https://gcc.gnu.org/g:0b0209ca1aff9f7cd28150b5714cb6dd7514b313
commit r16-9506-g0b0209ca1aff9f7cd28150b5714cb6dd7514b313 Author: Jakub Jelinek <[email protected]> Date: Tue Aug 4 21:42:49 2026 +0200 testsuite: Fix up gcc.dg/pr126464.c test [PR126464] On Tue, Aug 04, 2026 at 02:13:19PM +0200, Torbjorn SVENSSON wrote: > This causes regression on most (all?) arm-none-eabi targets. > /build/gcc_src/gcc/testsuite/gcc.dg/pr126464.c:56:3: warning: floating constant exceeds range of 'long double' [-Woverflow] This patch guards it with preprocessor tests whether such floating point constants are representable. 2026-08-04 Jakub Jelinek <[email protected]> PR tree-optimization/126464 * gcc.dg/pr126464.c: Guard uses of 1e300 with __DBL_MAX_10_EXP__ >= 301 and uses of 1e4000L with __LDBL_MAX_10_EXP__ >= 4001. Reviewed-by: Andrea Pinski <[email protected]> (cherry picked from commit b5b0203b8c3b7cee4e65a09e4443f948dee434b4) Diff: --- gcc/testsuite/gcc.dg/pr126464.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/gcc/testsuite/gcc.dg/pr126464.c b/gcc/testsuite/gcc.dg/pr126464.c index b6eb1320dec5..620b9b42f62c 100644 --- a/gcc/testsuite/gcc.dg/pr126464.c +++ b/gcc/testsuite/gcc.dg/pr126464.c @@ -47,15 +47,19 @@ qux (long double x) int main () { +#if __DBL_MAX_10_EXP__ >= 301 if (!__builtin_isinf ((double) 1e300) && __builtin_isinf ((float) 1e300) && (foo (-1e300) != -5e299 || baz (1e300) != 5e299)) __builtin_abort (); +#endif +#if __LDBL_MAX_10_EXP__ >= 4001 if (!__builtin_isinf ((long double) 1e4000L) && __builtin_isinf ((double) 1e4000L) && (bar (1e4000L) != 5e3999L || qux (-1e4000L) != -5e3999L)) __builtin_abort (); +#endif }
