diff options
| author | cltang <cltang@138bc75d-0d04-0410-961f-82ee72b054a4> | 2011-02-18 17:26:31 +0000 |
|---|---|---|
| committer | cltang <cltang@138bc75d-0d04-0410-961f-82ee72b054a4> | 2011-02-18 17:26:31 +0000 |
| commit | 6b629457ae356daa3be75ba148d23e730e3acc90 (patch) | |
| tree | ac4d7d4b4ed03e4c4988fae35b30f39df0d21689 /gcc/ira.c | |
| parent | 17e2b78874ccfe5753859dc9c74ed5b136e4a66f (diff) | |
| download | gcc-6b629457ae356daa3be75ba148d23e730e3acc90.tar.gz | |
2011-02-18 Chung-Lin Tang <cltang@codesourcery.com>
PR rtl-optimization/46178
* ira.c (setup_hard_regno_class): Use ira_class_translate[] to
compute ira_hard_regno_cover_class[].
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@170277 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/ira.c')
| -rw-r--r-- | gcc/ira.c | 18 |
1 files changed, 5 insertions, 13 deletions
diff --git a/gcc/ira.c b/gcc/ira.c index 5f27fc2f320..68d47fbb2d5 100644 --- a/gcc/ira.c +++ b/gcc/ira.c @@ -1033,22 +1033,14 @@ find_reg_class_closure (void) static void setup_hard_regno_cover_class (void) { - int i, j; - enum reg_class cl; + int i; for (i = 0; i < FIRST_PSEUDO_REGISTER; i++) { - ira_hard_regno_cover_class[i] = NO_REGS; - for (j = 0; j < ira_reg_class_cover_size; j++) - { - cl = ira_reg_class_cover[j]; - if (ira_class_hard_reg_index[cl][i] >= 0) - { - ira_hard_regno_cover_class[i] = cl; - break; - } - } - + ira_hard_regno_cover_class[i] + = (TEST_HARD_REG_BIT (no_unit_alloc_regs, i) + ? NO_REGS + : ira_class_translate[REGNO_REG_CLASS (i)]); } } |