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| author | Geoff Keating <geoffk@cygnus.com> | 2000-10-23 18:45:15 +0000 |
|---|---|---|
| committer | Geoffrey Keating <geoffk@gcc.gnu.org> | 2000-10-23 18:45:15 +0000 |
| commit | 2af88768a87bab5f3234ece4ff6029244b197171 (patch) | |
| tree | 118ecad6f53ccd2286fe75a9eb596723de62a3f5 /gcc | |
| parent | 96af667a5e7aa8909958c4c59b8672fc93d24799 (diff) | |
| download | gcc-2af88768a87bab5f3234ece4ff6029244b197171.zip gcc-2af88768a87bab5f3234ece4ff6029244b197171.tar.gz gcc-2af88768a87bab5f3234ece4ff6029244b197171.tar.bz2 | |
reload1.c (reload_reg_reaches_end_p): A RELOAD_OTHER can overwrite the value in a RELOAD_FOR_INPUT and other kinds of...
* reload1.c (reload_reg_reaches_end_p): A RELOAD_OTHER can
overwrite the value in a RELOAD_FOR_INPUT and other kinds of
reloads just like an RELOAD_FOR_OUTPUT would.
From-SVN: r37019
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/reload1.c | 12 |
2 files changed, 11 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 8a97f07..b8d1ab6 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,9 @@ 2000-10-23 Geoff Keating <geoffk@cygnus.com> + * reload1.c (reload_reg_reaches_end_p): A RELOAD_OTHER can + overwrite the value in a RELOAD_FOR_INPUT and other kinds of + reloads just like an RELOAD_FOR_OUTPUT would. + * local-alloc.c (update_equiv_regs): Add an abort(). When deleting or moving insns, update reg_equiv[regno].init_insns. diff --git a/gcc/reload1.c b/gcc/reload1.c index f90897a..c194361 100644 --- a/gcc/reload1.c +++ b/gcc/reload1.c @@ -4480,8 +4480,9 @@ reload_reg_reaches_end_p (regno, opnum, type) if (TEST_HARD_REG_BIT (reload_reg_used_in_op_addr_reload, regno)) return 0; - return (! TEST_HARD_REG_BIT (reload_reg_used_in_op_addr, regno) - && ! TEST_HARD_REG_BIT (reload_reg_used_in_insn, regno)); + return (!TEST_HARD_REG_BIT (reload_reg_used_in_op_addr, regno) + && !TEST_HARD_REG_BIT (reload_reg_used_in_insn, regno) + && !TEST_HARD_REG_BIT (reload_reg_used, regno)); case RELOAD_FOR_INPUT: /* Similar to input address, except we start at the next operand for @@ -4506,7 +4507,7 @@ reload_reg_reaches_end_p (regno, opnum, type) || TEST_HARD_REG_BIT (reload_reg_used_in_output[i], regno)) return 0; - return 1; + return (!TEST_HARD_REG_BIT (reload_reg_used, regno)); case RELOAD_FOR_OPADDR_ADDR: for (i = 0; i < reload_n_operands; i++) @@ -4515,8 +4516,9 @@ reload_reg_reaches_end_p (regno, opnum, type) || TEST_HARD_REG_BIT (reload_reg_used_in_output[i], regno)) return 0; - return (! TEST_HARD_REG_BIT (reload_reg_used_in_op_addr, regno) - && !TEST_HARD_REG_BIT (reload_reg_used_in_insn, regno)); + return (!TEST_HARD_REG_BIT (reload_reg_used_in_op_addr, regno) + && !TEST_HARD_REG_BIT (reload_reg_used_in_insn, regno) + && !TEST_HARD_REG_BIT (reload_reg_used, regno)); case RELOAD_FOR_INSN: /* These conflict with other outputs with RELOAD_OTHER. So |