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(simplify_binary_operation): Test value of SHIFT_COUNT_TRUNCATED if it 

is defined.

From-SVN: r5731
This commit is contained in:
Richard Kenner 1993-10-11 07:39:02 -04:00
parent 5541136b1b
commit 85c0a55631
1 changed files with 8 additions and 4 deletions
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12
gcc/cse.c
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@ -3409,7 +3409,8 @@ simplify_binary_operation (code, mode, op0, op1)
case ASHIFT: case LSHIFT:
case ROTATE: case ROTATERT:
#ifdef SHIFT_COUNT_TRUNCATED
l2 &= (GET_MODE_BITSIZE (mode) - 1), h2 = 0;
if (SHIFT_COUNT_TRUNCATED)
l2 &= (GET_MODE_BITSIZE (mode) - 1), h2 = 0;
#endif
if (h2 != 0 || l2 < 0 || l2 >= GET_MODE_BITSIZE (mode))
@ -3840,7 +3841,8 @@ simplify_binary_operation (code, mode, op0, op1)
return 0;
#ifdef SHIFT_COUNT_TRUNCATED
arg1 &= (BITS_PER_WORD - 1);
if (SHIFT_COUNT_TRUNCATED)
arg1 &= (BITS_PER_WORD - 1);
#endif
if (arg1 >= width)
@ -3855,7 +3857,8 @@ simplify_binary_operation (code, mode, op0, op1)
return 0;
#ifdef SHIFT_COUNT_TRUNCATED
arg1 &= (BITS_PER_WORD - 1);
if (SHIFT_COUNT_TRUNCATED)
arg1 &= (BITS_PER_WORD - 1);
#endif
if (arg1 >= width)
@ -3869,7 +3872,8 @@ simplify_binary_operation (code, mode, op0, op1)
return 0;
#ifdef SHIFT_COUNT_TRUNCATED
arg1 &= (BITS_PER_WORD - 1);
if (SHIFT_COUNT_TRUNCATED)
arg1 &= (BITS_PER_WORD - 1);
#endif
if (arg1 >= width)