do not combine asm stmts in scan_loop

From-SVN: r43178

do not combine asm stmts in scan_loop
From-SVN: r43178
89cc6be3 · Aldy Hernandez · Aldy Hernandez · 5fd83d4e · 89cc6be3 · 89cc6be3
Commit 89cc6be3 authored Jun 11, 2001 by Aldy Hernandez Committed by Aldy Hernandez Jun 11, 2001
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gcc/ChangeLog
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gcc/loop.c
+1 -0

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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
+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>

 	* simplify-rtx.c (simplify_subreg): Fix offset calculation

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