diff options
Diffstat (limited to 'src/llvm_backend_proc.cpp')
| -rw-r--r-- | src/llvm_backend_proc.cpp | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/src/llvm_backend_proc.cpp b/src/llvm_backend_proc.cpp index 2bffa111c..1ec71bc21 100644 --- a/src/llvm_backend_proc.cpp +++ b/src/llvm_backend_proc.cpp @@ -1287,21 +1287,18 @@ lbValue lb_build_builtin_simd_proc(lbProcedure *p, Ast *expr, TypeAndValue const GB_ASSERT(vt->kind == Type_SimdVector); - i64 mask_count = ce->args.count-2; + i64 indices_count = ce->args.count-2; i64 max_count = vt->SimdVector.count*2; - LLVMValueRef *values = gb_alloc_array(temporary_allocator(), LLVMValueRef, mask_count); + LLVMValueRef *values = gb_alloc_array(temporary_allocator(), LLVMValueRef, indices_count); for (isize i = 0; i < max_count; i++) { lbValue idx = lb_build_expr(p, ce->args[i+2]); GB_ASSERT(LLVMIsConstant(idx.value)); values[i] = idx.value; } - LLVMValueRef mask = LLVMConstVector(values, cast(unsigned)mask_count); + LLVMValueRef indices = LLVMConstVector(values, cast(unsigned)indices_count); - LLVMValueRef max_mask = llvm_splat_int(mask_count, lb_type(m, t_u32), max_count-1); - mask = LLVMBuildAnd(p->builder, mask, max_mask, ""); - - res.value = LLVMBuildShuffleVector(p->builder, arg0.value, arg1.value, mask, ""); + res.value = LLVMBuildShuffleVector(p->builder, arg0.value, arg1.value, indices, ""); return res; } |