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re PR bootstrap/45350 (Failed to bootstrap on Linux/ia64) 

PR bootstrap/45350
	* combine.c (try_combine): Initialize i1_is_used and i2_is_used.  Fix
	a comment.

From-SVN: r163389
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Bernd Schmidt 2010-08-19 23:34:07 +00:00 committed by Bernd Schmidt
parent e172187979
commit b98425dacb
2 changed files with 9 additions and 3 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2010-08-19 Bernd Schmidt <bernds@codesourcery.com>
PR bootstrap/45350
* combine.c (try_combine): Initialize i1_is_used and i2_is_used. Fix
a comment.
2010-08-19 Nathan Froyd <froydnj@codesourcery.com> 2010-08-19 Nathan Froyd <froydnj@codesourcery.com>
* target.def (function_arg, function_incoming_arg): Remove const * target.def (function_arg, function_incoming_arg): Remove const

6
gcc/combine.c
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@ -2511,7 +2511,7 @@ try_combine (rtx i3, rtx i2, rtx i1, rtx i0, int *new_direct_jump_p)
/* Total number of SETs to put into I3. */ /* Total number of SETs to put into I3. */
int total_sets; int total_sets;
/* Nonzero if I2's or I1's body now appears in I3. */ /* Nonzero if I2's or I1's body now appears in I3. */
int i2_is_used, i1_is_used; int i2_is_used = 0, i1_is_used = 0;
/* INSN_CODEs for new I3, new I2, and user of condition code. */ /* INSN_CODEs for new I3, new I2, and user of condition code. */
int insn_code_number, i2_code_number = 0, other_code_number = 0; int insn_code_number, i2_code_number = 0, other_code_number = 0;
/* Contains I3 if the destination of I3 is used in its source, which means /* Contains I3 if the destination of I3 is used in its source, which means
@ -2546,8 +2546,8 @@ try_combine (rtx i3, rtx i2, rtx i1, rtx i0, int *new_direct_jump_p)
int i; int i;
/* Only try four-insn combinations when there's high likelihood of /* Only try four-insn combinations when there's high likelihood of
success. Look for simple insns, such as loads of constants, unary success. Look for simple insns, such as loads of constants or
operations, or binary operations involving a constant. */ binary operations involving a constant. */
if (i0) if (i0)
{ {
int i; int i;