diff options
| author | Samuel Pitoiset <[email protected]> | 2019-03-21 15:47:04 +0100 |
|---|---|---|
| committer | Samuel Pitoiset <[email protected]> | 2019-03-28 13:02:46 +0100 |
| commit | 1bf9311c59d8a941680a69159e894a0883b8db7b (patch) | |
| tree | fc7dd6a856fc9cd75ada3c731474d58ae3707f2c /src/amd | |
| parent | de783a6897e0f67f456793b10c48f24e5ee70a85 (diff) | |
ac: add ac_build_frexp_mant() helper and 16-bit/32-bit support
Signed-off-by: Samuel Pitoiset <[email protected]>
Reviewed-by: Bas Nieuwenhuizen <[email protected]>
Diffstat (limited to 'src/amd')
| -rw-r--r-- | src/amd/common/ac_llvm_build.c | 25 | ||||
| -rw-r--r-- | src/amd/common/ac_llvm_build.h | 4 | ||||
| -rw-r--r-- | src/amd/common/ac_nir_to_llvm.c | 4 |
3 files changed, 31 insertions, 2 deletions
diff --git a/src/amd/common/ac_llvm_build.c b/src/amd/common/ac_llvm_build.c index 04d4b377fd1..4fd1d14b78f 100644 --- a/src/amd/common/ac_llvm_build.c +++ b/src/amd/common/ac_llvm_build.c @@ -3926,3 +3926,28 @@ ac_build_shuffle(struct ac_llvm_context *ctx, LLVMValueRef src, LLVMValueRef ind AC_FUNC_ATTR_READNONE | AC_FUNC_ATTR_CONVERGENT); } + +LLVMValueRef +ac_build_frexp_mant(struct ac_llvm_context *ctx, LLVMValueRef src0, + unsigned bitsize) +{ + LLVMTypeRef type; + char *intr; + + if (bitsize == 16) { + intr = "llvm.amdgcn.frexp.mant.f16"; + type = ctx->f16; + } else if (bitsize == 32) { + intr = "llvm.amdgcn.frexp.mant.f32"; + type = ctx->f32; + } else { + intr = "llvm.amdgcn.frexp.mant.f64"; + type = ctx->f64; + } + + LLVMValueRef params[] = { + src0, + }; + return ac_build_intrinsic(ctx, intr, type, params, 1, + AC_FUNC_ATTR_READNONE); +} diff --git a/src/amd/common/ac_llvm_build.h b/src/amd/common/ac_llvm_build.h index 14c1c56522b..db20b39d443 100644 --- a/src/amd/common/ac_llvm_build.h +++ b/src/amd/common/ac_llvm_build.h @@ -677,6 +677,10 @@ ac_build_quad_swizzle(struct ac_llvm_context *ctx, LLVMValueRef src, LLVMValueRef ac_build_shuffle(struct ac_llvm_context *ctx, LLVMValueRef src, LLVMValueRef index); +LLVMValueRef +ac_build_frexp_mant(struct ac_llvm_context *ctx, LLVMValueRef src0, + unsigned bitsize); + #ifdef __cplusplus } #endif diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c index f16be5c0f2a..936d1eec34f 100644 --- a/src/amd/common/ac_nir_to_llvm.c +++ b/src/amd/common/ac_nir_to_llvm.c @@ -809,8 +809,8 @@ static void visit_alu(struct ac_nir_context *ctx, const nir_alu_instr *instr) 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); + result = ac_build_frexp_mant(&ctx->ac, src[0], + instr->dest.dest.ssa.bit_size); break; case nir_op_fpow: result = emit_intrin_2f_param(&ctx->ac, "llvm.pow", |