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| author | Ulrich Weigand <uweigand@de.ibm.com> | 2004-01-30 23:10:36 +0000 |
|---|---|---|
| committer | Ulrich Weigand <uweigand@gcc.gnu.org> | 2004-01-30 23:10:36 +0000 |
| commit | 808ededc6f474450d3df665f24e8561f37af8d1b (patch) | |
| tree | 464a4921f24c2daff2f23725c8e5acb5013e07d0 /gcc | |
| parent | a1ddb3556bed9b54de6129dea79bcace431fb389 (diff) | |
| download | gcc-808ededc6f474450d3df665f24e8561f37af8d1b.zip gcc-808ededc6f474450d3df665f24e8561f37af8d1b.tar.gz gcc-808ededc6f474450d3df665f24e8561f37af8d1b.tar.bz2 | |
re PR rtl-optimization/12147 (Wrong code with -O2 in context of reload)
PR optimization/12147
* reload1.c (reload_reg_free_p): RELOAD_OTHER conflicts with
RELOAD_FOR_OPADDR_ADDR.
(reload_reg_reaches_end_p): RELOAD_FOR_OTHER_ADDRESS register
might be reused as RELOAD_FOR_OPADDR_ADDR register.
From-SVN: r77003
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 8 | ||||
| -rw-r--r-- | gcc/reload1.c | 2 |
2 files changed, 10 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index b201e50..9431083 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,11 @@ +2004-01-30 Ulrich Weigand <uweigand@de.ibm.com> + + PR optimization/12147 + * reload1.c (reload_reg_free_p): RELOAD_OTHER conflicts with + RELOAD_FOR_OPADDR_ADDR. + (reload_reg_reaches_end_p): RELOAD_FOR_OTHER_ADDRESS register + might be reused as RELOAD_FOR_OPADDR_ADDR register. + 2004-01-30 Jan Hubicka <jh@suse.cz> * reload.c (get_secondary_mem): Fix updating of diff --git a/gcc/reload1.c b/gcc/reload1.c index 1df667e..d53b27b 100644 --- a/gcc/reload1.c +++ b/gcc/reload1.c @@ -4316,6 +4316,7 @@ reload_reg_free_p (unsigned int regno, int opnum, enum reload_type type) /* In use for anything means we can't use it for RELOAD_OTHER. */ if (TEST_HARD_REG_BIT (reload_reg_used_in_other_addr, regno) || TEST_HARD_REG_BIT (reload_reg_used_in_op_addr, regno) + || TEST_HARD_REG_BIT (reload_reg_used_in_op_addr_reload, regno) || TEST_HARD_REG_BIT (reload_reg_used_in_insn, regno)) return 0; @@ -4494,6 +4495,7 @@ reload_reg_reaches_end_p (unsigned int regno, int opnum, enum reload_type type) return 0; return (! TEST_HARD_REG_BIT (reload_reg_used_in_op_addr, regno) + && ! TEST_HARD_REG_BIT (reload_reg_used_in_op_addr_reload, regno) && ! TEST_HARD_REG_BIT (reload_reg_used_in_insn, regno) && ! TEST_HARD_REG_BIT (reload_reg_used, regno)); |