Hi, As Wilco suggested, the new added strcmp/strncmp inlining should be only enabled with O2 and above.
this is the simple patch for this change. tested on both X86 and aarch64. Okay for thunk? Qing gcc/ChangeLog: +2018-07-25 Qing Zhao <qing.z...@oracle.com> + + * builtins.c (inline_expand_builtin_string_cmp): Disable inlining + when optimization level is lower than 2 or optimize for size. + gcc/testsuite/ChangeLog: +2018-07-25 Qing Zhao <qing.z...@oracle.com> + + * gcc.dg/strcmpopt_5.c: Change to O2 to enable the transformation. + * gcc.dg/strcmpopt_6.c: Likewise. +
78809_O2.patch
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