*/
#include "si_shader_internal.h"
-#include "gallivm/lp_bld_const.h"
-#include "gallivm/lp_bld_intr.h"
-#include "gallivm/lp_bld_gather.h"
-#include "tgsi/tgsi_parse.h"
-#include "amd/common/ac_llvm_build.h"
-
-static void kill_if_fetch_args(struct lp_build_tgsi_context *bld_base,
- struct lp_build_emit_data *emit_data)
-{
- const struct tgsi_full_instruction *inst = emit_data->inst;
- struct si_shader_context *ctx = si_shader_context(bld_base);
- LLVMBuilderRef builder = ctx->ac.builder;
- unsigned i;
- LLVMValueRef conds[TGSI_NUM_CHANNELS];
-
- for (i = 0; i < TGSI_NUM_CHANNELS; i++) {
- LLVMValueRef value = lp_build_emit_fetch(bld_base, inst, 0, i);
- conds[i] = LLVMBuildFCmp(builder, LLVMRealOGE, value,
- ctx->ac.f32_0, "");
- }
-
- /* And the conditions together */
- for (i = TGSI_NUM_CHANNELS - 1; i > 0; i--) {
- conds[i - 1] = LLVMBuildAnd(builder, conds[i], conds[i - 1], "");
- }
-
- emit_data->dst_type = ctx->voidt;
- emit_data->arg_count = 1;
- emit_data->args[0] = conds[0];
-}
+#include "ac_llvm_util.h"
void si_llvm_emit_kill(struct ac_shader_abi *abi, LLVMValueRef visible)
{
LLVMBuilderRef builder = ctx->ac.builder;
if (ctx->shader->selector->force_correct_derivs_after_kill) {
- /* LLVM 6.0 can kill immediately while maintaining WQM. */
- if (HAVE_LLVM >= 0x0600) {
- ac_build_kill_if_false(&ctx->ac,
- ac_build_wqm_vote(&ctx->ac, visible));
- }
+ /* Kill immediately while maintaining WQM. */
+ ac_build_kill_if_false(&ctx->ac,
+ ac_build_wqm_vote(&ctx->ac, visible));
LLVMValueRef mask = LLVMBuildLoad(builder, ctx->postponed_kill, "");
mask = LLVMBuildAnd(builder, mask, visible, "");
LLVMValueRef visible;
if (emit_data->inst->Instruction.Opcode == TGSI_OPCODE_KILL_IF) {
- visible = emit_data->args[0];
+ const struct tgsi_full_instruction *inst = emit_data->inst;
+ struct si_shader_context *ctx = si_shader_context(bld_base);
+ LLVMBuilderRef builder = ctx->ac.builder;
+ unsigned i;
+ LLVMValueRef conds[TGSI_NUM_CHANNELS];
+
+ for (i = 0; i < TGSI_NUM_CHANNELS; i++) {
+ LLVMValueRef value = lp_build_emit_fetch(bld_base, inst, 0, i);
+ /* UGE because NaN shouldn't get killed */
+ conds[i] = LLVMBuildFCmp(builder, LLVMRealUGE, value,
+ ctx->ac.f32_0, "");
+ }
+
+ /* And the conditions together */
+ for (i = TGSI_NUM_CHANNELS - 1; i > 0; i--) {
+ conds[i - 1] = LLVMBuildAnd(builder, conds[i], conds[i - 1], "");
+ }
+ visible = conds[0];
} else {
assert(emit_data->inst->Instruction.Opcode == TGSI_OPCODE_KILL);
- visible = LLVMConstInt(ctx->i1, false, 0);
+ visible = ctx->i1false;
}
si_llvm_emit_kill(&ctx->abi, visible);
struct lp_build_emit_data *emit_data)
{
struct si_shader_context *ctx = si_shader_context(bld_base);
- LLVMValueRef floor_index = lp_build_emit_llvm_unary(bld_base, TGSI_OPCODE_FLR, emit_data->args[0]);
+ LLVMValueRef floor_index =
+ ac_build_intrinsic(&ctx->ac, "llvm.floor.f32", ctx->f32,
+ &emit_data->args[0], 1, AC_FUNC_ATTR_READNONE);
emit_data->output[emit_data->chan] = LLVMBuildFPToSI(ctx->ac.builder,
floor_index, ctx->i32, "");
}
{
struct si_shader_context *ctx = si_shader_context(bld_base);
emit_data->output[emit_data->chan] =
- lp_build_intrinsic(ctx->ac.builder, action->intr_name,
+ ac_build_intrinsic(&ctx->ac, action->intr_name,
emit_data->dst_type, emit_data->args,
- emit_data->arg_count, LP_FUNC_ATTR_READNONE);
+ emit_data->arg_count, AC_FUNC_ATTR_READNONE);
}
static void emit_bfi(const struct lp_build_tgsi_action *action,
struct lp_build_emit_data *emit_data)
{
struct si_shader_context *ctx = si_shader_context(bld_base);
- LLVMValueRef bfe_sm5;
- LLVMValueRef cond;
- bfe_sm5 = ac_build_bfe(&ctx->ac, emit_data->args[0],
- emit_data->args[1], emit_data->args[2],
- emit_data->info->opcode == TGSI_OPCODE_IBFE);
+ /* FIXME: LLVM 7 returns incorrect result when count is 0.
+ * https://bugs.freedesktop.org/show_bug.cgi?id=107276
+ */
+ LLVMValueRef zero = ctx->i32_0;
+ LLVMValueRef bfe_sm5 =
+ ac_build_bfe(&ctx->ac, emit_data->args[0],
+ emit_data->args[1], emit_data->args[2],
+ emit_data->info->opcode == TGSI_OPCODE_IBFE);
/* Correct for GLSL semantics. */
- cond = LLVMBuildICmp(ctx->ac.builder, LLVMIntUGE, emit_data->args[2],
- LLVMConstInt(ctx->i32, 32, 0), "");
+ LLVMValueRef cond = LLVMBuildICmp(ctx->ac.builder, LLVMIntUGE, emit_data->args[2],
+ LLVMConstInt(ctx->i32, 32, 0), "");
+ LLVMValueRef cond2 = LLVMBuildICmp(ctx->ac.builder, LLVMIntEQ, emit_data->args[2],
+ zero, "");
+ bfe_sm5 = LLVMBuildSelect(ctx->ac.builder, cond, emit_data->args[0], bfe_sm5, "");
emit_data->output[emit_data->chan] =
- LLVMBuildSelect(ctx->ac.builder, cond, emit_data->args[0], bfe_sm5, "");
+ LLVMBuildSelect(ctx->ac.builder, cond2, zero, bfe_sm5, "");
}
/* this is ffs in C */
struct si_shader_context *ctx = si_shader_context(bld_base);
emit_data->output[emit_data->chan] =
- lp_build_emit_llvm_binary(bld_base, TGSI_OPCODE_IMAX,
- emit_data->args[0],
- LLVMBuildNeg(ctx->ac.builder,
- emit_data->args[0], ""));
+ ac_build_imax(&ctx->ac, emit_data->args[0],
+ LLVMBuildNeg(ctx->ac.builder, emit_data->args[0], ""));
}
static void emit_minmax_int(const struct lp_build_tgsi_action *action,
emit_data->args[1], "");
}
-static void pk2h_fetch_args(struct lp_build_tgsi_context *bld_base,
- struct lp_build_emit_data *emit_data)
-{
- emit_data->args[0] = lp_build_emit_fetch(bld_base, emit_data->inst,
- 0, TGSI_CHAN_X);
- emit_data->args[1] = lp_build_emit_fetch(bld_base, emit_data->inst,
- 0, TGSI_CHAN_Y);
-}
-
static void emit_pk2h(const struct lp_build_tgsi_action *action,
struct lp_build_tgsi_context *bld_base,
struct lp_build_emit_data *emit_data)
{
+ struct si_shader_context *ctx = si_shader_context(bld_base);
+ LLVMValueRef v[] = {
+ lp_build_emit_fetch(bld_base, emit_data->inst, 0, TGSI_CHAN_X),
+ lp_build_emit_fetch(bld_base, emit_data->inst, 0, TGSI_CHAN_Y),
+ };
+
+
/* From the GLSL 4.50 spec:
* "The rounding mode cannot be set and is undefined."
*
* v_cvt_pkrtz_f16 rounds to zero, but it's fastest.
*/
emit_data->output[emit_data->chan] =
- ac_build_cvt_pkrtz_f16(&si_shader_context(bld_base)->ac,
- emit_data->args);
-}
-
-static void up2h_fetch_args(struct lp_build_tgsi_context *bld_base,
- struct lp_build_emit_data *emit_data)
-{
- emit_data->args[0] = lp_build_emit_fetch(bld_base, emit_data->inst,
- 0, TGSI_CHAN_X);
+ LLVMBuildBitCast(ctx->ac.builder, ac_build_cvt_pkrtz_f16(&ctx->ac, v),
+ ctx->i32, "");
}
static void emit_up2h(const struct lp_build_tgsi_action *action,
i16 = LLVMInt16TypeInContext(ctx->ac.context);
const16 = LLVMConstInt(ctx->i32, 16, 0);
- input = emit_data->args[0];
+ input = lp_build_emit_fetch(bld_base, emit_data->inst, 0, TGSI_CHAN_X);
for (i = 0; i < 2; i++) {
val = i == 1 ? LLVMBuildLShr(ctx->ac.builder, input, const16, "") : input;
struct si_shader_context *ctx = si_shader_context(bld_base);
LLVMValueRef sqrt =
- lp_build_emit_llvm_unary(bld_base, TGSI_OPCODE_SQRT,
- emit_data->args[0]);
+ ac_build_intrinsic(&ctx->ac, "llvm.sqrt.f32", ctx->f32,
+ &emit_data->args[0], 1, AC_FUNC_ATTR_READNONE);
emit_data->output[emit_data->chan] =
- lp_build_emit_llvm_binary(bld_base, TGSI_OPCODE_DIV,
- ctx->ac.f32_1, sqrt);
-}
-
-static void dfracexp_fetch_args(struct lp_build_tgsi_context *bld_base,
- struct lp_build_emit_data *emit_data)
-{
- emit_data->args[0] = lp_build_emit_fetch(bld_base, emit_data->inst, 0, TGSI_CHAN_X);
- emit_data->arg_count = 1;
+ ac_build_fdiv(&ctx->ac, ctx->ac.f32_1, sqrt);
}
static void dfracexp_emit(const struct lp_build_tgsi_action *action,
struct lp_build_emit_data *emit_data)
{
struct si_shader_context *ctx = si_shader_context(bld_base);
+ LLVMValueRef in = lp_build_emit_fetch(bld_base, emit_data->inst, 0, TGSI_CHAN_X);
emit_data->output[emit_data->chan] =
- lp_build_intrinsic(ctx->ac.builder, "llvm.amdgcn.frexp.mant.f64",
- ctx->ac.f64, &emit_data->args[0], 1, 0);
+ ac_build_intrinsic(&ctx->ac, "llvm.amdgcn.frexp.mant.f64",
+ ctx->ac.f64, &in, 1, 0);
emit_data->output1[emit_data->chan] =
- lp_build_intrinsic(ctx->ac.builder, "llvm.amdgcn.frexp.exp.i32.f64",
- ctx->ac.i32, &emit_data->args[0], 1, 0);
+ ac_build_intrinsic(&ctx->ac, "llvm.amdgcn.frexp.exp.i32.f64",
+ ctx->ac.i32, &in, 1, 0);
}
void si_shader_context_init_alu(struct lp_build_tgsi_context *bld_base)
bld_base->op_actions[TGSI_OPCODE_DSQRT].intr_name = "llvm.sqrt.f64";
bld_base->op_actions[TGSI_OPCODE_DTRUNC].emit = build_tgsi_intrinsic_nomem;
bld_base->op_actions[TGSI_OPCODE_DTRUNC].intr_name = "llvm.trunc.f64";
- bld_base->op_actions[TGSI_OPCODE_DFRACEXP].fetch_args = dfracexp_fetch_args;
bld_base->op_actions[TGSI_OPCODE_DFRACEXP].emit = dfracexp_emit;
bld_base->op_actions[TGSI_OPCODE_DLDEXP].emit = build_tgsi_intrinsic_nomem;
bld_base->op_actions[TGSI_OPCODE_DLDEXP].intr_name = "llvm.amdgcn.ldexp.f64";
bld_base->op_actions[TGSI_OPCODE_ISLT].emit = emit_icmp;
bld_base->op_actions[TGSI_OPCODE_ISSG].emit = emit_ssg;
bld_base->op_actions[TGSI_OPCODE_I2F].emit = emit_i2f;
- bld_base->op_actions[TGSI_OPCODE_KILL_IF].fetch_args = kill_if_fetch_args;
bld_base->op_actions[TGSI_OPCODE_KILL_IF].emit = kil_emit;
bld_base->op_actions[TGSI_OPCODE_KILL].emit = kil_emit;
bld_base->op_actions[TGSI_OPCODE_LDEXP].emit = build_tgsi_intrinsic_nomem;
bld_base->op_actions[TGSI_OPCODE_UMSB].emit = emit_umsb;
bld_base->op_actions[TGSI_OPCODE_NOT].emit = emit_not;
bld_base->op_actions[TGSI_OPCODE_OR].emit = emit_or;
- bld_base->op_actions[TGSI_OPCODE_PK2H].fetch_args = pk2h_fetch_args;
bld_base->op_actions[TGSI_OPCODE_PK2H].emit = emit_pk2h;
bld_base->op_actions[TGSI_OPCODE_POPC].emit = build_tgsi_intrinsic_nomem;
bld_base->op_actions[TGSI_OPCODE_POPC].intr_name = "llvm.ctpop.i32";
bld_base->op_actions[TGSI_OPCODE_U2F].emit = emit_u2f;
bld_base->op_actions[TGSI_OPCODE_XOR].emit = emit_xor;
bld_base->op_actions[TGSI_OPCODE_UCMP].emit = emit_ucmp;
- bld_base->op_actions[TGSI_OPCODE_UP2H].fetch_args = up2h_fetch_args;
bld_base->op_actions[TGSI_OPCODE_UP2H].emit = emit_up2h;
bld_base->op_actions[TGSI_OPCODE_I64MAX].emit = emit_minmax_int;
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