> -----Original Message----- > From: H.J. Lu [mailto:hjl.to...@gmail.com] Nice to see a familiar face, or better, mail address :-)
> You need to check assembler feature with autconf before using them. > See HAVE_AS_IX86_SAHF as example. Thanks! Does that look ok? It seems to detect the support correctly for me: gcc_GAS_CHECK_FEATURE([swap suffix], gcc_cv_as_ix86_swap,,, [movl.s %esp, %ebp],, [AC_DEFINE(HAVE_AS_IX86_SWAP, 1, [Define if your assembler supports the swap suffix.])])
