From: Alyssa Rosenzweig Date: Mon, 4 May 2020 23:46:32 +0000 (-0400) Subject: pan/bi: Remove FMA? parameter from get_src X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=635bf652edc9150e2e939d76cacbb74537530ef5;p=mesa.git pan/bi: Remove FMA? parameter from get_src We can lower away zeroes a bit earlier. Signed-off-by: Alyssa Rosenzweig Part-of: --- diff --git a/src/panfrost/bifrost/bi_pack.c b/src/panfrost/bifrost/bi_pack.c index 04cc51f58b7..5719e66a58d 100644 --- a/src/panfrost/bifrost/bi_pack.c +++ b/src/panfrost/bifrost/bi_pack.c @@ -202,6 +202,8 @@ bi_assign_uniform_constant_single( regs->uniform_constant = f; ins->src[s] = BIR_INDEX_PASS | BIFROST_SRC_CONST_LO; assigned = true; + } else if (ins->src[s] & BIR_INDEX_ZERO && fast_zero) { + ins->src[s] = BIR_INDEX_PASS | BIFROST_SRC_STAGE; } else if (s & BIR_INDEX_UNIFORM) { unreachable("Push uniforms not implemented yet"); } @@ -465,14 +467,12 @@ bi_get_src_reg_port(struct bi_registers *regs, unsigned src) } static enum bifrost_packed_src -bi_get_src(bi_instruction *ins, struct bi_registers *regs, unsigned s, bool is_fma) +bi_get_src(bi_instruction *ins, struct bi_registers *regs, unsigned s) { unsigned src = ins->src[s]; if (src & BIR_INDEX_REGISTER) return bi_get_src_reg_port(regs, src); - else if (src & BIR_INDEX_ZERO && is_fma) - return BIFROST_SRC_STAGE; else if (src & BIR_INDEX_PASS) return src & ~BIR_INDEX_PASS; else { @@ -517,10 +517,10 @@ bi_pack_fma_fma(bi_instruction *ins, struct bi_registers *regs) bool flip_ab = ins->src_abs[1]; struct bifrost_fma_mscale pack = { - .src0 = bi_get_src(ins, regs, flip_ab ? 1 : 0, true), - .src1 = bi_get_src(ins, regs, flip_ab ? 0 : 1, true), - .src2 = bi_get_src(ins, regs, 2, true), - .src3 = bi_get_src(ins, regs, 3, true), + .src0 = bi_get_src(ins, regs, flip_ab ? 1 : 0), + .src1 = bi_get_src(ins, regs, flip_ab ? 0 : 1), + .src2 = bi_get_src(ins, regs, 2), + .src3 = bi_get_src(ins, regs, 3), .mscale_mode = 0, .mode = ins->outmod, .src0_abs = ins->src_abs[0] || ins->src_abs[1], @@ -532,9 +532,9 @@ bi_pack_fma_fma(bi_instruction *ins, struct bi_registers *regs) RETURN_PACKED(pack); } else if (ins->dest_type == nir_type_float32) { struct bifrost_fma_fma pack = { - .src0 = bi_get_src(ins, regs, 0, true), - .src1 = bi_get_src(ins, regs, 1, true), - .src2 = bi_get_src(ins, regs, 2, true), + .src0 = bi_get_src(ins, regs, 0), + .src1 = bi_get_src(ins, regs, 1), + .src2 = bi_get_src(ins, regs, 2), .src0_abs = ins->src_abs[0], .src1_abs = ins->src_abs[1], .src2_abs = ins->src_abs[2], @@ -548,9 +548,9 @@ bi_pack_fma_fma(bi_instruction *ins, struct bi_registers *regs) RETURN_PACKED(pack); } else if (ins->dest_type == nir_type_float16) { struct bifrost_fma_fma16 pack = { - .src0 = bi_get_src(ins, regs, 0, true), - .src1 = bi_get_src(ins, regs, 1, true), - .src2 = bi_get_src(ins, regs, 2, true), + .src0 = bi_get_src(ins, regs, 0), + .src1 = bi_get_src(ins, regs, 1), + .src2 = bi_get_src(ins, regs, 2), .swizzle_0 = bi_swiz16(ins, 0), .swizzle_1 = bi_swiz16(ins, 1), .swizzle_2 = bi_swiz16(ins, 2), @@ -576,8 +576,8 @@ bi_pack_fma_addmin_f32(bi_instruction *ins, struct bi_registers *regs) BIFROST_FMA_OP_FMAX32; struct bifrost_fma_add pack = { - .src0 = bi_get_src(ins, regs, 0, true), - .src1 = bi_get_src(ins, regs, 1, true), + .src0 = bi_get_src(ins, regs, 0), + .src1 = bi_get_src(ins, regs, 1), .src0_abs = ins->src_abs[0], .src1_abs = ins->src_abs[1], .src0_neg = ins->src_neg[0], @@ -623,8 +623,8 @@ bi_pack_fp16_abs(bi_instruction *ins, struct bi_registers *regs, bool *flip) */ unsigned abs_0 = ins->src_abs[0], abs_1 = ins->src_abs[1]; - unsigned src_0 = bi_get_src(ins, regs, 0, true); - unsigned src_1 = bi_get_src(ins, regs, 1, true); + unsigned src_0 = bi_get_src(ins, regs, 0); + unsigned src_1 = bi_get_src(ins, regs, 1); assert(!(abs_0 && abs_1 && src_0 == src_1)); @@ -655,8 +655,8 @@ bi_pack_fmadd_min_f16(bi_instruction *ins, struct bi_registers *regs, bool FMA) bool flip = false; bool l = bi_pack_fp16_abs(ins, regs, &flip); - unsigned src_0 = bi_get_src(ins, regs, 0, true); - unsigned src_1 = bi_get_src(ins, regs, 1, true); + unsigned src_0 = bi_get_src(ins, regs, 0); + unsigned src_1 = bi_get_src(ins, regs, 1); if (FMA) { struct bifrost_fma_add_minmax16 pack = { @@ -708,7 +708,7 @@ static unsigned bi_pack_fma_1src(bi_instruction *ins, struct bi_registers *regs, unsigned op) { struct bifrost_fma_inst pack = { - .src0 = bi_get_src(ins, regs, 0, true), + .src0 = bi_get_src(ins, regs, 0), .op = op }; @@ -719,8 +719,8 @@ static unsigned bi_pack_fma_2src(bi_instruction *ins, struct bi_registers *regs, unsigned op) { struct bifrost_fma_2src pack = { - .src0 = bi_get_src(ins, regs, 0, true), - .src1 = bi_get_src(ins, regs, 1, true), + .src0 = bi_get_src(ins, regs, 0), + .src1 = bi_get_src(ins, regs, 1), .op = op }; @@ -731,7 +731,7 @@ static unsigned bi_pack_add_1src(bi_instruction *ins, struct bi_registers *regs, unsigned op) { struct bifrost_add_inst pack = { - .src0 = bi_get_src(ins, regs, 0, true), + .src0 = bi_get_src(ins, regs, 0), .op = op }; @@ -801,10 +801,10 @@ bi_pack_fma_csel(bi_instruction *ins, struct bi_registers *regs) unsigned res_1 = (invert ? 2 : 3); struct bifrost_csel4 pack = { - .src0 = bi_get_src(ins, regs, cmp_0, true), - .src1 = bi_get_src(ins, regs, cmp_1, true), - .src2 = bi_get_src(ins, regs, res_0, true), - .src3 = bi_get_src(ins, regs, res_1, true), + .src0 = bi_get_src(ins, regs, cmp_0), + .src1 = bi_get_src(ins, regs, cmp_1), + .src2 = bi_get_src(ins, regs, res_0), + .src3 = bi_get_src(ins, regs, res_1), .cond = cond, .op = (size == 16) ? BIFROST_FMA_OP_CSEL4_V16 : BIFROST_FMA_OP_CSEL4 @@ -861,13 +861,13 @@ bi_pack_convert(bi_instruction *ins, struct bi_registers *regs, bool FMA) if (from_size == 32 && to_size == 16 && from_base == nir_type_float && to_base == from_base) { /* TODO: second vectorized source? */ struct bifrost_fma_2src pfma = { - .src0 = bi_get_src(ins, regs, 0, true), + .src0 = bi_get_src(ins, regs, 0), .src1 = BIFROST_SRC_STAGE, /* 0 */ .op = BIFROST_FMA_FLOAT32_TO_16 }; struct bifrost_add_2src padd = { - .src0 = bi_get_src(ins, regs, 0, true), + .src0 = bi_get_src(ins, regs, 0), .src1 = BIFROST_SRC_STAGE, /* 0 */ .op = BIFROST_ADD_FLOAT32_TO_16 }; @@ -961,10 +961,10 @@ bi_pack_fma_select(bi_instruction *ins, struct bi_registers *regs) } struct bifrost_fma_sel8 pack = { - .src0 = bi_get_src(ins, regs, 0, true), - .src1 = bi_get_src(ins, regs, 1, true), - .src2 = bi_get_src(ins, regs, 2, true), - .src3 = bi_get_src(ins, regs, 3, true), + .src0 = bi_get_src(ins, regs, 0), + .src1 = bi_get_src(ins, regs, 1), + .src2 = bi_get_src(ins, regs, 2), + .src3 = bi_get_src(ins, regs, 3), .swizzle = swiz, .op = BIFROST_FMA_OP_SEL8 }; @@ -1038,8 +1038,8 @@ bi_pack_fma_cmp(bi_instruction *ins, struct bi_registers *regs) cond = bi_flip_fcmp(cond); struct bifrost_fma_fcmp pack = { - .src0 = bi_get_src(ins, regs, 0, true), - .src1 = bi_get_src(ins, regs, 1, true), + .src0 = bi_get_src(ins, regs, 0), + .src1 = bi_get_src(ins, regs, 1), .src0_abs = ins->src_abs[0], .src1_abs = ins->src_abs[1], .src1_neg = neg, @@ -1059,8 +1059,8 @@ bi_pack_fma_cmp(bi_instruction *ins, struct bi_registers *regs) cond = bi_flip_fcmp(cond); struct bifrost_fma_fcmp16 pack = { - .src0 = bi_get_src(ins, regs, flip ? 1 : 0, true), - .src1 = bi_get_src(ins, regs, flip ? 0 : 1, true), + .src0 = bi_get_src(ins, regs, flip ? 1 : 0), + .src1 = bi_get_src(ins, regs, flip ? 0 : 1), .src0_swizzle = bi_swiz16(ins, flip ? 1 : 0), .src1_swizzle = bi_swiz16(ins, flip ? 0 : 1), .abs1 = l, @@ -1126,9 +1126,9 @@ bi_pack_fma_bitwise(bi_instruction *ins, struct bi_registers *regs) } struct bifrost_shift_fma pack = { - .src0 = bi_get_src(ins, regs, 0, true), - .src1 = bi_get_src(ins, regs, 1, true), - .src2 = bi_get_src(ins, regs, 2, true), + .src0 = bi_get_src(ins, regs, 0), + .src1 = bi_get_src(ins, regs, 1), + .src2 = bi_get_src(ins, regs, 2), .half = (size == 32) ? 0 : (size == 16) ? 0x7 : (size == 8) ? 0x4 : 0, .unk = 1, /* XXX */ .invert_1 = invert_0, @@ -1222,7 +1222,7 @@ bi_pack_add_ld_vary(bi_clause *clause, bi_instruction *ins, struct bi_registers packed_addr = bi_get_immediate(ins, 0); } else { /* Indirect gets an extra source */ - packed_addr = bi_get_src(ins, regs, 0, false) | 0b11000; + packed_addr = bi_get_src(ins, regs, 0) | 0b11000; } /* The destination is thrown in the data register */ @@ -1233,7 +1233,7 @@ bi_pack_add_ld_vary(bi_clause *clause, bi_instruction *ins, struct bi_registers assert(channels >= 1 && channels <= 4); struct bifrost_ld_var pack = { - .src0 = bi_get_src(ins, regs, 1, false), + .src0 = bi_get_src(ins, regs, 1), .addr = packed_addr, .channels = MALI_POSITIVE(channels), .interp_mode = ins->load_vary.interp_mode, @@ -1249,8 +1249,8 @@ static unsigned bi_pack_add_2src(bi_instruction *ins, struct bi_registers *regs, unsigned op) { struct bifrost_add_2src pack = { - .src0 = bi_get_src(ins, regs, 0, true), - .src1 = bi_get_src(ins, regs, 1, true), + .src0 = bi_get_src(ins, regs, 0), + .src1 = bi_get_src(ins, regs, 1), .op = op }; @@ -1266,8 +1266,8 @@ bi_pack_add_addmin_f32(bi_instruction *ins, struct bi_registers *regs) BIFROST_ADD_OP_FMAX32; struct bifrost_add_faddmin pack = { - .src0 = bi_get_src(ins, regs, 0, true), - .src1 = bi_get_src(ins, regs, 1, true), + .src0 = bi_get_src(ins, regs, 0), + .src1 = bi_get_src(ins, regs, 1), .src0_abs = ins->src_abs[0], .src1_abs = ins->src_abs[1], .src0_neg = ins->src_neg[0], @@ -1287,8 +1287,8 @@ bi_pack_add_add_f16(bi_instruction *ins, struct bi_registers *regs) assert(ins->outmod == BIFROST_NONE); struct bifrost_add_faddmin pack = { - .src0 = bi_get_src(ins, regs, 0, true), - .src1 = bi_get_src(ins, regs, 1, true), + .src0 = bi_get_src(ins, regs, 0), + .src1 = bi_get_src(ins, regs, 1), .src0_abs = ins->src_abs[0], .src1_abs = ins->src_abs[1], .src0_neg = ins->src_neg[0], @@ -1348,8 +1348,8 @@ static unsigned bi_pack_add_ld_var_addr(bi_clause *clause, bi_instruction *ins, struct bi_registers *regs) { struct bifrost_ld_var_addr pack = { - .src0 = bi_get_src(ins, regs, 1, false), - .src1 = bi_get_src(ins, regs, 2, false), + .src0 = bi_get_src(ins, regs, 1), + .src1 = bi_get_src(ins, regs, 2), .location = bi_get_immediate(ins, 0), .type = bi_pack_ldst_type(ins->src_types[3]), .op = BIFROST_ADD_OP_LD_VAR_ADDR @@ -1365,8 +1365,8 @@ bi_pack_add_ld_attr(bi_clause *clause, bi_instruction *ins, struct bi_registers assert(ins->vector_channels >= 0 && ins->vector_channels <= 4); struct bifrost_ld_attr pack = { - .src0 = bi_get_src(ins, regs, 1, false), - .src1 = bi_get_src(ins, regs, 2, false), + .src0 = bi_get_src(ins, regs, 1), + .src1 = bi_get_src(ins, regs, 2), .location = bi_get_immediate(ins, 0), .channels = MALI_POSITIVE(ins->vector_channels), .type = bi_pack_ldst_type(ins->dest_type), @@ -1383,9 +1383,9 @@ bi_pack_add_st_vary(bi_clause *clause, bi_instruction *ins, struct bi_registers assert(ins->vector_channels >= 1 && ins->vector_channels <= 4); struct bifrost_st_vary pack = { - .src0 = bi_get_src(ins, regs, 1, false), - .src1 = bi_get_src(ins, regs, 2, false), - .src2 = bi_get_src(ins, regs, 3, false), + .src0 = bi_get_src(ins, regs, 1), + .src1 = bi_get_src(ins, regs, 2), + .src2 = bi_get_src(ins, regs, 3), .channels = MALI_POSITIVE(ins->vector_channels), .op = BIFROST_ADD_OP_ST_VAR }; @@ -1400,8 +1400,8 @@ bi_pack_add_atest(bi_clause *clause, bi_instruction *ins, struct bi_registers *r bool fp16 = (ins->src_types[1] == nir_type_float16); struct bifrost_add_atest pack = { - .src0 = bi_get_src(ins, regs, 0, false), - .src1 = bi_get_src(ins, regs, 1, false), + .src0 = bi_get_src(ins, regs, 0), + .src1 = bi_get_src(ins, regs, 1), .half = fp16, .component = fp16 ? ins->swizzle[1][0] : 1, /* Set for fp32 */ .op = BIFROST_ADD_OP_ATEST, @@ -1418,7 +1418,7 @@ static unsigned bi_pack_add_blend(bi_clause *clause, bi_instruction *ins, struct bi_registers *regs) { struct bifrost_add_inst pack = { - .src0 = bi_get_src(ins, regs, 1, false), + .src0 = bi_get_src(ins, regs, 1), .op = BIFROST_ADD_OP_BLEND }; @@ -1473,8 +1473,8 @@ bi_pack_add_tex_compact(bi_clause *clause, bi_instruction *ins, struct bi_regist bool vtx = stage != MESA_SHADER_FRAGMENT; struct bifrost_tex_compact pack = { - .src0 = bi_get_src(ins, regs, 0, false), - .src1 = bi_get_src(ins, regs, 1, false), + .src0 = bi_get_src(ins, regs, 0), + .src1 = bi_get_src(ins, regs, 1), .op = f16 ? BIFROST_ADD_OP_TEX_COMPACT_F16(vtx) : BIFROST_ADD_OP_TEX_COMPACT_F32(vtx), .compute_lod = !vtx, @@ -1530,8 +1530,8 @@ bi_pack_add_discard(bi_instruction *ins, struct bi_registers *regs) enum bifrost_discard_cond cond = bi_cond_to_discard(ins->cond, &flip); struct bifrost_add_discard pack = { - .src0 = bi_get_src(ins, regs, flip ? 1 : 0, false), - .src1 = bi_get_src(ins, regs, flip ? 0 : 1, false), + .src0 = bi_get_src(ins, regs, flip ? 1 : 0), + .src1 = bi_get_src(ins, regs, flip ? 0 : 1), .cond = cond, .src0_select = fp16 ? ins->swizzle[0][0] : 0, .src1_select = fp16 ? ins->swizzle[1][0] : 0, @@ -1572,8 +1572,8 @@ bi_pack_add_icmp32(bi_instruction *ins, struct bi_registers *regs, bool flip, enum bifrost_icmp_cond cond) { struct bifrost_add_icmp pack = { - .src0 = bi_get_src(ins, regs, flip ? 1 : 0, true), - .src1 = bi_get_src(ins, regs, flip ? 0 : 1, true), + .src0 = bi_get_src(ins, regs, flip ? 1 : 0), + .src1 = bi_get_src(ins, regs, flip ? 0 : 1), .cond = cond, .sz = 1, .d3d = false, @@ -1588,8 +1588,8 @@ bi_pack_add_icmp16(bi_instruction *ins, struct bi_registers *regs, bool flip, enum bifrost_icmp_cond cond) { struct bifrost_add_icmp16 pack = { - .src0 = bi_get_src(ins, regs, flip ? 1 : 0, false), - .src1 = bi_get_src(ins, regs, flip ? 0 : 1, false), + .src0 = bi_get_src(ins, regs, flip ? 1 : 0), + .src1 = bi_get_src(ins, regs, flip ? 0 : 1), .src0_swizzle = bi_swiz16(ins, flip ? 1 : 0), .src1_swizzle = bi_swiz16(ins, flip ? 0 : 1), .cond = cond,