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Add simd_clamp

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This commit is contained in:
gingerBill
2022-05-26 11:58:55 +01:00
parent e331b0647e
commit f3f6c12a7c
5 changed files with 87 additions and 5 deletions
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src/llvm_backend_proc.cpp
+22
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@@ -1412,6 +1412,28 @@ lbValue lb_build_builtin_simd_proc(lbProcedure *p, Ast *expr, TypeAndValue const
return res;
}
case BuiltinProc_simd_clamp:
{
arg1 = lb_build_expr(p, ce->args[1]);
arg2 = lb_build_expr(p, ce->args[2]);
LLVMValueRef v = arg0.value;
LLVMValueRef min = arg1.value;
LLVMValueRef max = arg2.value;
if (is_float) {
v = LLVMBuildSelect(p->builder, LLVMBuildFCmp(p->builder, LLVMRealOLT, v, min, ""), min, v, "");
res.value = LLVMBuildSelect(p->builder, LLVMBuildFCmp(p->builder, LLVMRealOGT, v, max, ""), max, v, "");
} else if (is_signed) {
v = LLVMBuildSelect(p->builder, LLVMBuildICmp(p->builder, LLVMIntSLT, v, min, ""), min, v, "");
res.value = LLVMBuildSelect(p->builder, LLVMBuildICmp(p->builder, LLVMIntSGT, v, max, ""), max, v, "");
} else {
v = LLVMBuildSelect(p->builder, LLVMBuildICmp(p->builder, LLVMIntULT, v, min, ""), min, v, "");
res.value = LLVMBuildSelect(p->builder, LLVMBuildICmp(p->builder, LLVMIntUGT, v, max, ""), max, v, "");
}
return res;
}
}
GB_PANIC("Unhandled simd intrinsic: '%.*s'", LIT(builtin_procs[builtin_id].name));