diff options
| -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 261eda3bc95..22b068d1cc5 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 b1838094cc1..5ee3816c7cf 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. |