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reload1.c (reload_reg_reaches_end_p): A RELOAD_OTHER can overwrite the value in a RELOAD_FOR_INPUT and other kinds of...

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* 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
This commit is contained in:
Geoff Keating 2000-10-23 18:45:15 +00:00 committed by Geoffrey Keating
parent 96af667a5e
commit 2af88768a8
2 changed files with 11 additions and 5 deletions
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4
gcc/ChangeLog
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@ -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.

12
gcc/reload1.c
View File

@ -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