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| author | Mark Mitchell <mark@codesourcery.com> | 1999-05-06 23:29:23 +0000 |
|---|---|---|
| committer | Mark Mitchell <mmitchel@gcc.gnu.org> | 1999-05-06 23:29:23 +0000 |
| commit | a504535255b3863d0bda072ac8b3b08b710df536 (patch) | |
| tree | f9a5fbe19179810162606833bc10e506f1a242c1 | |
| parent | e51f4db6322e7d9f9e6e47157e460d5a92577512 (diff) | |
| download | gcc-a504535255b3863d0bda072ac8b3b08b710df536.zip gcc-a504535255b3863d0bda072ac8b3b08b710df536.tar.gz gcc-a504535255b3863d0bda072ac8b3b08b710df536.tar.bz2 | |
resource.c (mark_referenced_resources): Make volatil monotonically increasing.
* resource.c (mark_referenced_resources): Make volatil
monotonically increasing.
(mark_set_resources): Likewise.
From-SVN: r26811
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/resource.c | 10 |
2 files changed, 11 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index d528a79..0316406 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +Thu May 6 20:34:00 1999 Mark Mitchell <mark@codesourcery.com> + + * resource.c (mark_referenced_resources): Make volatil + monotonically increasing. + (mark_set_resources): Likewise. + Thu May 6 20:02:33 1999 Fred Fish <fnf@be.com> * rs6000/xm-beos.h (HAVE_VPRINTF): Don't redefine if already defined. diff --git a/gcc/resource.c b/gcc/resource.c index bc214a3..ddf7df5 100644 --- a/gcc/resource.c +++ b/gcc/resource.c @@ -221,7 +221,7 @@ mark_referenced_resources (x, res, include_delayed_effects) res->unch_memory = 1; else res->memory = 1; - res->volatil = MEM_VOLATILE_P (x); + res->volatil |= MEM_VOLATILE_P (x); /* Mark registers used to access memory. */ mark_referenced_resources (XEXP (x, 0), res, 0); @@ -242,7 +242,7 @@ mark_referenced_resources (x, res, include_delayed_effects) break; case ASM_OPERANDS: - res->volatil = MEM_VOLATILE_P (x); + res->volatil |= MEM_VOLATILE_P (x); /* For all ASM_OPERANDS, we must traverse the vector of input operands. We can not just fall through here since then we would be confused @@ -710,8 +710,8 @@ mark_set_resources (x, res, in_dest, include_delayed_effects) if (in_dest) { res->memory = 1; - res->unch_memory = RTX_UNCHANGING_P (x); - res->volatil = MEM_VOLATILE_P (x); + res->unch_memory |= RTX_UNCHANGING_P (x); + res->volatil |= MEM_VOLATILE_P (x); } mark_set_resources (XEXP (x, 0), res, 0, 0); @@ -750,7 +750,7 @@ mark_set_resources (x, res, in_dest, include_delayed_effects) break; case ASM_OPERANDS: - res->volatil = MEM_VOLATILE_P (x); + res->volatil |= MEM_VOLATILE_P (x); /* For all ASM_OPERANDS, we must traverse the vector of input operands. We can not just fall through here since then we would be confused |