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authorRhys Perry <[email protected]>2018-12-06 14:35:23 +0000
committerRhys Perry <[email protected]>2019-02-19 11:04:41 +0000
commit6971e8d34287d5cde43cadd4f9c3b0af0907e1a3 (patch)
tree25353148188b17141d99c92ee2891c753bf6bcaf /src/amd/common
parent2038aec22ad4063bb3d7f213e1bfab9b944813d8 (diff)
ac/nir: implement half-float nir_op_frsq
v2: don't use ac_get_onef() Signed-off-by: Rhys Perry <[email protected]> Reviewed-by: Samuel Pitoiset <[email protected]>
Diffstat (limited to 'src/amd/common')
-rw-r--r--src/amd/common/ac_nir_to_llvm.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c
index 8a4346ebc14..a76687930d8 100644
--- a/src/amd/common/ac_nir_to_llvm.c
+++ b/src/amd/common/ac_nir_to_llvm.c
@@ -788,8 +788,7 @@ static void visit_alu(struct ac_nir_context *ctx, const nir_alu_instr *instr)
case nir_op_frsq:
result = emit_intrin_1f_param(&ctx->ac, "llvm.sqrt",
ac_to_float_type(&ctx->ac, def_type), src[0]);
- result = ac_build_fdiv(&ctx->ac, instr->dest.dest.ssa.bit_size == 32 ? ctx->ac.f32_1 : ctx->ac.f64_1,
- result);
+ result = ac_build_fdiv(&ctx->ac, LLVMConstReal(LLVMTypeOf(result), 1.0), result);
break;
case nir_op_frexp_exp:
src[0] = ac_to_float(&ctx->ac, src[0]);