diff options
Diffstat (limited to 'gcc/config/cris/cris.c')
| -rw-r--r-- | gcc/config/cris/cris.c | 39 |
1 files changed, 28 insertions, 11 deletions
diff --git a/gcc/config/cris/cris.c b/gcc/config/cris/cris.c index 6ea1fc1..e5b634f 100644 --- a/gcc/config/cris/cris.c +++ b/gcc/config/cris/cris.c @@ -1953,17 +1953,34 @@ cris_notice_update_cc (exp, insn) { /* For "move.S rz,[rx=ry+o]" and "clear.S [rx=ry+o]", say flags are not changed, except for overlap. */ - if ((cc_status.value1 - && cris_reg_overlap_mentioned_p (XEXP - (XVECEXP - (exp, 0, 0), 0), - cc_status.value1)) - || (cc_status.value2 - && cris_reg_overlap_mentioned_p (XEXP - (XVECEXP - (exp, 0, 1), 0), - cc_status.value2))) - CC_STATUS_INIT; + if (cc_status.value1 + && cris_reg_overlap_mentioned_p (XEXP + (XVECEXP + (exp, 0, 0), 0), + cc_status.value1)) + cc_status.value1 = 0; + + if (cc_status.value1 + && cris_reg_overlap_mentioned_p (XEXP + (XVECEXP + (exp, 0, 1), 0), + cc_status.value1)) + cc_status.value1 = 0; + + if (cc_status.value2 + && cris_reg_overlap_mentioned_p (XEXP + (XVECEXP + (exp, 0, 0), 0), + cc_status.value2)) + cc_status.value2 = 0; + + if (cc_status.value2 + && cris_reg_overlap_mentioned_p (XEXP + (XVECEXP + (exp, 0, 1), 0), + cc_status.value2)) + cc_status.value2 = 0; + return; } } |