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do not combine asm stmts in scan_loop

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From-SVN: r43178
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Aldy Hernandez 2001-06-11 09:36:06 +00:00 committed by Aldy Hernandez
parent 5fd83d4e51
commit 89cc6be350
2 changed files with 5 additions and 0 deletions
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4
gcc/ChangeLog
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@ -1,3 +1,7 @@
2001-06-11 Aldy Hernandez <aldyh@redhat.com>
* loop.c (scan_loop): Do not combine asm statements.
2001-06-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz> 2001-06-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
* simplify-rtx.c (simplify_subreg): Fix offset calculation * simplify-rtx.c (simplify_subreg): Fix offset calculation

1
gcc/loop.c
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@ -772,6 +772,7 @@ scan_loop (loop, flags)
&& (REGNO_LAST_UID (regno) && (REGNO_LAST_UID (regno)
== INSN_UID (regs->array[regno].single_usage)) == INSN_UID (regs->array[regno].single_usage))
&& regs->array[regno].set_in_loop == 1 && regs->array[regno].set_in_loop == 1
&& GET_CODE (SET_SRC (set)) != ASM_OPERANDS
&& ! side_effects_p (SET_SRC (set)) && ! side_effects_p (SET_SRC (set))
&& ! find_reg_note (p, REG_RETVAL, NULL_RTX) && ! find_reg_note (p, REG_RETVAL, NULL_RTX)
&& (! SMALL_REGISTER_CLASSES && (! SMALL_REGISTER_CLASSES