Module: Mesa Branch: master Commit: 52c02d921f94aec3635fc4352c2deccbb9e718ea URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=52c02d921f94aec3635fc4352c2deccbb9e718ea
Author: Samuel Pitoiset <[email protected]> Date: Fri Mar 22 11:59:32 2019 +0100 ac: add ac_build_frex_exp() helper ans 16-bit/32-bit support Signed-off-by: Samuel Pitoiset <[email protected]> Reviewed-by: Bas Nieuwenhuizen <[email protected]> --- src/amd/common/ac_llvm_build.c | 24 ++++++++++++++++++++++++ src/amd/common/ac_llvm_build.h | 4 ++++ src/amd/common/ac_nir_to_llvm.c | 8 +++++--- 3 files changed, 33 insertions(+), 3 deletions(-) diff --git a/src/amd/common/ac_llvm_build.c b/src/amd/common/ac_llvm_build.c index 4fd1d14b78f..5572b244720 100644 --- a/src/amd/common/ac_llvm_build.c +++ b/src/amd/common/ac_llvm_build.c @@ -3928,6 +3928,30 @@ ac_build_shuffle(struct ac_llvm_context *ctx, LLVMValueRef src, LLVMValueRef ind } LLVMValueRef +ac_build_frexp_exp(struct ac_llvm_context *ctx, LLVMValueRef src0, + unsigned bitsize) +{ + LLVMTypeRef type; + char *intr; + + if (bitsize == 16) { + intr = "llvm.amdgcn.frexp.exp.i16.f16"; + type = ctx->i16; + } else if (bitsize == 32) { + intr = "llvm.amdgcn.frexp.exp.i32.f32"; + type = ctx->i32; + } else { + intr = "llvm.amdgcn.frexp.exp.i32.f64"; + type = ctx->i64; + } + + LLVMValueRef params[] = { + src0, + }; + return ac_build_intrinsic(ctx, intr, type, params, 1, + AC_FUNC_ATTR_READNONE); +} +LLVMValueRef ac_build_frexp_mant(struct ac_llvm_context *ctx, LLVMValueRef src0, unsigned bitsize) { diff --git a/src/amd/common/ac_llvm_build.h b/src/amd/common/ac_llvm_build.h index db20b39d443..c3277fd2d13 100644 --- a/src/amd/common/ac_llvm_build.h +++ b/src/amd/common/ac_llvm_build.h @@ -678,6 +678,10 @@ LLVMValueRef ac_build_shuffle(struct ac_llvm_context *ctx, LLVMValueRef src, LLVMValueRef index); LLVMValueRef +ac_build_frexp_exp(struct ac_llvm_context *ctx, LLVMValueRef src0, + unsigned bitsize); + +LLVMValueRef ac_build_frexp_mant(struct ac_llvm_context *ctx, LLVMValueRef src0, unsigned bitsize); diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c index 936d1eec34f..2321fed69f3 100644 --- a/src/amd/common/ac_nir_to_llvm.c +++ b/src/amd/common/ac_nir_to_llvm.c @@ -803,9 +803,11 @@ static void visit_alu(struct ac_nir_context *ctx, const nir_alu_instr *instr) 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); - + result = ac_build_frexp_exp(&ctx->ac, src[0], + ac_get_elem_bits(&ctx->ac, LLVMTypeOf(src[0]))); + if (ac_get_elem_bits(&ctx->ac, LLVMTypeOf(src[0])) == 16) + result = LLVMBuildSExt(ctx->ac.builder, result, + ctx->ac.i32, ""); break; case nir_op_frexp_sig: src[0] = ac_to_float(&ctx->ac, src[0]); _______________________________________________ mesa-commit mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/mesa-commit
