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| author | Richard Kenner <kenner@gcc.gnu.org> | 1997-01-29 16:12:37 -0500 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 1997-01-29 16:12:37 -0500 |
| commit | d2ce91694fa00ec364dd69661fe98caa57f1e7d8 (patch) | |
| tree | eff7bfa30f2909d023d0c4c46fc0c54f04f6be00 /gcc/varasm.c | |
| parent | 69b7087e803b85300dbc8c18277e02d85b2e8acd (diff) | |
| download | gcc-d2ce91694fa00ec364dd69661fe98caa57f1e7d8.zip gcc-d2ce91694fa00ec364dd69661fe98caa57f1e7d8.tar.gz gcc-d2ce91694fa00ec364dd69661fe98caa57f1e7d8.tar.bz2 | |
(force_const_mem): Set MARK instead of clearing it.
(output_constant_pool): Only mark constant pool if -O.
Check mark flag unconditionally.
(mark_constant_pool): Start by clearing all mark flags.
From-SVN: r13564
Diffstat (limited to 'gcc/varasm.c')
| -rw-r--r-- | gcc/varasm.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/gcc/varasm.c b/gcc/varasm.c index 1bf3e51..45f8c68 100644 --- a/gcc/varasm.c +++ b/gcc/varasm.c @@ -3486,7 +3486,7 @@ force_const_mem (mode, x) pool->labelno = const_labelno; pool->align = align; pool->offset = pool_offset; - pool->mark = 0; + pool->mark = 1; pool->next = 0; if (last_pool == 0) @@ -3603,7 +3603,7 @@ output_constant_pool (fnname, fndecl) /* It is possible for gcc to call force_const_mem and then to later discard the instructions which refer to the constant. In such a case we do not need to output the constant. */ - if (flag_expensive_optimizations) + if (optimize >= 0 && flag_expensive_optimizations) mark_constant_pool (); #ifdef ASM_OUTPUT_POOL_PROLOGUE @@ -3614,7 +3614,7 @@ output_constant_pool (fnname, fndecl) { x = pool->constant; - if (flag_expensive_optimizations && ! pool->mark) + if (! pool->mark) continue; /* See if X is a LABEL_REF (or a CONST referring to a LABEL_REF) @@ -3687,10 +3687,14 @@ static void mark_constant_pool () { register rtx insn; + struct pool_constant *pool; if (first_pool == 0) return; + for (pool = first_pool; pool; pool = pool->next) + pool->mark = 0; + for (insn = get_insns (); insn; insn = NEXT_INSN (insn)) if (GET_RTX_CLASS (GET_CODE (insn)) == 'i') mark_constants (PATTERN (insn)); |