Hi, I checked in this patch to add testcases for PRs 47449/47446.
H.J. Index: gcc.target/i386/pr47449.c =================================================================== --- gcc.target/i386/pr47449.c (revision 0) +++ gcc.target/i386/pr47449.c (revision 0) @@ -0,0 +1,12 @@ +/* { dg-do compile } */ +/* { dg-options "-O2" } */ + +void bar (void *, void *); +int +foo (void *p1, void *p2) +{ + int ret1, ret2; + __asm ("" : "=D" (ret1), "=S" (ret2)); + bar (p1, p2); + return ret1 + ret2; +} Index: gcc.dg/pr47446-1.c =================================================================== --- gcc.dg/pr47446-1.c (revision 0) +++ gcc.dg/pr47446-1.c (revision 0) @@ -0,0 +1,40 @@ +/* { dg-do assemble } */ +/* { dg-options "-O2" } */ + +extern void abort (void); +enum +{ + __GCONV_OK = 0, + __GCONV_NOCONV, + __GCONV_NODB, + __GCONV_NOMEM, + __GCONV_EMPTY_INPUT, + __GCONV_FULL_OUTPUT, + __GCONV_ILLEGAL_INPUT, + __GCONV_INCOMPLETE_INPUT, + __GCONV_ILLEGAL_DESCRIPTOR, + __GCONV_INTERNAL_ERROR +}; +int +foo (int result) +{ + int irreversible = 0; + switch (result) + { + case __GCONV_ILLEGAL_INPUT: + irreversible = -1L; + break; + case __GCONV_FULL_OUTPUT: + irreversible = -2L; + break; + case __GCONV_INCOMPLETE_INPUT: + irreversible = -3L; + break; + case __GCONV_EMPTY_INPUT: + case __GCONV_OK: + break; + default: + abort (); + } + return irreversible; +} Index: gcc.dg/pr47446-2.c =================================================================== --- gcc.dg/pr47446-2.c (revision 0) +++ gcc.dg/pr47446-2.c (revision 0) @@ -0,0 +1,41 @@ +/* { dg-do assemble } */ +/* { dg-require-effective-target fpic } */ +/* { dg-options "-O2 -fpic" } */ + +extern void abort (void); +enum +{ + __GCONV_OK = 0, + __GCONV_NOCONV, + __GCONV_NODB, + __GCONV_NOMEM, + __GCONV_EMPTY_INPUT, + __GCONV_FULL_OUTPUT, + __GCONV_ILLEGAL_INPUT, + __GCONV_INCOMPLETE_INPUT, + __GCONV_ILLEGAL_DESCRIPTOR, + __GCONV_INTERNAL_ERROR +}; +int +foo (int result) +{ + int irreversible = 0; + switch (result) + { + case __GCONV_ILLEGAL_INPUT: + irreversible = -1L; + break; + case __GCONV_FULL_OUTPUT: + irreversible = -2L; + break; + case __GCONV_INCOMPLETE_INPUT: + irreversible = -3L; + break; + case __GCONV_EMPTY_INPUT: + case __GCONV_OK: + break; + default: + abort (); + } + return irreversible; +} Index: ChangeLog =================================================================== --- ChangeLog (revision 177511) +++ ChangeLog (working copy) @@ -1,5 +1,14 @@ 2011-08-06 H.J. Lu <hongjiu...@intel.com> + PR middle-end/47449 + * gcc.target/i386/pr47449.c: New. + + PR target/47446 + * gcc.dg/pr47446-1.c: New. + * gcc.dg/pr47446-2.c: Likewise. + +2011-08-06 H.J. Lu <hongjiu...@intel.com> + PR target/47766 * gcc.dg/pr47766.c: New.