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| author | James E Wilson <wilson@specifixinc.com> | 2004-02-18 06:49:58 +0000 |
|---|---|---|
| committer | Jim Wilson <wilson@gcc.gnu.org> | 2004-02-17 22:49:58 -0800 |
| commit | ce7b36a482a89e8f016645630d6461ba94a1f654 (patch) | |
| tree | 5889b804107ce1b2e15ee91100dee56d0c492b8e | |
| parent | 4d0bdcd6e134eb0528577abdc446d12d94762ae2 (diff) | |
| download | gcc-ce7b36a482a89e8f016645630d6461ba94a1f654.zip gcc-ce7b36a482a89e8f016645630d6461ba94a1f654.tar.gz gcc-ce7b36a482a89e8f016645630d6461ba94a1f654.tar.bz2 | |
Fix rtl sharing problem reported by Daniel Bayer on gcc list.
* caller-save.c (insert_restore): Pass mem through copy_rtx.
(insert_save): Likewise.
From-SVN: r78010
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/caller-save.c | 4 |
2 files changed, 9 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 2b15336..00f6eff 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2004-02-17 James E Wilson <wilson@specifixinc.com> + + * caller-save.c (insert_restore): Pass mem through copy_rtx. + (insert_save): Likewise. + 2004-02-17 Kazu Hirata <kazu@cs.umass.edu> * config/h8300/h8300.c (h8300_emit_stack_adjustment): Fix a diff --git a/gcc/caller-save.c b/gcc/caller-save.c index c5ba0c5..028705b 100644 --- a/gcc/caller-save.c +++ b/gcc/caller-save.c @@ -685,6 +685,8 @@ insert_restore (struct insn_chain *chain, int before_p, int regno, && save_mode [regno] != GET_MODE (mem) && numregs == (unsigned int) hard_regno_nregs[regno][save_mode [regno]]) mem = adjust_address (mem, save_mode[regno], 0); + else + mem = copy_rtx (mem); pat = gen_rtx_SET (VOIDmode, gen_rtx_REG (GET_MODE (mem), regno), mem); @@ -757,6 +759,8 @@ insert_save (struct insn_chain *chain, int before_p, int regno, && save_mode [regno] != GET_MODE (mem) && numregs == (unsigned int) hard_regno_nregs[regno][save_mode [regno]]) mem = adjust_address (mem, save_mode[regno], 0); + else + mem = copy_rtx (mem); pat = gen_rtx_SET (VOIDmode, mem, gen_rtx_REG (GET_MODE (mem), regno)); |