diff options
| author | uweigand <uweigand@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-05-26 20:21:53 +0000 |
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| committer | uweigand <uweigand@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-05-26 20:21:53 +0000 |
| commit | 91e1886d605bd0e2f9c6565aa6f298f7a4cde206 (patch) | |
| tree | 4aeaea82a057fcb7aa1fa27177beff021d57bea8 /gcc/reload.c | |
| parent | 0f9af572e6a7748ef677f1489f48505e358a2080 (diff) | |
| download | gcc-91e1886d605bd0e2f9c6565aa6f298f7a4cde206.tar.gz | |
PR rtl-optimization/27661
* reload.c (find_reloads): When reloading a VOIDmode constant
as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
use Pmode as mode of the reload register.
PR rtl-optimization/27661
* gcc.dg/pr27661.c: New test case.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@114141 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/reload.c')
| -rw-r--r-- | gcc/reload.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/gcc/reload.c b/gcc/reload.c index 03b5ba6beef..feaec60433c 100644 --- a/gcc/reload.c +++ b/gcc/reload.c @@ -3854,11 +3854,19 @@ find_reloads (rtx insn, int replace, int ind_levels, int live_known, && goal_alternative_offmemok[i] && MEM_P (recog_data.operand[i])) { + /* If the address to be reloaded is a VOIDmode constant, + use Pmode as mode of the reload register, as would have + been done by find_reloads_address. */ + enum machine_mode address_mode; + address_mode = GET_MODE (XEXP (recog_data.operand[i], 0)); + if (address_mode == VOIDmode) + address_mode = Pmode; + operand_reloadnum[i] = push_reload (XEXP (recog_data.operand[i], 0), NULL_RTX, &XEXP (recog_data.operand[i], 0), (rtx*) 0, base_reg_class (VOIDmode, MEM, SCRATCH), - GET_MODE (XEXP (recog_data.operand[i], 0)), + address_mode, VOIDmode, 0, 0, i, RELOAD_FOR_INPUT); rld[operand_reloadnum[i]].inc = GET_MODE_SIZE (GET_MODE (recog_data.operand[i])); |