * caller can specify additional descriptor bits with the usual + * brw_set_*_message() helper functions. + */ + setup = p->nr_insn; + brw_OR(p, addr, desc, brw_imm_ud(0)); + + brw_pop_insn_state(p); + + send = next_insn(p, BRW_OPCODE_SEND); + brw_set_src1(p, send, addr); + } + + if (dst.width < BRW_EXECUTE_8) + brw_inst_set_exec_size(devinfo, send, dst.width); + + brw_set_dest(p, send, dst); + brw_set_src0(p, send, retype(payload, BRW_REGISTER_TYPE_UD)); + brw_inst_set_sfid(devinfo, send, sfid); + + return &p->store[setup]; +} + +static struct brw_inst * +brw_send_indirect_surface_message(struct brw_codegen *p, + unsigned sfid, + struct brw_reg dst, + struct brw_reg payload, + struct brw_reg surface, + unsigned message_len, + unsigned response_len, + bool header_present) +{ + const struct gen_device_info *devinfo = p->devinfo; + struct brw_inst *insn; + + if (surface.file != BRW_IMMEDIATE_VALUE) { + struct brw_reg addr = retype(brw_address_reg(0), BRW_REGISTER_TYPE_UD); + + brw_push_insn_state(p); + brw_set_default_access_mode(p, BRW_ALIGN_1); + brw_set_default_mask_control(p, BRW_MASK_DISABLE); + brw_set_default_predicate_control(p, BRW_PREDICATE_NONE); + + /* Mask out invalid bits from the surface index to avoid hangs e.g. when + * some surface array is accessed out of bounds. + */ + insn = brw_AND(p, addr, + suboffset(vec1(retype(surface, BRW_REGISTER_TYPE_UD)), + BRW_GET_SWZ(surface.swizzle, 0)), + brw_imm_ud(0xff)); + + brw_pop_insn_state(p); + + surface = addr; + } + + insn = brw_send_indirect_message(p, sfid, dst, payload, surface); + brw_inst_set_mlen(devinfo, insn, message_len); + brw_inst_set_rlen(devinfo, insn, response_len); + brw_inst_set_header_present(devinfo, insn, header_present); + + return insn; +} + +static bool +while_jumps_before_offset(const struct gen_device_info *devinfo, + brw_inst *insn, int while_offset, int start_offset) +{ + int scale = 16 / brw_jump_scale(devinfo); + int jip = devinfo->gen == 6 ? brw_inst_gen6_jump_count(devinfo, insn) + : brw_inst_jip(devinfo, insn); + return while_offset + jip * scale <= start_offset; +} + + static int -brw_find_next_block_end(struct brw_compile *p, int start_offset) +brw_find_next_block_end(struct brw_codegen *p, int start_offset) { int offset; void *store = p->store; - const struct brw_context *brw = p->brw; + const struct gen_device_info *devinfo = p->devinfo; + + int depth = 0; - for (offset = next_offset(brw, store, start_offset); + for (offset = next_offset(devinfo, store, start_offset); offset < p->next_insn_offset; - offset = next_offset(brw, store, offset)) { + offset = next_offset(devinfo, store, offset)) { brw_inst *insn = store + offset; - switch (brw_inst_opcode(brw, insn)) { + switch (brw_inst_opcode(devinfo, insn)) { + case BRW_OPCODE_IF: + depth++; + break; case BRW_OPCODE_ENDIF: - case BRW_OPCODE_ELSE: + if (depth == 0) + return offset; + depth--; + break; case BRW_OPCODE_WHILE: + /* If the while doesn't jump before our instruction, it's the end + * of a sibling do...while loop. Ignore it. + */ + if (!while_jumps_before_offset(devinfo, insn, offset, start_offset)) + continue; + /* fallthrough */ + case BRW_OPCODE_ELSE: case BRW_OPCODE_HALT: - return offset; + if (depth == 0) + return offset; } } @@ -2498,27 +2746,24 @@ brw_find_next_block_end(struct brw_compile *p, int start_offset) * instruction. */ static int -brw_find_loop_end(struct brw_compile *p, int start_offset) +brw_find_loop_end(struct brw_codegen *p, int start_offset) { - struct brw_context *brw = p->brw; + const struct gen_device_info *devinfo = p->devinfo; int offset; - int scale = 16 / brw_jump_scale(brw); void *store = p->store; - assert(brw->gen >= 6); + assert(devinfo->gen >= 6); /* Always start after the instruction (such as a WHILE) we're trying to fix * up. */ - for (offset = next_offset(brw, store, start_offset); + for (offset = next_offset(devinfo, store, start_offset); offset < p->next_insn_offset; - offset = next_offset(brw, store, offset)) { + offset = next_offset(devinfo, store, offset)) { brw_inst *insn = store + offset; - if (brw_inst_opcode(brw, insn) == BRW_OPCODE_WHILE) { - int jip = brw->gen == 6 ? brw_inst_gen6_jump_count(brw, insn) - : brw_inst_jip(brw, insn); - if (offset + jip * scale <= start_offset) + if (brw_inst_opcode(devinfo, insn) == BRW_OPCODE_WHILE) { + if (while_jumps_before_offset(devinfo, insn, offset, start_offset)) return offset; } } @@ -2530,56 +2775,48 @@ brw_find_loop_end(struct brw_compile *p, int start_offset) * BREAK, CONT, and HALT instructions to their correct locations. */ void -brw_set_uip_jip(struct brw_compile *p) +brw_set_uip_jip(struct brw_codegen *p, int start_offset) { - struct brw_context *brw = p->brw; + const struct gen_device_info *devinfo = p->devinfo; int offset; - int br = brw_jump_scale(brw); + int br = brw_jump_scale(devinfo); int scale = 16 / br; void *store = p->store; - if (brw->gen < 6) + if (devinfo->gen < 6) return; - for (offset = 0; offset < p->next_insn_offset; - offset = next_offset(brw, store, offset)) { + for (offset = start_offset; offset < p->next_insn_offset; offset += 16) { brw_inst *insn = store + offset; - - if (brw_inst_cmpt_control(brw, insn)) { - /* Fixups for compacted BREAK/CONTINUE not supported yet. */ - assert(brw_inst_opcode(brw, insn) != BRW_OPCODE_BREAK && - brw_inst_opcode(brw, insn) != BRW_OPCODE_CONTINUE && - brw_inst_opcode(brw, insn) != BRW_OPCODE_HALT); - continue; - } + assert(brw_inst_cmpt_control(devinfo, insn) == 0); int block_end_offset = brw_find_next_block_end(p, offset); - switch (brw_inst_opcode(brw, insn)) { + switch (brw_inst_opcode(devinfo, insn)) { case BRW_OPCODE_BREAK: assert(block_end_offset != 0); - brw_inst_set_jip(brw, insn, (block_end_offset - offset) / scale); + brw_inst_set_jip(devinfo, insn, (block_end_offset - offset) / scale); /* Gen7 UIP points to WHILE; Gen6 points just after it */ - brw_inst_set_uip(brw, insn, + brw_inst_set_uip(devinfo, insn, (brw_find_loop_end(p, offset) - offset + - (brw->gen == 6 ? 16 : 0)) / scale); + (devinfo->gen == 6 ? 16 : 0)) / scale); break; case BRW_OPCODE_CONTINUE: assert(block_end_offset != 0); - brw_inst_set_jip(brw, insn, (block_end_offset - offset) / scale); - brw_inst_set_uip(brw, insn, + brw_inst_set_jip(devinfo, insn, (block_end_offset - offset) / scale); + brw_inst_set_uip(devinfo, insn, (brw_find_loop_end(p, offset) - offset) / scale); - assert(brw_inst_uip(brw, insn) != 0); - assert(brw_inst_jip(brw, insn) != 0); + assert(brw_inst_uip(devinfo, insn) != 0); + assert(brw_inst_jip(devinfo, insn) != 0); break; case BRW_OPCODE_ENDIF: { int32_t jump = (block_end_offset == 0) ? 1 * br : (block_end_offset - offset) / scale; - if (brw->gen >= 7) - brw_inst_set_jip(brw, insn, jump); + if (devinfo->gen >= 7) + brw_inst_set_jip(devinfo, insn, jump); else - brw_inst_set_gen6_jump_count(brw, insn, jump); + brw_inst_set_gen6_jump_count(devinfo, insn, jump); break; } @@ -2596,18 +2833,18 @@ brw_set_uip_jip(struct brw_compile *p) * instruction. */ if (block_end_offset == 0) { - brw_inst_set_jip(brw, insn, brw_inst_uip(brw, insn)); + brw_inst_set_jip(devinfo, insn, brw_inst_uip(devinfo, insn)); } else { - brw_inst_set_jip(brw, insn, (block_end_offset - offset) / scale); + brw_inst_set_jip(devinfo, insn, (block_end_offset - offset) / scale); } - assert(brw_inst_uip(brw, insn) != 0); - assert(brw_inst_jip(brw, insn) != 0); + assert(brw_inst_uip(devinfo, insn) != 0); + assert(brw_inst_jip(devinfo, insn) != 0); break; } } } -void brw_ff_sync(struct brw_compile *p, +void brw_ff_sync(struct brw_codegen *p, struct brw_reg dest, unsigned msg_reg_nr, struct brw_reg src0, @@ -2615,7 +2852,7 @@ void brw_ff_sync(struct brw_compile *p, unsigned response_length, bool eot) { - struct brw_context *brw = p->brw; + const struct gen_device_info *devinfo = p->devinfo; brw_inst *insn; gen6_resolve_implied_move(p, &src0, msg_reg_nr); @@ -2625,8 +2862,8 @@ void brw_ff_sync(struct brw_compile *p, brw_set_src0(p, insn, src0); brw_set_src1(p, insn, brw_imm_d(0)); - if (brw->gen < 6) - brw_inst_set_base_mrf(brw, insn, msg_reg_nr); + if (devinfo->gen < 6) + brw_inst_set_base_mrf(devinfo, insn, msg_reg_nr); brw_set_ff_sync_message(p, insn, @@ -2647,7 +2884,7 @@ void brw_ff_sync(struct brw_compile *p, * writes are complete by sending the final write as a committed write." */ void -brw_svb_write(struct brw_compile *p, +brw_svb_write(struct brw_codegen *p, struct brw_reg dest, unsigned msg_reg_nr, struct brw_reg src0, @@ -2674,158 +2911,623 @@ brw_svb_write(struct brw_compile *p, send_commit_msg); /* send_commit_msg */ } +static unsigned +brw_surface_payload_size(struct brw_codegen *p, + unsigned num_channels, + bool has_simd4x2, + bool has_simd16) +{ + if (has_simd4x2 && + brw_inst_access_mode(p->devinfo, p->current) == BRW_ALIGN_16) + return 1; + else if (has_simd16 && + brw_inst_exec_size(p->devinfo, p->current) == BRW_EXECUTE_16) + return 2 * num_channels; + else + return num_channels; +} + static void -brw_set_dp_untyped_atomic_message(struct brw_compile *p, +brw_set_dp_untyped_atomic_message(struct brw_codegen *p, brw_inst *insn, unsigned atomic_op, - unsigned bind_table_index, - unsigned msg_length, - unsigned response_length, - bool header_present) + bool response_expected) { - const struct brw_context *brw = p->brw; - + const struct gen_device_info *devinfo = p->devinfo; unsigned msg_control = atomic_op | /* Atomic Operation Type: BRW_AOP_* */ - (response_length ? 1 << 5 : 0); /* Return data expected */ + (response_expected ? 1 << 5 : 0); /* Return data expected */ - if (brw->gen >= 8 || brw->is_haswell) { - brw_set_message_descriptor(p, insn, HSW_SFID_DATAPORT_DATA_CACHE_1, - msg_length, response_length, - header_present, false); - - - if (brw_inst_access_mode(brw, insn) == BRW_ALIGN_1) { - if (brw_inst_exec_size(brw, insn) != BRW_EXECUTE_16) + if (devinfo->gen >= 8 || devinfo->is_haswell) { + if (brw_inst_access_mode(devinfo, p->current) == BRW_ALIGN_1) { + if (brw_inst_exec_size(devinfo, p->current) != BRW_EXECUTE_16) msg_control |= 1 << 4; /* SIMD8 mode */ - brw_inst_set_dp_msg_type(brw, insn, + brw_inst_set_dp_msg_type(devinfo, insn, HSW_DATAPORT_DC_PORT1_UNTYPED_ATOMIC_OP); } else { - brw_inst_set_dp_msg_type(brw, insn, + brw_inst_set_dp_msg_type(devinfo, insn, HSW_DATAPORT_DC_PORT1_UNTYPED_ATOMIC_OP_SIMD4X2); } } else { - brw_set_message_descriptor(p, insn, GEN7_SFID_DATAPORT_DATA_CACHE, - msg_length, response_length, - header_present, false); - - brw_inst_set_dp_msg_type(brw, insn, GEN7_DATAPORT_DC_UNTYPED_ATOMIC_OP); + brw_inst_set_dp_msg_type(devinfo, insn, + GEN7_DATAPORT_DC_UNTYPED_ATOMIC_OP); - if (brw_inst_exec_size(brw, insn) != BRW_EXECUTE_16) + if (brw_inst_exec_size(devinfo, p->current) != BRW_EXECUTE_16) msg_control |= 1 << 4; /* SIMD8 mode */ } - brw_inst_set_binding_table_index(brw, insn, bind_table_index); - brw_inst_set_dp_msg_control(brw, insn, msg_control); + brw_inst_set_dp_msg_control(devinfo, insn, msg_control); } void -brw_untyped_atomic(struct brw_compile *p, - struct brw_reg dest, +brw_untyped_atomic(struct brw_codegen *p, + struct brw_reg dst, struct brw_reg payload, + struct brw_reg surface, unsigned atomic_op, - unsigned bind_table_index, unsigned msg_length, - unsigned response_length) { - const struct brw_context *brw = p->brw; - brw_inst *insn = brw_next_insn(p, BRW_OPCODE_SEND); + bool response_expected) +{ + const struct gen_device_info *devinfo = p->devinfo; + const unsigned sfid = (devinfo->gen >= 8 || devinfo->is_haswell ? + HSW_SFID_DATAPORT_DATA_CACHE_1 : + GEN7_SFID_DATAPORT_DATA_CACHE); + const bool align1 = brw_inst_access_mode(devinfo, p->current) == BRW_ALIGN_1; + /* Mask out unused components -- This is especially important in Align16 + * mode on generations that don't have native support for SIMD4x2 atomics, + * because unused but enabled components will cause the dataport to perform + * additional atomic operations on the addresses that happen to be in the + * uninitialized Y, Z and W coordinates of the payload. + */ + const unsigned mask = align1 ? WRITEMASK_XYZW : WRITEMASK_X; + struct brw_inst *insn = brw_send_indirect_surface_message( + p, sfid, brw_writemask(dst, mask), payload, surface, msg_length, + brw_surface_payload_size(p, response_expected, + devinfo->gen >= 8 || devinfo->is_haswell, true), + align1); - brw_set_dest(p, insn, retype(dest, BRW_REGISTER_TYPE_UD)); - brw_set_src0(p, insn, retype(payload, BRW_REGISTER_TYPE_UD)); - brw_set_src1(p, insn, brw_imm_d(0)); brw_set_dp_untyped_atomic_message( - p, insn, atomic_op, bind_table_index, msg_length, response_length, - brw_inst_access_mode(brw, insn) == BRW_ALIGN_1); + p, insn, atomic_op, response_expected); } static void -brw_set_dp_untyped_surface_read_message(struct brw_compile *p, - brw_inst *insn, - unsigned bind_table_index, - unsigned msg_length, - unsigned response_length, - bool header_present) -{ - const struct brw_context *brw = p->brw; - const unsigned dispatch_width = - (brw_inst_exec_size(brw, insn) == BRW_EXECUTE_16 ? 16 : 8); - const unsigned num_channels = response_length / (dispatch_width / 8); - - if (brw->gen >= 8 || brw->is_haswell) { - brw_set_message_descriptor(p, insn, HSW_SFID_DATAPORT_DATA_CACHE_1, - msg_length, response_length, - header_present, false); - - brw_inst_set_dp_msg_type(brw, insn, - HSW_DATAPORT_DC_PORT1_UNTYPED_SURFACE_READ); - } else { - brw_set_message_descriptor(p, insn, GEN7_SFID_DATAPORT_DATA_CACHE, - msg_length, response_length, - header_present, false); +brw_set_dp_untyped_surface_read_message(struct brw_codegen *p, + struct brw_inst *insn, + unsigned num_channels) +{ + const struct gen_device_info *devinfo = p->devinfo; + /* Set mask of 32-bit channels to drop. */ + unsigned msg_control = 0xf & (0xf << num_channels); - brw_inst_set_dp_msg_type(brw, insn, - GEN7_DATAPORT_DC_UNTYPED_SURFACE_READ); + if (brw_inst_access_mode(devinfo, p->current) == BRW_ALIGN_1) { + if (brw_inst_exec_size(devinfo, p->current) == BRW_EXECUTE_16) + msg_control |= 1 << 4; /* SIMD16 mode */ + else + msg_control |= 2 << 4; /* SIMD8 mode */ } + brw_inst_set_dp_msg_type(devinfo, insn, + (devinfo->gen >= 8 || devinfo->is_haswell ? + HSW_DATAPORT_DC_PORT1_UNTYPED_SURFACE_READ : + GEN7_DATAPORT_DC_UNTYPED_SURFACE_READ)); + brw_inst_set_dp_msg_control(devinfo, insn, msg_control); +} + +void +brw_untyped_surface_read(struct brw_codegen *p, + struct brw_reg dst, + struct brw_reg payload, + struct brw_reg surface, + unsigned msg_length, + unsigned num_channels) +{ + const struct gen_device_info *devinfo = p->devinfo; + const unsigned sfid = (devinfo->gen >= 8 || devinfo->is_haswell ? + HSW_SFID_DATAPORT_DATA_CACHE_1 : + GEN7_SFID_DATAPORT_DATA_CACHE); + struct brw_inst *insn = brw_send_indirect_surface_message( + p, sfid, dst, payload, surface, msg_length, + brw_surface_payload_size(p, num_channels, true, true), + false); + + brw_set_dp_untyped_surface_read_message( + p, insn, num_channels); +} + +static void +brw_set_dp_untyped_surface_write_message(struct brw_codegen *p, + struct brw_inst *insn, + unsigned num_channels) +{ + const struct gen_device_info *devinfo = p->devinfo; /* Set mask of 32-bit channels to drop. */ - unsigned msg_control = (0xf & (0xf << num_channels)); + unsigned msg_control = 0xf & (0xf << num_channels); - if (brw_inst_access_mode(brw, insn) == BRW_ALIGN_1) { - if (dispatch_width == 16) + if (brw_inst_access_mode(devinfo, p->current) == BRW_ALIGN_1) { + if (brw_inst_exec_size(devinfo, p->current) == BRW_EXECUTE_16) msg_control |= 1 << 4; /* SIMD16 mode */ else msg_control |= 2 << 4; /* SIMD8 mode */ + } else { + if (devinfo->gen >= 8 || devinfo->is_haswell) + msg_control |= 0 << 4; /* SIMD4x2 mode */ + else + msg_control |= 2 << 4; /* SIMD8 mode */ } - brw_inst_set_binding_table_index(brw, insn, bind_table_index); - brw_inst_set_dp_msg_control(brw, insn, msg_control); + brw_inst_set_dp_msg_type(devinfo, insn, + devinfo->gen >= 8 || devinfo->is_haswell ? + HSW_DATAPORT_DC_PORT1_UNTYPED_SURFACE_WRITE : + GEN7_DATAPORT_DC_UNTYPED_SURFACE_WRITE); + brw_inst_set_dp_msg_control(devinfo, insn, msg_control); } void -brw_untyped_surface_read(struct brw_compile *p, - struct brw_reg dest, - struct brw_reg mrf, - unsigned bind_table_index, - unsigned msg_length, - unsigned response_length) +brw_untyped_surface_write(struct brw_codegen *p, + struct brw_reg payload, + struct brw_reg surface, + unsigned msg_length, + unsigned num_channels) +{ + const struct gen_device_info *devinfo = p->devinfo; + const unsigned sfid = (devinfo->gen >= 8 || devinfo->is_haswell ? + HSW_SFID_DATAPORT_DATA_CACHE_1 : + GEN7_SFID_DATAPORT_DATA_CACHE); + const bool align1 = brw_inst_access_mode(devinfo, p->current) == BRW_ALIGN_1; + /* Mask out unused components -- See comment in brw_untyped_atomic(). */ + const unsigned mask = devinfo->gen == 7 && !devinfo->is_haswell && !align1 ? + WRITEMASK_X : WRITEMASK_XYZW; + struct brw_inst *insn = brw_send_indirect_surface_message( + p, sfid, brw_writemask(brw_null_reg(), mask), + payload, surface, msg_length, 0, align1); + + brw_set_dp_untyped_surface_write_message( + p, insn, num_channels); +} + +static void +brw_set_dp_typed_atomic_message(struct brw_codegen *p, + struct brw_inst *insn, + unsigned atomic_op, + bool response_expected) { - const struct brw_context *brw = p->brw; - brw_inst *insn = next_insn(p, BRW_OPCODE_SEND); + const struct gen_device_info *devinfo = p->devinfo; + unsigned msg_control = + atomic_op | /* Atomic Operation Type: BRW_AOP_* */ + (response_expected ? 1 << 5 : 0); /* Return data expected */ - brw_set_dest(p, insn, retype(dest, BRW_REGISTER_TYPE_UD)); - brw_set_src0(p, insn, retype(mrf, BRW_REGISTER_TYPE_UD)); - brw_set_dp_untyped_surface_read_message( - p, insn, bind_table_index, msg_length, response_length, - brw_inst_access_mode(brw, insn) == BRW_ALIGN_1); + if (devinfo->gen >= 8 || devinfo->is_haswell) { + if (brw_inst_access_mode(devinfo, p->current) == BRW_ALIGN_1) { + if (brw_inst_qtr_control(devinfo, p->current) % 2 == 1) + msg_control |= 1 << 4; /* Use high 8 slots of the sample mask */ + + brw_inst_set_dp_msg_type(devinfo, insn, + HSW_DATAPORT_DC_PORT1_TYPED_ATOMIC_OP); + } else { + brw_inst_set_dp_msg_type(devinfo, insn, + HSW_DATAPORT_DC_PORT1_TYPED_ATOMIC_OP_SIMD4X2); + } + + } else { + brw_inst_set_dp_msg_type(devinfo, insn, + GEN7_DATAPORT_RC_TYPED_ATOMIC_OP); + + if (brw_inst_qtr_control(devinfo, p->current) % 2 == 1) + msg_control |= 1 << 4; /* Use high 8 slots of the sample mask */ + } + + brw_inst_set_dp_msg_control(devinfo, insn, msg_control); +} + +void +brw_typed_atomic(struct brw_codegen *p, + struct brw_reg dst, + struct brw_reg payload, + struct brw_reg surface, + unsigned atomic_op, + unsigned msg_length, + bool response_expected) { + const struct gen_device_info *devinfo = p->devinfo; + const unsigned sfid = (devinfo->gen >= 8 || devinfo->is_haswell ? + HSW_SFID_DATAPORT_DATA_CACHE_1 : + GEN6_SFID_DATAPORT_RENDER_CACHE); + const bool align1 = (brw_inst_access_mode(devinfo, p->current) == BRW_ALIGN_1); + /* Mask out unused components -- See comment in brw_untyped_atomic(). */ + const unsigned mask = align1 ? WRITEMASK_XYZW : WRITEMASK_X; + struct brw_inst *insn = brw_send_indirect_surface_message( + p, sfid, brw_writemask(dst, mask), payload, surface, msg_length, + brw_surface_payload_size(p, response_expected, + devinfo->gen >= 8 || devinfo->is_haswell, false), + true); + + brw_set_dp_typed_atomic_message( + p, insn, atomic_op, response_expected); +} + +static void +brw_set_dp_typed_surface_read_message(struct brw_codegen *p, + struct brw_inst *insn, + unsigned num_channels) +{ + const struct gen_device_info *devinfo = p->devinfo; + /* Set mask of unused channels. */ + unsigned msg_control = 0xf & (0xf << num_channels); + + if (devinfo->gen >= 8 || devinfo->is_haswell) { + if (brw_inst_access_mode(devinfo, p->current) == BRW_ALIGN_1) { + if (brw_inst_qtr_control(devinfo, p->current) % 2 == 1) + msg_control |= 2 << 4; /* Use high 8 slots of the sample mask */ + else + msg_control |= 1 << 4; /* Use low 8 slots of the sample mask */ + } + + brw_inst_set_dp_msg_type(devinfo, insn, + HSW_DATAPORT_DC_PORT1_TYPED_SURFACE_READ); + } else { + if (brw_inst_access_mode(devinfo, p->current) == BRW_ALIGN_1) { + if (brw_inst_qtr_control(devinfo, p->current) % 2 == 1) + msg_control |= 1 << 5; /* Use high 8 slots of the sample mask */ + } + + brw_inst_set_dp_msg_type(devinfo, insn, + GEN7_DATAPORT_RC_TYPED_SURFACE_READ); + } + + brw_inst_set_dp_msg_control(devinfo, insn, msg_control); +} + +void +brw_typed_surface_read(struct brw_codegen *p, + struct brw_reg dst, + struct brw_reg payload, + struct brw_reg surface, + unsigned msg_length, + unsigned num_channels) +{ + const struct gen_device_info *devinfo = p->devinfo; + const unsigned sfid = (devinfo->gen >= 8 || devinfo->is_haswell ? + HSW_SFID_DATAPORT_DATA_CACHE_1 : + GEN6_SFID_DATAPORT_RENDER_CACHE); + struct brw_inst *insn = brw_send_indirect_surface_message( + p, sfid, dst, payload, surface, msg_length, + brw_surface_payload_size(p, num_channels, + devinfo->gen >= 8 || devinfo->is_haswell, false), + true); + + brw_set_dp_typed_surface_read_message( + p, insn, num_channels); +} + +static void +brw_set_dp_typed_surface_write_message(struct brw_codegen *p, + struct brw_inst *insn, + unsigned num_channels) +{ + const struct gen_device_info *devinfo = p->devinfo; + /* Set mask of unused channels. */ + unsigned msg_control = 0xf & (0xf << num_channels); + + if (devinfo->gen >= 8 || devinfo->is_haswell) { + if (brw_inst_access_mode(devinfo, p->current) == BRW_ALIGN_1) { + if (brw_inst_qtr_control(devinfo, p->current) % 2 == 1) + msg_control |= 2 << 4; /* Use high 8 slots of the sample mask */ + else + msg_control |= 1 << 4; /* Use low 8 slots of the sample mask */ + } + + brw_inst_set_dp_msg_type(devinfo, insn, + HSW_DATAPORT_DC_PORT1_TYPED_SURFACE_WRITE); + + } else { + if (brw_inst_access_mode(devinfo, p->current) == BRW_ALIGN_1) { + if (brw_inst_qtr_control(devinfo, p->current) % 2 == 1) + msg_control |= 1 << 5; /* Use high 8 slots of the sample mask */ + } + + brw_inst_set_dp_msg_type(devinfo, insn, + GEN7_DATAPORT_RC_TYPED_SURFACE_WRITE); + } + + brw_inst_set_dp_msg_control(devinfo, insn, msg_control); } void -brw_pixel_interpolator_query(struct brw_compile *p, +brw_typed_surface_write(struct brw_codegen *p, + struct brw_reg payload, + struct brw_reg surface, + unsigned msg_length, + unsigned num_channels) +{ + const struct gen_device_info *devinfo = p->devinfo; + const unsigned sfid = (devinfo->gen >= 8 || devinfo->is_haswell ? + HSW_SFID_DATAPORT_DATA_CACHE_1 : + GEN6_SFID_DATAPORT_RENDER_CACHE); + const bool align1 = (brw_inst_access_mode(devinfo, p->current) == BRW_ALIGN_1); + /* Mask out unused components -- See comment in brw_untyped_atomic(). */ + const unsigned mask = (devinfo->gen == 7 && !devinfo->is_haswell && !align1 ? + WRITEMASK_X : WRITEMASK_XYZW); + struct brw_inst *insn = brw_send_indirect_surface_message( + p, sfid, brw_writemask(brw_null_reg(), mask), + payload, surface, msg_length, 0, true); + + brw_set_dp_typed_surface_write_message( + p, insn, num_channels); +} + +static void +brw_set_memory_fence_message(struct brw_codegen *p, + struct brw_inst *insn, + enum brw_message_target sfid, + bool commit_enable) +{ + const struct gen_device_info *devinfo = p->devinfo; + + brw_set_message_descriptor(p, insn, sfid, + 1 /* message length */, + (commit_enable ? 1 : 0) /* response length */, + true /* header present */, + false); + + switch (sfid) { + case GEN6_SFID_DATAPORT_RENDER_CACHE: + brw_inst_set_dp_msg_type(devinfo, insn, GEN7_DATAPORT_RC_MEMORY_FENCE); + break; + case GEN7_SFID_DATAPORT_DATA_CACHE: + brw_inst_set_dp_msg_type(devinfo, insn, GEN7_DATAPORT_DC_MEMORY_FENCE); + break; + default: + unreachable("Not reached"); + } + + if (commit_enable) + brw_inst_set_dp_msg_control(devinfo, insn, 1 << 5); +} + +void +brw_memory_fence(struct brw_codegen *p, + struct brw_reg dst) +{ + const struct gen_device_info *devinfo = p->devinfo; + const bool commit_enable = devinfo->gen == 7 && !devinfo->is_haswell; + struct brw_inst *insn; + + brw_push_insn_state(p); + brw_set_default_mask_control(p, BRW_MASK_DISABLE); + brw_set_default_exec_size(p, BRW_EXECUTE_1); + dst = vec1(dst); + + /* Set dst as destination for dependency tracking, the MEMORY_FENCE + * message doesn't write anything back. + */ + insn = next_insn(p, BRW_OPCODE_SEND); + dst = retype(dst, BRW_REGISTER_TYPE_UW); + brw_set_dest(p, insn, dst); + brw_set_src0(p, insn, dst); + brw_set_memory_fence_message(p, insn, GEN7_SFID_DATAPORT_DATA_CACHE, + commit_enable); + + if (devinfo->gen == 7 && !devinfo->is_haswell) { + /* IVB does typed surface access through the render cache, so we need to + * flush it too. Use a different register so both flushes can be + * pipelined by the hardware. + */ + insn = next_insn(p, BRW_OPCODE_SEND); + brw_set_dest(p, insn, offset(dst, 1)); + brw_set_src0(p, insn, offset(dst, 1)); + brw_set_memory_fence_message(p, insn, GEN6_SFID_DATAPORT_RENDER_CACHE, + commit_enable); + + /* Now write the response of the second message into the response of the + * first to trigger a pipeline stall -- This way future render and data + * cache messages will be properly ordered with respect to past data and + * render cache messages. + */ + brw_MOV(p, dst, offset(dst, 1)); + } + + brw_pop_insn_state(p); +} + +void +brw_pixel_interpolator_query(struct brw_codegen *p, struct brw_reg dest, struct brw_reg mrf, bool noperspective, unsigned mode, - unsigned data, + struct brw_reg data, unsigned msg_length, unsigned response_length) { - const struct brw_context *brw = p->brw; - struct brw_inst *insn = next_insn(p, BRW_OPCODE_SEND); + const struct gen_device_info *devinfo = p->devinfo; + struct brw_inst *insn; + const uint16_t exec_size = brw_inst_exec_size(devinfo, p->current); - brw_set_dest(p, insn, dest); - brw_set_src0(p, insn, mrf); - brw_set_message_descriptor(p, insn, GEN7_SFID_PIXEL_INTERPOLATOR, - msg_length, response_length, - false /* header is never present for PI */, - false); + /* brw_send_indirect_message will automatically use a direct send message + * if data is actually immediate. + */ + insn = brw_send_indirect_message(p, + GEN7_SFID_PIXEL_INTERPOLATOR, + dest, + mrf, + vec1(data)); + brw_inst_set_mlen(devinfo, insn, msg_length); + brw_inst_set_rlen(devinfo, insn, response_length); - brw_inst_set_pi_simd_mode( - brw, insn, brw_inst_exec_size(brw, insn) == BRW_EXECUTE_16); - brw_inst_set_pi_slot_group(brw, insn, 0); /* zero unless 32/64px dispatch */ - brw_inst_set_pi_nopersp(brw, insn, noperspective); - brw_inst_set_pi_message_type(brw, insn, mode); - brw_inst_set_pi_message_data(brw, insn, data); + brw_inst_set_pi_simd_mode(devinfo, insn, exec_size == BRW_EXECUTE_16); + brw_inst_set_pi_slot_group(devinfo, insn, 0); /* zero unless 32/64px dispatch */ + brw_inst_set_pi_nopersp(devinfo, insn, noperspective); + brw_inst_set_pi_message_type(devinfo, insn, mode); +} + +void +brw_find_live_channel(struct brw_codegen *p, struct brw_reg dst) +{ + const struct gen_device_info *devinfo = p->devinfo; + const unsigned exec_size = 1 << brw_inst_exec_size(devinfo, p->current); + const unsigned qtr_control = brw_inst_qtr_control(devinfo, p->current); + brw_inst *inst; + + assert(devinfo->gen >= 7); + + brw_push_insn_state(p); + + if (brw_inst_access_mode(devinfo, p->current) == BRW_ALIGN_1) { + brw_set_default_mask_control(p, BRW_MASK_DISABLE); + + if (devinfo->gen >= 8) { + /* Getting the first active channel index is easy on Gen8: Just find + * the first bit set in the mask register. The same register exists + * on HSW already but it reads back as all ones when the current + * instruction has execution masking disabled, so it's kind of + * useless. + */ + inst = brw_FBL(p, vec1(dst), + retype(brw_mask_reg(0), BRW_REGISTER_TYPE_UD)); + + /* Quarter control has the effect of magically shifting the value of + * this register so you'll get the first active channel relative to + * the specified quarter control as result. + */ + } else { + const struct brw_reg flag = brw_flag_reg(1, 0); + + brw_MOV(p, retype(flag, BRW_REGISTER_TYPE_UD), brw_imm_ud(0)); + + /* Run enough instructions returning zero with execution masking and + * a conditional modifier enabled in order to get the full execution + * mask in f1.0. We could use a single 32-wide move here if it + * weren't because of the hardware bug that causes channel enables to + * be applied incorrectly to the second half of 32-wide instructions + * on Gen7. + */ + const unsigned lower_size = MIN2(16, exec_size); + for (unsigned i = 0; i < exec_size / lower_size; i++) { + inst = brw_MOV(p, retype(brw_null_reg(), BRW_REGISTER_TYPE_UW), + brw_imm_uw(0)); + brw_inst_set_mask_control(devinfo, inst, BRW_MASK_ENABLE); + brw_inst_set_group(devinfo, inst, lower_size * i + 8 * qtr_control); + brw_inst_set_cond_modifier(devinfo, inst, BRW_CONDITIONAL_Z); + brw_inst_set_flag_reg_nr(devinfo, inst, 1); + brw_inst_set_exec_size(devinfo, inst, cvt(lower_size) - 1); + } + + /* Find the first bit set in the exec_size-wide portion of the flag + * register that was updated by the last sequence of MOV + * instructions. + */ + const enum brw_reg_type type = brw_int_type(exec_size / 8, false); + brw_FBL(p, vec1(dst), byte_offset(retype(flag, type), qtr_control)); + } + } else { + brw_set_default_mask_control(p, BRW_MASK_DISABLE); + + if (devinfo->gen >= 8) { + /* In SIMD4x2 mode the first active channel index is just the + * negation of the first bit of the mask register. + */ + inst = brw_AND(p, brw_writemask(dst, WRITEMASK_X), + negate(retype(brw_mask_reg(0), BRW_REGISTER_TYPE_UD)), + brw_imm_ud(1)); + + } else { + /* Overwrite the destination without and with execution masking to + * find out which of the channels is active. + */ + brw_push_insn_state(p); + brw_set_default_exec_size(p, BRW_EXECUTE_4); + brw_MOV(p, brw_writemask(vec4(dst), WRITEMASK_X), + brw_imm_ud(1)); + + inst = brw_MOV(p, brw_writemask(vec4(dst), WRITEMASK_X), + brw_imm_ud(0)); + brw_pop_insn_state(p); + brw_inst_set_mask_control(devinfo, inst, BRW_MASK_ENABLE); + } + } + + brw_pop_insn_state(p); +} + +void +brw_broadcast(struct brw_codegen *p, + struct brw_reg dst, + struct brw_reg src, + struct brw_reg idx) +{ + const struct gen_device_info *devinfo = p->devinfo; + const bool align1 = brw_inst_access_mode(devinfo, p->current) == BRW_ALIGN_1; + brw_inst *inst; + + brw_push_insn_state(p); + brw_set_default_mask_control(p, BRW_MASK_DISABLE); + brw_set_default_exec_size(p, align1 ? BRW_EXECUTE_1 : BRW_EXECUTE_4); + + assert(src.file == BRW_GENERAL_REGISTER_FILE && + src.address_mode == BRW_ADDRESS_DIRECT); + + if ((src.vstride == 0 && (src.hstride == 0 || !align1)) || + idx.file == BRW_IMMEDIATE_VALUE) { + /* Trivial, the source is already uniform or the index is a constant. + * We will typically not get here if the optimizer is doing its job, but + * asserting would be mean. + */ + const unsigned i = idx.file == BRW_IMMEDIATE_VALUE ? idx.ud : 0; + brw_MOV(p, dst, + (align1 ? stride(suboffset(src, i), 0, 1, 0) : + stride(suboffset(src, 4 * i), 0, 4, 1))); + } else { + if (align1) { + const struct brw_reg addr = + retype(brw_address_reg(0), BRW_REGISTER_TYPE_UD); + const unsigned offset = src.nr * REG_SIZE + src.subnr; + /* Limit in bytes of the signed indirect addressing immediate. */ + const unsigned limit = 512; + + brw_push_insn_state(p); + brw_set_default_mask_control(p, BRW_MASK_DISABLE); + brw_set_default_predicate_control(p, BRW_PREDICATE_NONE); + + /* Take into account the component size and horizontal stride. */ + assert(src.vstride == src.hstride + src.width); + brw_SHL(p, addr, vec1(idx), + brw_imm_ud(_mesa_logbase2(type_sz(src.type)) + + src.hstride - 1)); + + /* We can only address up to limit bytes using the indirect + * addressing immediate, account for the difference if the source + * register is above this limit. + */ + if (offset >= limit) + brw_ADD(p, addr, addr, brw_imm_ud(offset - offset % limit)); + + brw_pop_insn_state(p); + + /* Use indirect addressing to fetch the specified component. */ + brw_MOV(p, dst, + retype(brw_vec1_indirect(addr.subnr, offset % limit), + src.type)); + } else { + /* In SIMD4x2 mode the index can be either zero or one, replicate it + * to all bits of a flag register, + */ + inst = brw_MOV(p, + brw_null_reg(), + stride(brw_swizzle(idx, BRW_SWIZZLE_XXXX), 4, 4, 1)); + brw_inst_set_pred_control(devinfo, inst, BRW_PREDICATE_NONE); + brw_inst_set_cond_modifier(devinfo, inst, BRW_CONDITIONAL_NZ); + brw_inst_set_flag_reg_nr(devinfo, inst, 1); + + /* and use predicated SEL to pick the right channel. */ + inst = brw_SEL(p, dst, + stride(suboffset(src, 4), 4, 4, 1), + stride(src, 4, 4, 1)); + brw_inst_set_pred_control(devinfo, inst, BRW_PREDICATE_NORMAL); + brw_inst_set_flag_reg_nr(devinfo, inst, 1); + } + } + + brw_pop_insn_state(p); } /** @@ -2844,17 +3546,20 @@ brw_pixel_interpolator_query(struct brw_compile *p, * format, and is only accessible through the legacy DATA_CACHE dataport * messages. */ -void brw_shader_time_add(struct brw_compile *p, +void brw_shader_time_add(struct brw_codegen *p, struct brw_reg payload, uint32_t surf_index) { - assert(p->brw->gen >= 7); + const unsigned sfid = (p->devinfo->gen >= 8 || p->devinfo->is_haswell ? + HSW_SFID_DATAPORT_DATA_CACHE_1 : + GEN7_SFID_DATAPORT_DATA_CACHE); + assert(p->devinfo->gen >= 7); brw_push_insn_state(p); brw_set_default_access_mode(p, BRW_ALIGN_1); brw_set_default_mask_control(p, BRW_MASK_DISABLE); + brw_set_default_compression_control(p, BRW_COMPRESSION_NONE); brw_inst *send = brw_next_insn(p, BRW_OPCODE_SEND); - brw_pop_insn_state(p); /* We use brw_vec1_reg and unmasked because we want to increment the given * offset only once. @@ -2863,8 +3568,61 @@ void brw_shader_time_add(struct brw_compile *p, BRW_ARF_NULL, 0)); brw_set_src0(p, send, brw_vec1_reg(payload.file, payload.nr, 0)); - brw_set_dp_untyped_atomic_message(p, send, BRW_AOP_ADD, surf_index, - 2 /* message length */, - 0 /* response length */, - false /* header present */); + brw_set_src1(p, send, brw_imm_ud(0)); + brw_set_message_descriptor(p, send, sfid, 2, 0, false, false); + brw_inst_set_binding_table_index(p->devinfo, send, surf_index); + brw_set_dp_untyped_atomic_message(p, send, BRW_AOP_ADD, false); + + brw_pop_insn_state(p); +} + + +/** + * Emit the SEND message for a barrier + */ +void +brw_barrier(struct brw_codegen *p, struct brw_reg src) +{ + const struct gen_device_info *devinfo = p->devinfo; + struct brw_inst *inst; + + assert(devinfo->gen >= 7); + + inst = next_insn(p, BRW_OPCODE_SEND); + brw_set_dest(p, inst, retype(brw_null_reg(), BRW_REGISTER_TYPE_UW)); + brw_set_src0(p, inst, src); + brw_set_src1(p, inst, brw_null_reg()); + + brw_set_message_descriptor(p, inst, BRW_SFID_MESSAGE_GATEWAY, + 1 /* msg_length */, + 0 /* response_length */, + false /* header_present */, + false /* end_of_thread */); + + brw_inst_set_gateway_notify(devinfo, inst, 1); + brw_inst_set_gateway_subfuncid(devinfo, inst, + BRW_MESSAGE_GATEWAY_SFID_BARRIER_MSG); + + brw_inst_set_mask_control(devinfo, inst, BRW_MASK_DISABLE); +} + + +/** + * Emit the wait instruction for a barrier + */ +void +brw_WAIT(struct brw_codegen *p) +{ + const struct gen_device_info *devinfo = p->devinfo; + struct brw_inst *insn; + + struct brw_reg src = brw_notification_reg(); + + insn = next_insn(p, BRW_OPCODE_WAIT); + brw_set_dest(p, insn, src); + brw_set_src0(p, insn, src); + brw_set_src1(p, insn, brw_null_reg()); + + brw_inst_set_exec_size(devinfo, insn, BRW_EXECUTE_1); + brw_inst_set_mask_control(devinfo, insn, BRW_MASK_DISABLE); }