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| author | Andrew MacLeod <amacleod@cygnus.com> | 1998-10-29 11:21:20 +0000 |
|---|---|---|
| committer | Andrew Macleod <amacleod@gcc.gnu.org> | 1998-10-29 11:21:20 +0000 |
| commit | 0fc1434bd0b2e9c1f3649d8b1df27e37403dda33 (patch) | |
| tree | 6960abc4f81d9078c8440894dc0bdcf295614375 /gcc | |
| parent | e1a5ccf7e6174cbe245af105a75223a285927407 (diff) | |
| download | gcc-0fc1434bd0b2e9c1f3649d8b1df27e37403dda33.zip gcc-0fc1434bd0b2e9c1f3649d8b1df27e37403dda33.tar.gz gcc-0fc1434bd0b2e9c1f3649d8b1df27e37403dda33.tar.bz2 | |
except.c (emit_eh_context): Make the EH context register stay alive at -O0 so stupid.c doesn't get confused.
Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
* except.c (emit_eh_context): Make the EH context register stay alive
at -O0 so stupid.c doesn't get confused.
From-SVN: r23423
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/except.c | 8 |
2 files changed, 13 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 1dbc93a..b01e4ea 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com> + + * except.c (emit_eh_context): Make the EH context register stay alive + at -O0 so stupid.c doesn't get confused. + 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> * emit-rtl.c (try_split): Do not try to split a BARRIER. diff --git a/gcc/except.c b/gcc/except.c index 867b4a5..d07d6bf 100644 --- a/gcc/except.c +++ b/gcc/except.c @@ -2094,6 +2094,14 @@ emit_eh_context () end_sequence (); emit_insns_before (insns, insn); + + /* At -O0, we must make the context register stay alive so + that the stupid.c register allocator doesn't get confused. */ + if (obey_regdecls != 0) + { + insns = gen_rtx_USE (GET_MODE (XEXP (reg,0)), XEXP (reg,0)); + emit_insn_before (insns, get_last_insn ()); + } } } } |