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authorTimothy Arceri <[email protected]>2018-03-20 13:07:22 +1100
committerTimothy Arceri <[email protected]>2018-03-22 12:42:34 +1100
commitc135316555ccd052da544e79166f81dece55cebb (patch)
treeaf2a52f41e2f9737a81e98ab41f4892058741bfe /src/amd/common
parentcca214174549af3d608e252d8642c2e194c910ed (diff)
ac/nir_to_llvm: add frexp support
Fixes CTS tests: KHR-GL40.gpu_shader_fp64.builtin.frexp_double KHR-GL40.gpu_shader_fp64.builtin.frexp_dvec2 KHR-GL40.gpu_shader_fp64.builtin.frexp_dvec3 KHR-GL40.gpu_shader_fp64.builtin.frexp_dvec4 And piglit test: tests/spec/arb_gpu_shader_fp64/execution/built-in-functions/fs-frexp-dvec4.shader_test Reviewed-by: Bas Nieuwenhuizen <[email protected]> Reviewed-by: Marek Olšák <[email protected]>
Diffstat (limited to 'src/amd/common')
-rw-r--r--src/amd/common/ac_nir_to_llvm.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c
index b0c0d76b470..d23f4fc1e8b 100644
--- a/src/amd/common/ac_nir_to_llvm.c
+++ b/src/amd/common/ac_nir_to_llvm.c
@@ -728,6 +728,17 @@ static void visit_alu(struct ac_nir_context *ctx, const nir_alu_instr *instr)
result = ac_build_fdiv(&ctx->ac, instr->dest.dest.ssa.bit_size == 32 ? ctx->ac.f32_1 : ctx->ac.f64_1,
result);
break;
+ case nir_op_frexp_exp:
+ src[0] = ac_to_float(&ctx->ac, src[0]);
+ result = ac_build_intrinsic(&ctx->ac, "llvm.amdgcn.frexp.exp.i32.f64",
+ ctx->ac.i32, src, 1, AC_FUNC_ATTR_READNONE);
+
+ break;
+ case nir_op_frexp_sig:
+ src[0] = ac_to_float(&ctx->ac, src[0]);
+ result = ac_build_intrinsic(&ctx->ac, "llvm.amdgcn.frexp.mant.f64",
+ ctx->ac.f64, src, 1, AC_FUNC_ATTR_READNONE);
+ break;
case nir_op_fmax:
result = emit_intrin_2f_param(&ctx->ac, "llvm.maxnum",
ac_to_float_type(&ctx->ac, def_type), src[0], src[1]);