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authorTimothy Arceri <[email protected]>2018-02-27 19:37:59 +1100
committerTimothy Arceri <[email protected]>2018-02-28 09:23:49 +1100
commit08fa84bb9adf81aa13422501fef8f077b51ef682 (patch)
tree6da31020cdc69cd39692b1392eebf281301a55f7 /src/amd/common
parent9790921ff5c88ad860c55ba21ef1d66afd9ab2dc (diff)
ac: implement nir_op_ldexp
Reviewed-by: Marek Olšák <[email protected]>
Diffstat (limited to 'src/amd/common')
-rw-r--r--src/amd/common/ac_nir_to_llvm.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c
index b01012833fe..44d96d27d7f 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;