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| author | Richard Kenner <kenner@gcc.gnu.org> | 1996-10-20 20:53:14 -0400 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 1996-10-20 20:53:14 -0400 |
| commit | 2edc8d65b8448452c2689efac489ec4a0d728855 (patch) | |
| tree | 22af3fec85b2e7690352642feadd917647b87160 | |
| parent | 8a8920407b49d2a0f3ed9b09171d92582309c9d4 (diff) | |
| download | gcc-2edc8d65b8448452c2689efac489ec4a0d728855.zip gcc-2edc8d65b8448452c2689efac489ec4a0d728855.tar.gz gcc-2edc8d65b8448452c2689efac489ec4a0d728855.tar.bz2 | |
(reload_reg_free_p, reloads_conflict): RELOAD_OTHER and
RELOAD_FOR_OTHER_ADDRESS conflict.
From-SVN: r12980
| -rw-r--r-- | gcc/reload1.c | 23 |
1 files changed, 8 insertions, 15 deletions
diff --git a/gcc/reload1.c b/gcc/reload1.c index 35c1efd..70b933a 100644 --- a/gcc/reload1.c +++ b/gcc/reload1.c @@ -4301,20 +4301,15 @@ reload_reg_free_p (regno, opnum, type) { int i; - /* In use for a RELOAD_OTHER means it's not available for anything except - RELOAD_FOR_OTHER_ADDRESS. Recall that RELOAD_FOR_OTHER_ADDRESS is known - to be used only for inputs. */ - - if (type != RELOAD_FOR_OTHER_ADDRESS - && TEST_HARD_REG_BIT (reload_reg_used, regno)) + /* In use for a RELOAD_OTHER means it's not available for anything. */ + if (TEST_HARD_REG_BIT (reload_reg_used, regno)) return 0; switch (type) { case RELOAD_OTHER: - /* In use for anything except RELOAD_FOR_OTHER_ADDRESS means - we can't use it for RELOAD_OTHER. */ - if (TEST_HARD_REG_BIT (reload_reg_used, regno) + /* 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_insn, regno)) return 0; @@ -4665,10 +4660,8 @@ reloads_conflict (r1, r2) int r1_opnum = reload_opnum[r1]; int r2_opnum = reload_opnum[r2]; - /* RELOAD_OTHER conflicts with everything except - RELOAD_FOR_OTHER_ADDRESS. */ - - if (r2_type == RELOAD_OTHER && r1_type != RELOAD_FOR_OTHER_ADDRESS) + /* RELOAD_OTHER conflicts with everything. */ + if (r2_type == RELOAD_OTHER) return 1; /* Otherwise, check conflicts differently for each type. */ @@ -4712,7 +4705,7 @@ reloads_conflict (r1, r2) return r2_type == RELOAD_FOR_OTHER_ADDRESS; case RELOAD_OTHER: - return r2_type != RELOAD_FOR_OTHER_ADDRESS; + return 1; default: abort (); @@ -6508,7 +6501,7 @@ emit_reload_insns (insn) RELOAD_FOR_OTHER_ADDRESS reloads for input addresses. - RELOAD_OTHER reloads, output in ascending order by reload number. + RELOAD_OTHER reloads. For each operand, any RELOAD_FOR_INPUT_ADDRESS reloads followed by the RELOAD_FOR_INPUT reload for the operand. |