diff options
| author | Bernd Schmidt <bernds@codesourcery.com> | 2010-07-01 09:20:40 +0000 |
|---|---|---|
| committer | Bernd Schmidt <bernds@gcc.gnu.org> | 2010-07-01 09:20:40 +0000 |
| commit | cc9568bae32642d24b9f2c94eb1d9ecb64a0b064 (patch) | |
| tree | 2e7f36d1e1a5495dfbac9be584d4e3ec279eafe8 /gcc | |
| parent | 70f348148c09468b05aa09fcfa91b61611003c27 (diff) | |
| download | gcc-cc9568bae32642d24b9f2c94eb1d9ecb64a0b064.zip gcc-cc9568bae32642d24b9f2c94eb1d9ecb64a0b064.tar.gz gcc-cc9568bae32642d24b9f2c94eb1d9ecb64a0b064.tar.bz2 | |
re PR bootstrap/44727 (Failed to bootstrap with --with-cpu=atom)
PR target/44727
* config/i386/i386.md (peephole2 for arithmetic ops with memory):
Make sure operand 0 dies.
From-SVN: r161656
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/i386/i386.md | 2 |
2 files changed, 8 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index d36c585..f090659 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2010-07-01 Bernd Schmidt <bernds@codesourcery.com> + + PR target/44727 + * config/i386/i386.md (peephole2 for arithmetic ops with memory): + Make sure operand 0 dies. + 2010-07-01 Richard Guenther <rguenther@suse.de> PR middle-end/42834 diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md index e361fd7..1714d50 100644 --- a/gcc/config/i386/i386.md +++ b/gcc/config/i386/i386.md @@ -17575,6 +17575,8 @@ || GET_MODE (operands[0]) == HImode)) || GET_MODE (operands[0]) == SImode || (TARGET_64BIT && GET_MODE (operands[0]) == DImode)) + && (rtx_equal_p (operands[0], operands[3]) + || peep2_reg_dead_p (2, operands[0])) /* We reorder load and the shift. */ && !reg_overlap_mentioned_p (operands[0], operands[4])" [(set (match_dup 5) (match_dup 4)) |