mirrors/llvm-project
0
0
Fork 0
mirror of https://github.com/llvm/llvm-project.git synced 2025-04-28 05:46:06 +00:00
Code Issues Projects Releases Wiki Activity

[clang][bytecode] Implement __builtin_reduce_xor (#118299)

Browse Source
This commit is contained in:
Timm Baeder 2024-12-02 16:04:49 +01:00 committed by GitHub
parent eae30a240e
commit b587b910d5
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
2 changed files with 15 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
clang/lib/AST/ByteCode/InterpBuiltin.cpp
View File

@ -1730,6 +1730,8 @@ static bool interp__builtin_vector_reduce(InterpState &S, CodePtr OpPC,
(void)T::bitAnd(Result, Elem, BitWidth, &Result);
} else if (ID == Builtin::BI__builtin_reduce_or) {
(void)T::bitOr(Result, Elem, BitWidth, &Result);
} else if (ID == Builtin::BI__builtin_reduce_xor) {
(void)T::bitXor(Result, Elem, BitWidth, &Result);
} else {
llvm_unreachable("Unhandled vector reduce builtin");
}
@ -2215,6 +2217,7 @@ bool InterpretBuiltin(InterpState &S, CodePtr OpPC, const Function *F,
case Builtin::BI__builtin_reduce_mul:
case Builtin::BI__builtin_reduce_and:
case Builtin::BI__builtin_reduce_or:
case Builtin::BI__builtin_reduce_xor:
if (!interp__builtin_vector_reduce(S, OpPC, Frame, F, Call))
return false;
break;

12
clang/test/AST/ByteCode/builtin-functions.cpp
View File

@ -1096,6 +1096,18 @@ namespace ReduceOr {
#endif
}
namespace ReduceXor {
static_assert(__builtin_reduce_xor((vector4char){}) == 0);
static_assert(__builtin_reduce_xor((vector4char){(char)0x11, (char)0x22, (char)0x44, (char)0x88}) == (char)0xFF);
static_assert(__builtin_reduce_xor((vector4short){(short)0x1111, (short)0x2222, (short)0x4444, (short)0x8888}) == (short)0xFFFF);
#if __INT_WIDTH__ == 32
static_assert(__builtin_reduce_xor((vector4int){(int)0x11111111, (int)0x22222222, (int)0x44444444, (int)0x88888888}) == (int)0xFFFFFFFF);
static_assert(__builtin_reduce_xor((vector4long){(long long)0x1111111111111111L, (long long)0x2222222222222222L, (long long)0x4444444444444444L, (long long)0x8888888888888888L}) == (long long)0xFFFFFFFFFFFFFFFFL);
static_assert(__builtin_reduce_xor((vector4uint){0x11111111U, 0x22222222U, 0x44444444U, 0x88888888U}) == 0xFFFFFFFFU);
static_assert(__builtin_reduce_xor((vector4ulong){0x1111111111111111UL, 0x2222222222222222UL, 0x4444444444444444UL, 0x8888888888888888UL}) == 0xFFFFFFFFFFFFFFFFUL);
#endif
}
namespace BuiltinMemcpy {
constexpr int simple() {
int a = 12;