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Remove use of llvm.(max|min)num in SIMD builtins

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This commit is contained in:
misomosi
2026-07-02 09:56:38 -04:00
parent f276d77c0c
commit b5e3b08a8c
1 changed files with 4 additions and 18 deletions
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22
src/llvm_backend_proc.cpp
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@@ -1693,15 +1693,8 @@ gb_internal lbValue lb_build_builtin_simd_proc(lbProcedure *p, Ast *expr, TypeAn
return res;
case BuiltinProc_simd_min:
if (is_float) {
bool use_llvm_intrinsic = !is_arch_wasm();
if (use_llvm_intrinsic) {
LLVMValueRef args[2] = {arg0.value, arg1.value};
LLVMTypeRef types[1] = {lb_type(p->module, res.type)};
res.value = lb_call_intrinsic(p, "llvm.minnum", args, gb_count_of(args), types, gb_count_of(types));
} else {
LLVMValueRef cond = LLVMBuildFCmp(p->builder, LLVMRealOLT, arg0.value, arg1.value, "");
res.value = LLVMBuildSelect(p->builder, cond, arg0.value, arg1.value, "");
}
LLVMValueRef cond = LLVMBuildFCmp(p->builder, LLVMRealOLT, arg0.value, arg1.value, "");
res.value = LLVMBuildSelect(p->builder, cond, arg0.value, arg1.value, "");
} else {
LLVMValueRef cond = LLVMBuildICmp(p->builder, is_signed ? LLVMIntSLT : LLVMIntULT, arg0.value, arg1.value, "");
res.value = LLVMBuildSelect(p->builder, cond, arg0.value, arg1.value, "");
@@ -1709,15 +1702,8 @@ gb_internal lbValue lb_build_builtin_simd_proc(lbProcedure *p, Ast *expr, TypeAn
return res;
case BuiltinProc_simd_max:
if (is_float) {
bool use_llvm_intrinsic = !is_arch_wasm();
if (use_llvm_intrinsic) {
LLVMValueRef args[2] = {arg0.value, arg1.value};
LLVMTypeRef types[1] = {lb_type(p->module, res.type)};
res.value = lb_call_intrinsic(p, "llvm.maxnum", args, gb_count_of(args), types, gb_count_of(types));
} else {
LLVMValueRef cond = LLVMBuildFCmp(p->builder, LLVMRealOGT, arg0.value, arg1.value, "");
res.value = LLVMBuildSelect(p->builder, cond, arg0.value, arg1.value, "");
}
LLVMValueRef cond = LLVMBuildFCmp(p->builder, LLVMRealOGT, arg0.value, arg1.value, "");
res.value = LLVMBuildSelect(p->builder, cond, arg0.value, arg1.value, "");
} else {
LLVMValueRef cond = LLVMBuildICmp(p->builder, is_signed ? LLVMIntSGT : LLVMIntUGT, arg0.value, arg1.value, "");
res.value = LLVMBuildSelect(p->builder, cond, arg0.value, arg1.value, "");