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authorgingerBill <bill@gingerbill.org>2022-05-26 11:58:55 +0100
committergingerBill <bill@gingerbill.org>2022-05-26 11:58:55 +0100
commitf3f6c12a7cc6dca745ae40744a5220878ff9261e (patch)
tree7201383270e98666664f90f74d1790f4d4fd0601 /src/llvm_backend_proc.cpp
parente331b0647e99a07b5d0f70cbac948ab30b30b5c7 (diff)
Add `simd_clamp`
Diffstat (limited to 'src/llvm_backend_proc.cpp')
-rw-r--r--src/llvm_backend_proc.cpp22
1 files changed, 22 insertions, 0 deletions
diff --git a/src/llvm_backend_proc.cpp b/src/llvm_backend_proc.cpp
index c433334d1..97bb02ba3 100644
--- a/src/llvm_backend_proc.cpp
+++ b/src/llvm_backend_proc.cpp
@@ -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));