diff options
| author | Jose Fonseca <[email protected]> | 2016-04-01 11:51:27 +0100 |
|---|---|---|
| committer | Jose Fonseca <[email protected]> | 2016-04-03 22:09:09 +0100 |
| commit | a293f57e1357e6affa319cd07199b457c0aead47 (patch) | |
| tree | a9551a945723531980934c5f36c4e9b5f476e161 | |
| parent | e4f01da15d8c6ce3e8c77ff3ff3d2ce2574a3f7b (diff) | |
gallivm: Use llvm.fabs.
Exactly the same code.
Reviewed-by: Roland Scheidegger <[email protected]>
| -rw-r--r-- | src/gallium/auxiliary/gallivm/lp_bld_arit.c | 11 |
1 files changed, 3 insertions, 8 deletions
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_arit.c b/src/gallium/auxiliary/gallivm/lp_bld_arit.c index 12777436d7c..587c83acfa0 100644 --- a/src/gallium/auxiliary/gallivm/lp_bld_arit.c +++ b/src/gallium/auxiliary/gallivm/lp_bld_arit.c @@ -1492,14 +1492,9 @@ lp_build_abs(struct lp_build_context *bld, return a; if(type.floating) { - /* Mask out the sign bit */ - LLVMTypeRef int_vec_type = lp_build_int_vec_type(bld->gallivm, type); - unsigned long long absMask = ~(1ULL << (type.width - 1)); - LLVMValueRef mask = lp_build_const_int_vec(bld->gallivm, type, ((unsigned long long) absMask)); - a = LLVMBuildBitCast(builder, a, int_vec_type, ""); - a = LLVMBuildAnd(builder, a, mask, ""); - a = LLVMBuildBitCast(builder, a, vec_type, ""); - return a; + char intrinsic[32]; + util_snprintf(intrinsic, sizeof intrinsic, "llvm.fabs.v%uf%u", type.length, type.width); + return lp_build_intrinsic_unary(builder, intrinsic, vec_type, a); } if(type.width*type.length == 128 && util_cpu_caps.has_ssse3) { |