diff options
Diffstat (limited to 'gcc/profile.c')
| -rw-r--r-- | gcc/profile.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/gcc/profile.c b/gcc/profile.c index 1888ad0ef96..4de616625f1 100644 --- a/gcc/profile.c +++ b/gcc/profile.c @@ -41,12 +41,13 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ achieve this, see Dain Sample's UC Berkeley thesis. */ #include "config.h" +#include <stdio.h> #include "rtl.h" #include "flags.h" #include "insn-flags.h" #include "insn-config.h" #include "output.h" -#include <stdio.h> +#include "regs.h" #include "tree.h" #include "output.h" #include "gcov-io.h" @@ -1514,7 +1515,6 @@ output_arc_profiler (arcno, insert_after) rtx mem_ref, add_ref; rtx sequence; -#ifdef SMALL_REGISTER_CLASSES /* In this case, reload can use explicitly mentioned hard registers for reloads. It is not safe to output profiling code between a call and the instruction that copies the result to a pseudo-reg. This @@ -1550,11 +1550,15 @@ output_arc_profiler (arcno, insert_after) else return_reg = SET_DEST (XVECEXP (PATTERN (insert_after), 0, 0)); - if (reg_referenced_p (return_reg, PATTERN (next_insert_after))) + /* Now, NEXT_INSERT_AFTER may be an instruction that uses the + return value. However, it could also be something else, + like a CODE_LABEL, so check that the code is INSN. */ + if (next_insert_after != 0 + && GET_RTX_CLASS (GET_CODE (next_insert_after)) == 'i' + && reg_referenced_p (return_reg, PATTERN (next_insert_after))) insert_after = next_insert_after; } } -#endif start_sequence (); |