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| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/rtlanal.c | 5 |
2 files changed, 10 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 582330e..650648c 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p + for the parts of an UNSPEC / UNSPEC_VOLATILE. + 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com> *fixinc/inclhack.def: Add fix development commentary diff --git a/gcc/rtlanal.c b/gcc/rtlanal.c index fb4f87c..52ff6a9 100644 --- a/gcc/rtlanal.c +++ b/gcc/rtlanal.c @@ -410,6 +410,11 @@ reg_referenced_p (x, body) case UNSPEC: case UNSPEC_VOLATILE: + for (i = XVECLEN (body, 0) - 1; i >= 0; i--) + if (reg_overlap_mentioned_p (x, XVECEXP (body, 0, i))) + return 1; + return 0; + case PARALLEL: for (i = XVECLEN (body, 0) - 1; i >= 0; i--) if (reg_referenced_p (x, XVECEXP (body, 0, i))) |