Dimitar Dimitrov <dimi...@dinux.eu> writes: > On Sun, May 08, 2022 at 10:31:04AM +0300, Dimitar Dimitrov wrote: >> This patch fixes a spurious warning for pru-unknown-elf target: >> gcc/testsuite/gcc.dg/mallign.c:12:27: warning: ignoring return value of >> 'malloc' declared with attribute 'warn_unused_result' [-Wunused-result] >> >> For 8-bit targets the resulting mask ignores all bits in the value >> returned by malloc. Fix by first checking the target word size. >> >> Sanity checked that there are no new failures on x86_64-pc-linux-gnu. >> >> Ok for trunk? > > Ping. Does this count as an obvious fix? > >> >> gcc/testsuite/ChangeLog: >> >> * gcc.dg/mallign.c: Skip check if sizeof(word)==1.
OK, thanks. Sorry for the slow review. Richard >> >> Signed-off-by: Dimitar Dimitrov <dimi...@dinux.eu> >> --- >> gcc/testsuite/gcc.dg/mallign.c | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) >> >> diff --git a/gcc/testsuite/gcc.dg/mallign.c b/gcc/testsuite/gcc.dg/mallign.c >> index 349cdaa343f..9a18a00c3b0 100644 >> --- a/gcc/testsuite/gcc.dg/mallign.c >> +++ b/gcc/testsuite/gcc.dg/mallign.c >> @@ -9,7 +9,7 @@ typedef int word __attribute__((mode(word))); >> >> int main() >> { >> - if ((__UINTPTR_TYPE__)malloc (1) & (sizeof(word)-1)) >> + if ((sizeof(word)>1) && ((__UINTPTR_TYPE__)malloc (1) & >> (sizeof(word)-1))) >> abort (); >> return 0; >> } >> >> -- >> 2.35.1 >>