[Mesa-dev] [PATCH 1/2] ac: implement nir_op_ldexp
Timothy Arceri
tarceri at itsqueeze.com
Tue Feb 27 08:40:37 UTC 2018
---
src/amd/common/ac_nir_to_llvm.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c
index c25ae121e2..fc0a01ade8 100644
--- a/src/amd/common/ac_nir_to_llvm.c
+++ b/src/amd/common/ac_nir_to_llvm.c
@@ -1907,6 +1907,13 @@ static void visit_alu(struct ac_nir_context *ctx, const nir_alu_instr *instr)
result = emit_intrin_3f_param(&ctx->ac, "llvm.fmuladd",
ac_to_float_type(&ctx->ac, def_type), src[0], src[1], src[2]);
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)
+ result = ac_build_intrinsic(&ctx->ac, "llvm.amdgcn.ldexp.f32", ctx->ac.f32, 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;
case nir_op_ibitfield_extract:
result = emit_bitfield_extract(&ctx->ac, true, src);
break;
--
2.14.3
More information about the mesa-dev
mailing list