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author | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
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committer | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
commit | 554fd8c5195424bdbcabf5de30fdc183aba391bd (patch) | |
tree | 976dc5ab7fddf506dadce60ae936f43f58787092 /gcc/testsuite/gcc.target/i386/strinline.c | |
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Diffstat (limited to 'gcc/testsuite/gcc.target/i386/strinline.c')
-rw-r--r-- | gcc/testsuite/gcc.target/i386/strinline.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/strinline.c b/gcc/testsuite/gcc.target/i386/strinline.c new file mode 100644 index 000000000..2fe671416 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/strinline.c @@ -0,0 +1,29 @@ +/* { dg-do compile } */ +/* { dg-require-effective-target fpic } */ +/* { dg-options "-O2 -fPIC" } */ +typedef unsigned int size_t; + char * +__mempcpy_by2 (char *__dest, __const char *__src, size_t __srclen) +{ + register char *__tmp = __dest; + register unsigned long int __d0, __d1; + __asm__ __volatile__ + ("shrl $1,%3\n\t" + "jz 2f\n" + "1:\n\t" + "movl (%2),%0\n\t" + "leal 4(%2),%2\n\t" + "movl %0,(%1)\n\t" + "leal 4(%1),%1\n\t" + "decl %3\n\t" + "jnz 1b\n" + "2:\n\t" + "movw (%2),%w0\n\t" + "movw %w0,(%1)" + : "=&q" (__d0), "=r" (__tmp), "=&r" (__src), "=&r" (__d1), + "=m" ( *(struct { __extension__ char __x[__srclen]; } *)__dest) + : "1" (__tmp), "2" (__src), "3" (__srclen / 2), + "m" ( *(struct { __extension__ char __x[__srclen]; } *)__src) + : "cc"); + return __tmp + 2; +} |