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| author | Craig Rodrigues <rodrigc@gcc.gnu.org> | 2001-11-29 21:39:41 +0000 |
|---|---|---|
| committer | Craig Rodrigues <rodrigc@gcc.gnu.org> | 2001-11-29 21:39:41 +0000 |
| commit | c1d5afc412f820af3a04c5d3c9ddf53d160752ec (patch) | |
| tree | 0eefc5a66f9adae287745db20e60e8011edc2ce6 /gcc | |
| parent | 894c7af33d49598598ac8b82a6104ea25e18957a (diff) | |
| download | gcc-c1d5afc412f820af3a04c5d3c9ddf53d160752ec.zip gcc-c1d5afc412f820af3a04c5d3c9ddf53d160752ec.tar.gz gcc-c1d5afc412f820af3a04c5d3c9ddf53d160752ec.tar.bz2 | |
re PR other/4932 (the i386 backend crashes on incorrect asm("... %c0 ..."))
2001-11-29 Craig Rodrigues <rodrigc@gcc.gnu.org>
PR other/4932
* config/i386/i386.c (print_operand): Verify that the
argument to %c is a constant and not a conditional which
needs to be reversed.
From-SVN: r47453
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/config/i386/i386.c | 7 |
2 files changed, 14 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 8a97e84..3e2e923 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2001-11-29 Craig Rodrigues <rodrigc@gcc.gnu.org> + + PR other/4932 + * config/i386/i386.c (print_operand): Verify that the + argument to %c is a constant and not a conditional which + needs to be reversed. + Thu Nov 29 11:12:59 2001 Geoffrey Keating (geoffk@redhat.com) * emit-rtl.c (gen_lowpart_common): Fix conversion of diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index 46ef9f0..b522035 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -5650,6 +5650,13 @@ print_operand (file, x, code) /* Like above, but reverse condition */ case 'c': + /* Check to see if argument to %c is really a constant + and not a condition code which needs to be reversed. */ + if (GET_RTX_CLASS (GET_CODE (x)) != '<') + { + output_operand_lossage ("operand is neither a constant nor a condition code, invalid operand code 'c'"); + return; + } put_condition_code (GET_CODE (x), GET_MODE (XEXP (x, 0)), 1, 0, file); return; case 'f': |