diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/gallium/auxiliary/gallivm/lp_bld_pack.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_pack.c b/src/gallium/auxiliary/gallivm/lp_bld_pack.c index 7748f8f099..ecfb13a0d4 100644 --- a/src/gallium/auxiliary/gallivm/lp_bld_pack.c +++ b/src/gallium/auxiliary/gallivm/lp_bld_pack.c @@ -261,13 +261,14 @@ lp_build_pack2(LLVMBuilderRef builder, #endif LLVMTypeRef dst_vec_type = lp_build_vec_type(dst_type); LLVMValueRef shuffle; - LLVMValueRef res; + LLVMValueRef res = NULL; assert(!src_type.floating); assert(!dst_type.floating); assert(src_type.width == dst_type.width * 2); assert(src_type.length * 2 == dst_type.length); + /* Check for special cases first */ if(util_cpu_caps.has_sse2 && src_type.width * src_type.length == 128) { switch(src_type.width) { case 32: @@ -283,8 +284,8 @@ lp_build_pack2(LLVMBuilderRef builder, return lp_build_intrinsic_binary(builder, "llvm.x86.sse41.packusdw", dst_vec_type, lo, hi); } else { - assert(0); - return LLVMGetUndef(dst_vec_type); + /* use generic shuffle below */ + res = NULL; } } break; @@ -310,10 +311,13 @@ lp_build_pack2(LLVMBuilderRef builder, break; } - res = LLVMBuildBitCast(builder, res, dst_vec_type, ""); - return res; + if (res) { + res = LLVMBuildBitCast(builder, res, dst_vec_type, ""); + return res; + } } + /* generic shuffle */ lo = LLVMBuildBitCast(builder, lo, dst_vec_type, ""); hi = LLVMBuildBitCast(builder, hi, dst_vec_type, ""); |