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| author | Michael Meissner <meissner@gcc.gnu.org> | 1997-03-06 22:28:22 +0000 |
|---|---|---|
| committer | Michael Meissner <meissner@gcc.gnu.org> | 1997-03-06 22:28:22 +0000 |
| commit | e035031935a5160976ef3cf0b626701df1c3fd23 (patch) | |
| tree | 6828b66b5dfa819e744b0da6eacac137c7e7833d /gcc | |
| parent | dfcf98915cfd438777af1990365da4d50b3d0328 (diff) | |
| download | gcc-e035031935a5160976ef3cf0b626701df1c3fd23.zip gcc-e035031935a5160976ef3cf0b626701df1c3fd23.tar.gz gcc-e035031935a5160976ef3cf0b626701df1c3fd23.tar.bz2 | |
Do not emit USE on a LABEL_REF
From-SVN: r13695
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/config/rs6000/rs6000.md | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md index 3f932e6..61d16a1 100644 --- a/gcc/config/rs6000/rs6000.md +++ b/gcc/config/rs6000/rs6000.md @@ -5164,8 +5164,12 @@ { /* Emit a USE operation so that the constant isn't deleted if expensive optimizations are turned on because nobody - references it */ - emit_insn (gen_rtx (USE, VOIDmode, operands[1])); + references it. This should only be done for operands that + contain SYMBOL_REFs with CONSTANT_POOL_ADDRESS_P set. + This should not be done for operands that contain LABEL_REFs. + For now, we just handle the obvious case. */ + if (GET_CODE (operands[1]) != LABEL_REF) + emit_insn (gen_rtx (USE, VOIDmode, operands[1])); /* If we are to limit the number of things we put in the TOC and this is a symbol plus a constant we can add in one insn, |