diff options
Diffstat (limited to 'clang')
| -rw-r--r-- | clang/lib/Sema/SemaChecking.cpp | 4 | ||||
| -rw-r--r-- | clang/test/Sema/builtins-x86.c | 13 |
2 files changed, 16 insertions, 1 deletions
diff --git a/clang/lib/Sema/SemaChecking.cpp b/clang/lib/Sema/SemaChecking.cpp index 7d17b0ecd49..c43f656c2f4 100644 --- a/clang/lib/Sema/SemaChecking.cpp +++ b/clang/lib/Sema/SemaChecking.cpp @@ -3546,9 +3546,11 @@ bool Sema::CheckX86BuiltinRoundingOrSAE(unsigned BuiltinID, CallExpr *TheCall) { // Make sure rounding mode is either ROUND_CUR_DIRECTION or ROUND_NO_EXC bit // is set. If the intrinsic has rounding control(bits 1:0), make sure its only - // combined with ROUND_NO_EXC. + // combined with ROUND_NO_EXC. If the intrinsic does not have rounding + // control, allow ROUND_NO_EXC and ROUND_CUR_DIRECTION together. if (Result == 4/*ROUND_CUR_DIRECTION*/ || Result == 8/*ROUND_NO_EXC*/ || + (!HasRC && Result == 12/*ROUND_CUR_DIRECTION|ROUND_NO_EXC*/) || (HasRC && Result.getZExtValue() >= 8 && Result.getZExtValue() <= 11)) return false; diff --git a/clang/test/Sema/builtins-x86.c b/clang/test/Sema/builtins-x86.c index 6a2a47d7792..dca0bdc720a 100644 --- a/clang/test/Sema/builtins-x86.c +++ b/clang/test/Sema/builtins-x86.c @@ -81,6 +81,19 @@ __mmask16 test__builtin_ia32_cmpps512_mask_rounding(__m512 __a, __m512 __b, __mm return __builtin_ia32_cmpps512_mask(__a, __b, 0, __u, 0); // expected-error {{invalid rounding argument}} } +// Make sure we allow 4(CUR_DIRECTION), 8(NO_EXC), and 12(CUR_DIRECTION|NOEXC) for SAE arguments. +__mmask16 test__builtin_ia32_cmpps512_mask_rounding_cur_dir(__m512 __a, __m512 __b, __mmask16 __u) { + return __builtin_ia32_cmpps512_mask(__a, __b, 0, __u, 4); // no-error +} + +__mmask16 test__builtin_ia32_cmpps512_mask_rounding_sae1(__m512 __a, __m512 __b, __mmask16 __u) { + return __builtin_ia32_cmpps512_mask(__a, __b, 0, __u, 8); // no-error +} + +__mmask16 test__builtin_ia32_cmpps512_mask_rounding_sae2(__m512 __a, __m512 __b, __mmask16 __u) { + return __builtin_ia32_cmpps512_mask(__a, __b, 0, __u, 12); // no-error +} + __m512 test__builtin_ia32_getmantps512_mask(__m512 a, __m512 b) { return __builtin_ia32_getmantps512_mask(a, 0, b, (__mmask16)-1, 10); // expected-error {{invalid rounding argument}} } |
