From: Jakub Jelinek Date: Sat, 14 Oct 2017 08:34:11 +0000 (+0200) Subject: re PR rtl-optimization/81423 (Wrong code at -O2) X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=5c20e429775e6b72b42a3c7b3c3be77f535d4bb6;p=gcc.git re PR rtl-optimization/81423 (Wrong code at -O2) PR rtl-optimization/81423 * gcc.c-torture/execute/pr81423.c (foo): Add missing cast. Change L suffixes to LL. (main): Punt if either long long isn't 64-bit or int isn't 32-bit. From-SVN: r253749 --- diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index c6419c7f8f1..c48f8a6f676 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,10 @@ +2017-10-14 Jakub Jelinek + + PR rtl-optimization/81423 + * gcc.c-torture/execute/pr81423.c (foo): Add missing cast. Change L + suffixes to LL. + (main): Punt if either long long isn't 64-bit or int isn't 32-bit. + 2017-10-13 Jakub Jelinek PR sanitizer/82353 diff --git a/gcc/testsuite/gcc.c-torture/execute/pr81423.c b/gcc/testsuite/gcc.c-torture/execute/pr81423.c index 731aa8f1c65..be7413be334 100644 --- a/gcc/testsuite/gcc.c-torture/execute/pr81423.c +++ b/gcc/testsuite/gcc.c-torture/execute/pr81423.c @@ -1,3 +1,5 @@ +/* PR rtl-optimization/81423 */ + extern void abort (void); unsigned long long int ll = 0; @@ -10,11 +12,11 @@ foo (void) { ll = -5597998501375493990LL; - ll = (5677365550390624949L - ll) - (ull1 > 0); + ll = (unsigned int) (5677365550390624949LL - ll) - (ull1 > 0); unsigned long long int ull3; ull3 = (unsigned int) - (2067854353L << - (((ll + -2129105131L) ^ 10280750144413668236ULL) - + (2067854353LL << + (((ll + -2129105131LL) ^ 10280750144413668236ULL) - 10280750143997242009ULL)) >> ((2873442921854271231ULL | ull2) - 12098357307243495419ULL); @@ -24,9 +26,10 @@ foo (void) int main (void) { - /* We need a long long of exactly 64 bits for this test. */ - ll--; - if (ll != 0xffffffffffffffffULL) + /* We need a long long of exactly 64 bits and int of exactly 32 bits + for this test. */ + if (__SIZEOF_LONG_LONG__ * __CHAR_BIT__ != 64 + || __SIZEOF_INT__ * __CHAR_BIT__ != 32) return 0; ull3 = foo ();