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re PR target/49049 (ICE in copyprop_hardreg_forward_1, at regcprop.c:767)

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PR target/49049
	* config/arm/arm.md (arm_subsi3_insn): Lose the last alternative.

	* gcc.c-torture/compile/pr49049.c: New test.

From-SVN: r179607
This commit is contained in:
Bernd Schmidt 2011-10-06 13:12:50 +00:00 committed by Bernd Schmidt
parent 4da6de81bc
commit 16340e8601
4 changed files with 44 additions and 9 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2011-10-06 Bernd Schmidt <bernds@codesourcery.com>
PR target/49049
* config/arm/arm.md (arm_subsi3_insn): Lose the last alternative.
2011-10-06 Ulrich Weigand <ulrich.weigand@linaro.org>
PR target/50305

15
gcc/config/arm/arm.md
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@ -1213,27 +1213,24 @@
; ??? Check Thumb-2 split length
(define_insn_and_split "*arm_subsi3_insn"
[(set (match_operand:SI 0 "s_register_operand" "=r,r,rk,r,r")
(minus:SI (match_operand:SI 1 "reg_or_int_operand" "rI,r,k,?n,r")
(match_operand:SI 2 "reg_or_int_operand" "r,rI,r, r,?n")))]
[(set (match_operand:SI 0 "s_register_operand" "=r,r,rk,r")
(minus:SI (match_operand:SI 1 "reg_or_int_operand" "rI,r,k,?n")
(match_operand:SI 2 "reg_or_int_operand" "r,rI,r, r")))]
"TARGET_32BIT"
"@
rsb%?\\t%0, %2, %1
sub%?\\t%0, %1, %2
sub%?\\t%0, %1, %2
#
#"
"&& ((GET_CODE (operands[1]) == CONST_INT
&& !const_ok_for_arm (INTVAL (operands[1])))
|| (GET_CODE (operands[2]) == CONST_INT
&& !const_ok_for_arm (INTVAL (operands[2]))))"
"&& (GET_CODE (operands[1]) == CONST_INT
&& !const_ok_for_arm (INTVAL (operands[1])))"
[(clobber (const_int 0))]
"
arm_split_constant (MINUS, SImode, curr_insn,
INTVAL (operands[1]), operands[0], operands[2], 0);
DONE;
"
[(set_attr "length" "4,4,4,16,16")
[(set_attr "length" "4,4,4,16")
(set_attr "predicable" "yes")]
)

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2011-10-06 Bernd Schmidt <bernds@codesourcery.com>
PR target/49049
* gcc.c-torture/compile/pr49049.c: New test.
2011-10-06 Ulrich Weigand <ulrich.weigand@linaro.org>
PR target/50305

28
gcc/testsuite/gcc.c-torture/compile/pr49049.c Normal file
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@ -0,0 +1,28 @@
__extension__ typedef unsigned long long int uint64_t;
static int
sub (int a, int b)
{
return a - b;
}
static uint64_t
add (uint64_t a, uint64_t b)
{
return a + b;
}
int *ptr;
int
foo (uint64_t arg1, int *arg2)
{
int j;
for (; j < 1; j++)
{
*arg2 |= sub ( sub (sub (j || 1 ^ 0x1, 1), arg1 < 0x1 <=
sub (1, *ptr & j)),
(sub ( j != 1 || sub (j && j, 1) >= 0,
add (!j > arg1, 0x35DLL))));
}
}