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ac: add ac_build_isign()

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Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>
This commit is contained in:
Samuel Pitoiset
2018-03-02 15:01:31 +01:00
parent 459e33900f
commit e8bdde2289
4 changed files with 30 additions and 32 deletions
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src/amd/common/ac_llvm_build.c
+23
View File
@@ -1708,6 +1708,29 @@ LLVMValueRef ac_build_fract(struct ac_llvm_context *ctx, LLVMValueRef src0,
return LLVMBuildFSub(ctx->builder, src0, floor, "");
}
LLVMValueRef ac_build_isign(struct ac_llvm_context *ctx, LLVMValueRef src0,
unsigned bitsize)
{
LLVMValueRef cmp, val, zero, one;
LLVMTypeRef type;
if (bitsize == 32) {
type = ctx->i32;
zero = ctx->i32_0;
one = ctx->i32_1;
} else {
type = ctx->i64;
zero = ctx->i64_0;
one = ctx->i64_1;
}
cmp = LLVMBuildICmp(ctx->builder, LLVMIntSGT, src0, zero, "");
val = LLVMBuildSelect(ctx->builder, cmp, one, src0, "");
cmp = LLVMBuildICmp(ctx->builder, LLVMIntSGE, val, zero, "");
val = LLVMBuildSelect(ctx->builder, cmp, val, LLVMConstInt(type, -1, true), "");
return val;
}
void ac_get_image_intr_name(const char *base_name,
LLVMTypeRef data_type,
LLVMTypeRef coords_type,
src/amd/common/ac_llvm_build.h
+3
View File
@@ -338,6 +338,9 @@ void ac_build_waitcnt(struct ac_llvm_context *ctx, unsigned simm16);
LLVMValueRef ac_build_fract(struct ac_llvm_context *ctx, LLVMValueRef src0,
unsigned bitsize);
LLVMValueRef ac_build_isign(struct ac_llvm_context *ctx, LLVMValueRef src0,
unsigned bitsize);
void ac_get_image_intr_name(const char *base_name,
LLVMTypeRef data_type,
LLVMTypeRef coords_type,
src/amd/common/ac_nir_to_llvm.c
+2 -24
View File
@@ -1362,29 +1362,6 @@ static LLVMValueRef emit_fsign(struct ac_llvm_context *ctx,
return val;
}
static LLVMValueRef emit_isign(struct ac_llvm_context *ctx,
LLVMValueRef src0, unsigned bitsize)
{
LLVMValueRef cmp, val, zero, one;
LLVMTypeRef type;
if (bitsize == 32) {
type = ctx->i32;
zero = ctx->i32_0;
one = ctx->i32_1;
} else {
type = ctx->i64;
zero = ctx->i64_0;
one = ctx->i64_1;
}
cmp = LLVMBuildICmp(ctx->builder, LLVMIntSGT, src0, zero, "");
val = LLVMBuildSelect(ctx->builder, cmp, one, src0, "");
cmp = LLVMBuildICmp(ctx->builder, LLVMIntSGE, val, zero, "");
val = LLVMBuildSelect(ctx->builder, cmp, val, LLVMConstInt(type, -1, true), "");
return val;
}
static LLVMValueRef emit_uint_carry(struct ac_llvm_context *ctx,
const char *intrin,
LLVMValueRef src0, LLVMValueRef src1)
@@ -1807,7 +1784,8 @@ static void visit_alu(struct ac_nir_context *ctx, const nir_alu_instr *instr)
result = emit_minmax_int(&ctx->ac, LLVMIntULT, src[0], src[1]);
break;
case nir_op_isign:
result = emit_isign(&ctx->ac, src[0], instr->dest.dest.ssa.bit_size);
result = ac_build_isign(&ctx->ac, src[0],
instr->dest.dest.ssa.bit_size);
break;
case nir_op_fsign:
src[0] = ac_to_float(&ctx->ac, src[0]);
src/gallium/drivers/radeonsi/si_shader_tgsi_alu.c
+2 -8
View File
@@ -353,15 +353,9 @@ static void emit_ssg(const struct lp_build_tgsi_action *action,
LLVMValueRef cmp, val;
if (emit_data->inst->Instruction.Opcode == TGSI_OPCODE_I64SSG) {
cmp = LLVMBuildICmp(builder, LLVMIntSGT, emit_data->args[0], bld_base->int64_bld.zero, "");
val = LLVMBuildSelect(builder, cmp, bld_base->int64_bld.one, emit_data->args[0], "");
cmp = LLVMBuildICmp(builder, LLVMIntSGE, val, bld_base->int64_bld.zero, "");
val = LLVMBuildSelect(builder, cmp, val, LLVMConstInt(ctx->i64, -1, true), "");
val = ac_build_isign(&ctx->ac, emit_data->args[0], 64);
} else if (emit_data->inst->Instruction.Opcode == TGSI_OPCODE_ISSG) {
cmp = LLVMBuildICmp(builder, LLVMIntSGT, emit_data->args[0], ctx->i32_0, "");
val = LLVMBuildSelect(builder, cmp, ctx->i32_1, emit_data->args[0], "");
cmp = LLVMBuildICmp(builder, LLVMIntSGE, val, ctx->i32_0, "");
val = LLVMBuildSelect(builder, cmp, val, LLVMConstInt(ctx->i32, -1, true), "");
val = ac_build_isign(&ctx->ac, emit_data->args[0], 32);
} else if (emit_data->inst->Instruction.Opcode == TGSI_OPCODE_DSSG) {
cmp = LLVMBuildFCmp(builder, LLVMRealOGT, emit_data->args[0], bld_base->dbl_bld.zero, "");
val = LLVMBuildSelect(builder, cmp, bld_base->dbl_bld.one, emit_data->args[0], "");