diff options
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/rtlanal.c | 14 |
2 files changed, 17 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index fbd36e1..b504b10 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2005-06-07 Richard Henderson <rth@redhat.com> + + PR rtl-opt/21528 + * rtlanal.c (reg_overlap_mentioned_p) <MEM>: Handle 'E' formats. + 2005-06-07 Dale Johannesen <dalej@apple.com> * tree-nested.c (finalize_nesting_tree_1): Disable diff --git a/gcc/rtlanal.c b/gcc/rtlanal.c index 0bdcbba..2561e32 100644 --- a/gcc/rtlanal.c +++ b/gcc/rtlanal.c @@ -1309,8 +1309,18 @@ reg_overlap_mentioned_p (rtx x, rtx in) fmt = GET_RTX_FORMAT (GET_CODE (in)); for (i = GET_RTX_LENGTH (GET_CODE (in)) - 1; i >= 0; i--) - if (fmt[i] == 'e' && reg_overlap_mentioned_p (x, XEXP (in, i))) - return 1; + if (fmt[i] == 'e') + { + if (reg_overlap_mentioned_p (x, XEXP (in, i))) + return 1; + } + else if (fmt[i] == 'E') + { + int j; + for (j = XVECLEN (in, i) - 1; j >= 0; --j) + if (reg_overlap_mentioned_p (x, XVECEXP (in, i, j))) + return 1; + } return 0; } |