diff options
| author | bstarynk <bstarynk@138bc75d-0d04-0410-961f-82ee72b054a4> | 2011-02-07 12:06:26 +0000 |
|---|---|---|
| committer | bstarynk <bstarynk@138bc75d-0d04-0410-961f-82ee72b054a4> | 2011-02-07 12:06:26 +0000 |
| commit | f169838ac346df666209dc62686101b3eb34c37a (patch) | |
| tree | 18cf2a273c175c85d0c89d3ab4047148ae70b05f /gcc/reload.c | |
| parent | 7bbe35d80a621c1cf198e59e464b486f95634c00 (diff) | |
| download | gcc-f169838ac346df666209dc62686101b3eb34c37a.tar.gz | |
2011-02-02 Basile Starynkevitch <basile@starynkevitch.net>
MELT branch merged as suggest by Andread Schwab
http://gcc.gnu.org/ml/gcc/2011-02/msg00099.html
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/melt-branch@169879 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/reload.c')
| -rw-r--r-- | gcc/reload.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/gcc/reload.c b/gcc/reload.c index aa9e68e59b6..714355c3201 100644 --- a/gcc/reload.c +++ b/gcc/reload.c @@ -5066,8 +5066,13 @@ find_reloads_address (enum machine_mode mode, rtx *memrefloc, rtx ad, && REG_P (XEXP (ad, 0)) && REGNO (XEXP (ad, 0)) < FIRST_PSEUDO_REGISTER && CONST_INT_P (XEXP (ad, 1)) - && regno_ok_for_base_p (REGNO (XEXP (ad, 0)), mode, PLUS, - CONST_INT)) + && (regno_ok_for_base_p (REGNO (XEXP (ad, 0)), mode, PLUS, + CONST_INT) + /* Similarly, if we were to reload the base register and the + mem+offset address is still invalid, then we want to reload + the whole address, not just the base register. */ + || ! maybe_memory_address_addr_space_p + (mode, ad, as, &(XEXP (ad, 0))))) { /* Unshare the MEM rtx so we can safely alter it. */ @@ -5079,7 +5084,9 @@ find_reloads_address (enum machine_mode mode, rtx *memrefloc, rtx ad, loc = &XEXP (*loc, 0); } - if (double_reg_address_ok) + if (double_reg_address_ok + && regno_ok_for_base_p (REGNO (XEXP (ad, 0)), mode, + PLUS, CONST_INT)) { /* Unshare the sum as well. */ *loc = ad = copy_rtx (ad); |