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| author | Segher Boessenkool <segher@kernel.crashing.org> | 2014-09-19 18:42:26 +0200 |
|---|---|---|
| committer | Segher Boessenkool <segher@gcc.gnu.org> | 2014-09-19 18:42:26 +0200 |
| commit | f8fb3155820ca6cd39f2f7dbec796b399f705aa5 (patch) | |
| tree | 34279d24ff4fd38531af3992c0fe6c7fd25209d0 /gcc | |
| parent | 2b9c63a2d8368252eded6fbdbafb4786e2fdf412 (diff) | |
| download | gcc-f8fb3155820ca6cd39f2f7dbec796b399f705aa5.zip gcc-f8fb3155820ca6cd39f2f7dbec796b399f705aa5.tar.gz gcc-f8fb3155820ca6cd39f2f7dbec796b399f705aa5.tar.bz2 | |
recog.c (scratch_operand): Do not simply allow all hard registers: only allow those that are allocatable.
2014-09-19 Segher Boessenkool <segher@kernel.crashing.org>
* recog.c (scratch_operand): Do not simply allow all hard registers:
only allow those that are allocatable.
From-SVN: r215399
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/recog.c | 4 |
2 files changed, 8 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 261eda3..22b068d 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2014-09-19 Segher Boessenkool <segher@kernel.crashing.org> + + * recog.c (scratch_operand): Do not simply allow all hard registers: + only allow those that are allocatable. + 2014-09-19 Felix Yang <felix.yang@huawei.com> * cfgrtl.c ira.c ira-color.c ira-conflicts ira-lives.c: Update diff --git a/gcc/recog.c b/gcc/recog.c index b183809..5ee3816 100644 --- a/gcc/recog.c +++ b/gcc/recog.c @@ -1143,7 +1143,9 @@ scratch_operand (rtx op, enum machine_mode mode) return (GET_CODE (op) == SCRATCH || (REG_P (op) - && (lra_in_progress || REGNO (op) < FIRST_PSEUDO_REGISTER))); + && (lra_in_progress + || (REGNO (op) < FIRST_PSEUDO_REGISTER + && REGNO_REG_CLASS (REGNO (op)) != NO_REGS)))); } /* Return 1 if OP is a valid immediate operand for mode MODE. |