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| author | DJ Delorie <dj@redhat.com> | 2010-01-08 14:02:28 -0500 |
|---|---|---|
| committer | DJ Delorie <dj@gcc.gnu.org> | 2010-01-08 14:02:28 -0500 |
| commit | 6a62ca52285abbd6295a31a62bc1358e902979c9 (patch) | |
| tree | 74bc0527507be321bff07dc113b191cb137921ff | |
| parent | c59449fa245b3ec2397a7020dab35deb876b9c5e (diff) | |
| download | gcc-6a62ca52285abbd6295a31a62bc1358e902979c9.zip gcc-6a62ca52285abbd6295a31a62bc1358e902979c9.tar.gz gcc-6a62ca52285abbd6295a31a62bc1358e902979c9.tar.bz2 | |
sh.c (sh_expand_epilogue): Fix interrupt handler register popping order.
* config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
register popping order.
From-SVN: r155742
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/sh/sh.c | 8 |
2 files changed, 9 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 4f7f36f..fdf4c85 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2010-01-08 DJ Delorie <dj@redhat.com> + + * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler + register popping order. + 2010-01-08 Richard Guenther <rguenther@suse.de> PR lto/42528 diff --git a/gcc/config/sh/sh.c b/gcc/config/sh/sh.c index 5fe752e..aaa745d 100644 --- a/gcc/config/sh/sh.c +++ b/gcc/config/sh/sh.c @@ -7254,13 +7254,13 @@ sh_expand_epilogue (bool sibcall_p) pop (PR_REG); } - /* Banked registers are poped first to avoid being scheduled in the + /* Banked registers are popped first to avoid being scheduled in the delay slot. RTE switches banks before the ds instruction. */ if (current_function_interrupt) { - for (i = FIRST_BANKED_REG; i <= LAST_BANKED_REG; i++) - if (TEST_HARD_REG_BIT (live_regs_mask, i)) - pop (LAST_BANKED_REG - i); + for (i = LAST_BANKED_REG; i >= FIRST_BANKED_REG; i--) + if (TEST_HARD_REG_BIT (live_regs_mask, i)) + pop (i); last_reg = FIRST_PSEUDO_REGISTER - LAST_BANKED_REG - 1; } |