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| author | Kaz Kojima <kkojima@gcc.gnu.org> | 2004-10-20 13:57:22 +0000 |
|---|---|---|
| committer | Kaz Kojima <kkojima@gcc.gnu.org> | 2004-10-20 13:57:22 +0000 |
| commit | d0edbeeca0a741b5edbeaea909f27fe09478143e (patch) | |
| tree | c4b1620ef965721fc6e1362120caa820d62fb484 | |
| parent | 5acd0beddc20481a35191fd439ecdea6617b8c9b (diff) | |
| download | gcc-d0edbeeca0a741b5edbeaea909f27fe09478143e.zip gcc-d0edbeeca0a741b5edbeaea909f27fe09478143e.tar.gz gcc-d0edbeeca0a741b5edbeaea909f27fe09478143e.tar.bz2 | |
re PR target/18032 ([4.0.0] SH: wrong code for EH)
PR target/18032
* config/sh/sh.c (sh_expand_epilogue): Emit a blockage insn before
the frame pointer adjustment when exception handling is enabled.
From-SVN: r89333
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/sh/sh.c | 4 |
2 files changed, 10 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index f6266ac..5a5d719 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2004-10-20 Kaz Kojima <kkojima@gcc.gnu.org> + + PR target/18032 + * config/sh/sh.c (sh_expand_epilogue): Emit a blockage insn before + the frame pointer adjustment when exception handling is enabled. + 2004-10-20 Kazu Hirata <kazu@cs.umass.edu> * stor-layout.c: Fix a comment typo. diff --git a/gcc/config/sh/sh.c b/gcc/config/sh/sh.c index d489a85..83a938e 100644 --- a/gcc/config/sh/sh.c +++ b/gcc/config/sh/sh.c @@ -5828,6 +5828,10 @@ sh_expand_epilogue (bool sibcall_p) if (frame_pointer_needed) { + /* We must avoid scheduling the epilogue with previous basic blocks + when exception handling is enabled. See PR/18032. */ + if (flag_exceptions) + emit_insn (gen_blockage ()); output_stack_adjust (frame_size, frame_pointer_rtx, e, &live_regs_mask); /* We must avoid moving the stack pointer adjustment past code |