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| author | Barinzaya <barinzaya@gmail.com> | 2025-02-20 17:05:07 -0500 |
|---|---|---|
| committer | Barinzaya <barinzaya@gmail.com> | 2025-02-20 17:05:07 -0500 |
| commit | 266e84103ef92464e6f31dda91f3aa6587d8efea (patch) | |
| tree | fb1706aa57985fe3ae3d960a48d779c06c926cde /src/llvm_backend_expr.cpp | |
| parent | c25ac939d4bd86d51c383e96232da1d241c6a504 (diff) | |
Fixed an issue with SIMD vector equality.
Comparing SIMD vectors with `==` was checking that the mask of elements
that matched was not 0, meaning it succeeded if *any* element was equal,
rather than if *all* elements were equal.
Diffstat (limited to 'src/llvm_backend_expr.cpp')
| -rw-r--r-- | src/llvm_backend_expr.cpp | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/llvm_backend_expr.cpp b/src/llvm_backend_expr.cpp index 693f2e225..9e115b9ca 100644 --- a/src/llvm_backend_expr.cpp +++ b/src/llvm_backend_expr.cpp @@ -3004,7 +3004,16 @@ gb_internal lbValue lb_emit_comp(lbProcedure *p, TokenKind op_kind, lbValue left LLVMTypeRef mask_int_type = LLVMIntTypeInContext(p->module->ctx, cast(unsigned)(8*type_size_of(a))); LLVMValueRef mask_int = LLVMBuildBitCast(p->builder, mask, mask_int_type, ""); - res.value = LLVMBuildICmp(p->builder, LLVMIntNE, mask_int, LLVMConstNull(LLVMTypeOf(mask_int)), ""); + + switch (op_kind) { + case Token_CmpEq: + res.value = LLVMBuildICmp(p->builder, LLVMIntEQ, mask_int, LLVMConstInt(mask_int_type, U64_MAX, true), ""); + break; + case Token_NotEq: + res.value = LLVMBuildICmp(p->builder, LLVMIntNE, mask_int, LLVMConstNull(mask_int_type), ""); + break; + } + return res; } else { |