[Mesa-dev] [PATCH 15/38] ac/nir: implement half-float nir_op_ldexp
Rhys Perry
pendingchaos02 at gmail.com
Fri Dec 7 17:22:08 UTC 2018
Signed-off-by: Rhys Perry <pendingchaos02 at gmail.com>
---
src/amd/common/ac_nir_to_llvm.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c
index b447da092f..bb7c421606 100644
--- a/src/amd/common/ac_nir_to_llvm.c
+++ b/src/amd/common/ac_nir_to_llvm.c
@@ -829,8 +829,10 @@ static void visit_alu(struct ac_nir_context *ctx, const nir_alu_instr *instr)
break;
case nir_op_ldexp:
src[0] = ac_to_float(&ctx->ac, src[0]);
- if (ac_get_elem_bits(&ctx->ac, LLVMTypeOf(src[0])) == 32)
+ if (ac_get_elem_bits(&ctx->ac, def_type) == 32)
result = ac_build_intrinsic(&ctx->ac, "llvm.amdgcn.ldexp.f32", ctx->ac.f32, src, 2, AC_FUNC_ATTR_READNONE);
+ else if (ac_get_elem_bits(&ctx->ac, def_type) == 16)
+ result = ac_build_intrinsic(&ctx->ac, "llvm.amdgcn.ldexp.f16", ctx->ac.f16, src, 2, AC_FUNC_ATTR_READNONE);
else
result = ac_build_intrinsic(&ctx->ac, "llvm.amdgcn.ldexp.f64", ctx->ac.f64, src, 2, AC_FUNC_ATTR_READNONE);
break;
--
2.19.2
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