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| author | Richard Henderson <rth@redhat.com> | 2004-02-16 01:39:54 -0800 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2004-02-16 01:39:54 -0800 |
| commit | 9dcb4381bc1795c369bda33b6ebaf842b32b2bdc (patch) | |
| tree | 880a3428df52901e36e2c1bd4561bbf71be1211d /gcc/cse.c | |
| parent | 1472042a4a7a89c84f7c93df2bb92556a0014d84 (diff) | |
| download | gcc-9dcb4381bc1795c369bda33b6ebaf842b32b2bdc.zip gcc-9dcb4381bc1795c369bda33b6ebaf842b32b2bdc.tar.gz gcc-9dcb4381bc1795c369bda33b6ebaf842b32b2bdc.tar.bz2 | |
* cse.c (cse_insn): Don't lose REG_NON_LOCAL_GOTO note.
From-SVN: r77877
Diffstat (limited to 'gcc/cse.c')
| -rw-r--r-- | gcc/cse.c | 12 |
1 files changed, 11 insertions, 1 deletions
@@ -5719,10 +5719,20 @@ cse_insn (rtx insn, rtx libcall_insn) and hope for the best. */ if (n_sets == 1) { - rtx new = emit_jump_insn_after (gen_jump (XEXP (src, 0)), insn); + rtx new, note; + new = emit_jump_insn_after (gen_jump (XEXP (src, 0)), insn); JUMP_LABEL (new) = XEXP (src, 0); LABEL_NUSES (XEXP (src, 0))++; + + /* Make sure to copy over REG_NON_LOCAL_GOTO. */ + note = find_reg_note (insn, REG_NON_LOCAL_GOTO, 0); + if (note) + { + XEXP (note, 1) = NULL_RTX; + REG_NOTES (new) = note; + } + delete_insn (insn); insn = new; |