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| author | Jan Hubicka <jh@suse.cz> | 2001-05-24 15:59:09 +0200 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2001-05-24 13:59:09 +0000 |
| commit | 2b1c08f5bf4474652963279b8f4bd1ff352ac31f (patch) | |
| tree | 6ece55f172ea5627b036edc01cbcb66b75548db3 | |
| parent | 6f56d9253f78d537e2af74895512188743519ff7 (diff) | |
| download | gcc-2b1c08f5bf4474652963279b8f4bd1ff352ac31f.zip gcc-2b1c08f5bf4474652963279b8f4bd1ff352ac31f.tar.gz gcc-2b1c08f5bf4474652963279b8f4bd1ff352ac31f.tar.bz2 | |
* i386.c (incdec_operand): Accept only 1 and -1.
From-SVN: r42527
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/config/i386/i386.c | 12 |
2 files changed, 5 insertions, 11 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 7ae1e66..ac01497 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +Thu May 24 15:56:48 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (incdec_operand): Accept only 1 and -1. + 2001-05-23 Kelley Cook <kelley.cook@home.com> * Makefile.in: Move many of the *_H definitions eariler in the diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index 33b00b1..8ceb3b7 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -1420,17 +1420,7 @@ incdec_operand (op, mode) registers, since carry flag is not set. */ if (TARGET_PENTIUM4 && !optimize_size) return 0; - if (op == const1_rtx || op == constm1_rtx) - return 1; - if (GET_CODE (op) != CONST_INT) - return 0; - if (mode == SImode && INTVAL (op) == (HOST_WIDE_INT) 0xffffffff) - return 1; - if (mode == HImode && INTVAL (op) == (HOST_WIDE_INT) 0xffff) - return 1; - if (mode == QImode && INTVAL (op) == (HOST_WIDE_INT) 0xff) - return 1; - return 0; + return op == const1_rtx || op == constm1_rtx; } /* Return nonzero if OP is acceptable as operand of DImode shift |