Message ID | 20130909090912.GD53568@msticlxl57.ims.intel.com |
---|---|
State | New |
Headers | show |
On Mon, Sep 09, 2013 at 01:09:12PM +0400, Michael V. Zolotukhin wrote: > I've never written torture tests before, could you please check if I did it > right? Please don't introduce new *.x files, for tests where you need something like that just stick it into gcc.dg/torture/ instead and use normal dg stuff in there. So: /* { dg-do run } */ /* { dg-additional-options "-march=pentiumpro" { target ia32 } } */ /* { dg-additional-options "-minline-all-stringops" { target { i?86-*-* x86_64-*-* } } } */ in gcc.dg/torture/memcpy-1.c would do it. Jakub
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index a8d70bc..50e9fa9 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -23329,7 +23329,7 @@ ix86_expand_movmem (rtx dst, rtx src, rtx count_exp, rtx align_exp, if (count_exp != const0_rtx && epilogue_size_needed > 1) expand_movmem_epilogue (dst, src, destreg, srcreg, count_exp, - size_needed); + epilogue_size_needed); if (jump_around_label) emit_label (jump_around_label); return true; diff --git a/gcc/testsuite/gcc.c-torture/execute/memcpy-3.c b/gcc/testsuite/gcc.c-torture/execute/memcpy-3.c new file mode 100644 index 0000000..f1ceb88 --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/execute/memcpy-3.c @@ -0,0 +1,18 @@ +static void __attribute__((noinline, noclone)) +my_memcpy (char *dest, const char *src, int n) +{ + __builtin_memcpy (dest, src, n); +} + +int +main (void) +{ + char a1[4], a2[4]; + __builtin_memset (a1, 'a', 4); + __builtin_memset (a2, 'b', 4); + my_memcpy (a2, a1, 4); + if (a2[0] != 'a') + __builtin_abort (); + return 0; +} + diff --git a/gcc/testsuite/gcc.c-torture/execute/memcpy-3.x b/gcc/testsuite/gcc.c-torture/execute/memcpy-3.x new file mode 100644 index 0000000..4458269 --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/execute/memcpy-3.x @@ -0,0 +1,7 @@ +if { [istarget "i?86-*-*"] } { + set additional_flags "-mtune=pentiumpro -minline-all-stringops" +} +if { [istarget "x86_64-*-*"] } { + set additional_flags "-minline-all-stringops" +} +return 0