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ac/nir: fix emission of ffract for 64-bit

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Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
This commit is contained in:
Samuel Pitoiset 2018-01-31 11:23:58 +01:00
parent 2f0db33527
commit 26cc3e74b9
1 changed files with 16 additions and 7 deletions
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23
src/amd/common/ac_nir_to_llvm.c
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@ -1383,15 +1383,24 @@ static LLVMValueRef emit_isign(struct ac_llvm_context *ctx,
}
static LLVMValueRef emit_ffract(struct ac_llvm_context *ctx,
LLVMValueRef src0)
LLVMValueRef src0, unsigned bitsize)
{
const char *intr = "llvm.floor.f32";
LLVMTypeRef type;
char *intr;
if (bitsize == 32) {
intr = "llvm.floor.f32";
type = ctx->f32;
} else {
intr = "llvm.floor.f64";
type = ctx->f64;
}
LLVMValueRef fsrc0 = ac_to_float(ctx, src0);
LLVMValueRef params[] = {
fsrc0,
};
LLVMValueRef floor = ac_build_intrinsic(ctx, intr,
ctx->f32, params, 1,
LLVMValueRef floor = ac_build_intrinsic(ctx, intr, type, params, 1,
AC_FUNC_ATTR_READNONE);
return LLVMBuildFSub(ctx->builder, fsrc0, floor, "");
}
@ -1845,7 +1854,7 @@ static void visit_alu(struct ac_nir_context *ctx, const nir_alu_instr *instr)
ac_to_float_type(&ctx->ac, def_type),src[0]);
break;
case nir_op_ffract:
result = emit_ffract(&ctx->ac, src[0]);
result = emit_ffract(&ctx->ac, src[0], instr->dest.dest.ssa.bit_size);
break;
case nir_op_fsin:
result = emit_intrin_1f_param(&ctx->ac, "llvm.sin",
@ -4026,8 +4035,8 @@ static LLVMValueRef load_sample_pos(struct ac_nir_context *ctx)
{
LLVMValueRef values[2];
values[0] = emit_ffract(&ctx->ac, ctx->abi->frag_pos[0]);
values[1] = emit_ffract(&ctx->ac, ctx->abi->frag_pos[1]);
values[0] = emit_ffract(&ctx->ac, ctx->abi->frag_pos[0], 32);
values[1] = emit_ffract(&ctx->ac, ctx->abi->frag_pos[1], 32);
return ac_build_gather_values(&ctx->ac, values, 2);
}