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re PR middle-end/54879 (gcc/combine.c:12018: warning: comparison always false due to limited range of data type) 

PR middle-end/54879
	* combine.c (count_rtxs): Use RTX_BIN_ARITH resp. RTX_COMM_ARITH
	instead of '2' resp. 'c' for GET_RTX_CLASS comparisons.

From-SVN: r192303
This commit is contained in:
Jakub Jelinek 2012-10-10 12:41:39 +02:00 committed by Jakub Jelinek
parent 0365ba7cd0
commit a5fdcc3b9c
2 changed files with 10 additions and 6 deletions
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4
gcc/ChangeLog
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@ -1,5 +1,9 @@
2012-10-10 Jakub Jelinek <jakub@redhat.com>
PR middle-end/54879
* combine.c (count_rtxs): Use RTX_BIN_ARITH resp. RTX_COMM_ARITH
instead of '2' resp. 'c' for GET_RTX_CLASS comparisons.
PR middle-end/54862
* simplify-rtx.c (simplify_truncation): Compare UINTVAL instead of
INTVAL of second argument with precision resp. op_precision.

12
gcc/combine.c
View File

@ -12015,8 +12015,8 @@ count_rtxs (rtx x)
const char *fmt;
int i, j, ret = 1;
if (GET_RTX_CLASS (code) == '2'
|| GET_RTX_CLASS (code) == 'c')
if (GET_RTX_CLASS (code) == RTX_BIN_ARITH
|| GET_RTX_CLASS (code) == RTX_COMM_ARITH)
{
rtx x0 = XEXP (x, 0);
rtx x1 = XEXP (x, 1);
@ -12024,15 +12024,15 @@ count_rtxs (rtx x)
if (x0 == x1)
return 1 + 2 * count_rtxs (x0);
if ((GET_RTX_CLASS (GET_CODE (x1)) == '2'
|| GET_RTX_CLASS (GET_CODE (x1)) == 'c')
if ((GET_RTX_CLASS (GET_CODE (x1)) == RTX_BIN_ARITH
|| GET_RTX_CLASS (GET_CODE (x1)) == RTX_COMM_ARITH)
&& (x0 == XEXP (x1, 0) || x0 == XEXP (x1, 1)))
return 2 + 2 * count_rtxs (x0)
+ count_rtxs (x == XEXP (x1, 0)
? XEXP (x1, 1) : XEXP (x1, 0));
if ((GET_RTX_CLASS (GET_CODE (x0)) == '2'
|| GET_RTX_CLASS (GET_CODE (x0)) == 'c')
if ((GET_RTX_CLASS (GET_CODE (x0)) == RTX_BIN_ARITH
|| GET_RTX_CLASS (GET_CODE (x0)) == RTX_COMM_ARITH)
&& (x1 == XEXP (x0, 0) || x1 == XEXP (x0, 1)))
return 2 + 2 * count_rtxs (x1)
+ count_rtxs (x == XEXP (x0, 0)