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| author | Richard Henderson <rth@cygnus.com> | 2000-05-08 21:58:44 -0700 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2000-05-08 21:58:44 -0700 |
| commit | 22aa60a1e048324c32edbd7283804df4eff68883 (patch) | |
| tree | 1d383adc4db59b1257e164d3c6d0d91b1d751e1d | |
| parent | 4c6a897328a8f500dba1470273bd657791ee47c6 (diff) | |
| download | gcc-22aa60a1e048324c32edbd7283804df4eff68883.zip gcc-22aa60a1e048324c32edbd7283804df4eff68883.tar.gz gcc-22aa60a1e048324c32edbd7283804df4eff68883.tar.bz2 | |
rtlanal.c (may_trap_p): Consider old-style and volatile asms to trap.
* rtlanal.c (may_trap_p): Consider old-style and volatile
asms to trap.
From-SVN: r33787
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/rtlanal.c | 5 |
2 files changed, 9 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 4b7e955..6ad054e 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2000-05-08 Richard Henderson <rth@cygnus.com> + + * rtlanal.c (may_trap_p): Consider old-style and volatile + asms to trap. + Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com> * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count. diff --git a/gcc/rtlanal.c b/gcc/rtlanal.c index 8a3eb62..891799b 100644 --- a/gcc/rtlanal.c +++ b/gcc/rtlanal.c @@ -1743,11 +1743,14 @@ may_trap_p (x) case SCRATCH: return 0; - /* Conditional trap can trap! */ + case ASM_INPUT: case UNSPEC_VOLATILE: case TRAP_IF: return 1; + case ASM_OPERANDS: + return MEM_VOLATILE_P (x); + /* Memory ref can trap unless it's a static var or a stack slot. */ case MEM: return rtx_addr_can_trap_p (XEXP (x, 0)); |