From c135316555ccd052da544e79166f81dece55cebb Mon Sep 17 00:00:00 2001 From: Timothy Arceri Date: Tue, 20 Mar 2018 13:07:22 +1100 Subject: [PATCH] ac/nir_to_llvm: add frexp support MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit 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 Reviewed-by: Marek Olšák --- src/amd/common/ac_nir_to_llvm.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c index b0c0d76..d23f4fc1 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]); -- 2.7.4