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| author | ebotcazou <ebotcazou@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-05-04 11:01:34 +0000 |
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| committer | ebotcazou <ebotcazou@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-05-04 11:01:34 +0000 |
| commit | 50b589163946324a28d769b2c6be321ada6edeac (patch) | |
| tree | ff51844afb0d248a98556451ecbb9b1c3a056a0d /gcc/recog.c | |
| parent | 2b98e22bd8af0c0d0b0e02720a508dcea3672658 (diff) | |
| download | gcc-50b589163946324a28d769b2c6be321ada6edeac.tar.gz | |
PR target/48496
* recog.c (constrain_operands): If extra constraints are present, also
accept pseudo-registers with equivalent memory locations during reload.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@187150 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/recog.c')
| -rw-r--r-- | gcc/recog.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/gcc/recog.c b/gcc/recog.c index cb2bfd31701..3f6bc545fb4 100644 --- a/gcc/recog.c +++ b/gcc/recog.c @@ -2680,6 +2680,16 @@ constrain_operands (int strict) /* Every address operand can be reloaded to fit. */ && strict < 0) win = 1; + /* Cater to architectures like IA-64 that define extra memory + constraints without using define_memory_constraint. */ + else if (reload_in_progress + && REG_P (op) + && REGNO (op) >= FIRST_PSEUDO_REGISTER + && reg_renumber[REGNO (op)] < 0 + && reg_equiv_mem (REGNO (op)) != 0 + && EXTRA_CONSTRAINT_STR + (reg_equiv_mem (REGNO (op)), c, p)) + win = 1; #endif break; } |