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re PR target/35540 (Segmentation fault with __builtin_parity() and -O1)

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PR target/35540
        * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
        constraint for operand 1.
        (paritysi2_cmp): Use register_operand constraint for operand 2.
        Use earlyclobber modifier for operand 1.  Remove support for
        memory operands.
        (paritydi2_cmp): Use register_operand constraint for operand 3.
        Use earlyclobber modifier for operand 1.  Remove support for
        memory operands.

testsuite/ChangeLog:

        PR target/35540
        * gcc.target/i386/pr35540.c: New test.

From-SVN: r133118
This commit is contained in:
Uros Bizjak 2008-03-11 20:18:48 +01:00
parent ec6237e440
commit 40cca4f97c
4 changed files with 77 additions and 22 deletions
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14
gcc/ChangeLog
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@ -1,5 +1,17 @@
2008-03-11 Uros Bizjak <ubizjak@gmail.com>
PR target/35540
* config/i386/i386.md (paritysi2, paritydi2): Use register_operand
constraint for operand 1.
(paritysi2_cmp): Use register_operand constraint for operand 2.
Use earlyclobber modifier for operand 1. Remove support for
memory operands.
(paritydi2_cmp): Use register_operand constraint for operand 3.
Use earlyclobber modifier for operand 1. Remove support for
memory operands.
2008-03-11 Paul Brook <paul@codesourcery.com>
Vladimir Prus <vladimir@codesourcery.com>
Vladimir Prus <vladimir@codesourcery.com>
* config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
(arm_compute_save_reg0_reg12_mask): Always

35
gcc/config/i386/i386.md
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@ -15429,7 +15429,7 @@
(define_expand "paritydi2"
[(set (match_operand:DI 0 "register_operand" "")
(parity:DI (match_operand:DI 1 "nonimmediate_operand" "")))]
(parity:DI (match_operand:DI 1 "register_operand" "")))]
"! TARGET_POPCNT"
{
rtx scratch = gen_reg_rtx (QImode);
@ -15457,10 +15457,10 @@
(define_insn_and_split "paritydi2_cmp"
[(set (reg:CC FLAGS_REG)
(parity:CC (match_operand:DI 3 "nonimmediate_operand" "0,m")))
(clobber (match_scratch:DI 0 "=r,X"))
(clobber (match_scratch:SI 1 "=r,r"))
(clobber (match_scratch:HI 2 "=Q,Q"))]
(parity:CC (match_operand:DI 3 "register_operand" "0")))
(clobber (match_scratch:DI 0 "=r"))
(clobber (match_scratch:SI 1 "=&r"))
(clobber (match_scratch:HI 2 "=Q"))]
"! TARGET_POPCNT"
"#"
"&& reload_completed"
@ -15476,20 +15476,18 @@
{
operands[4] = gen_lowpart (SImode, operands[3]);
if (MEM_P (operands[3]))
emit_move_insn (operands[1], gen_highpart (SImode, operands[3]));
else if (! TARGET_64BIT)
operands[1] = gen_highpart (SImode, operands[3]);
else
if (TARGET_64BIT)
{
emit_move_insn (operands[1], gen_lowpart (SImode, operands[3]));
emit_insn (gen_lshrdi3 (operands[3], operands[3], GEN_INT (32)));
}
else
operands[1] = gen_highpart (SImode, operands[3]);
})
(define_expand "paritysi2"
[(set (match_operand:SI 0 "register_operand" "")
(parity:SI (match_operand:SI 1 "nonimmediate_operand" "")))]
(parity:SI (match_operand:SI 1 "register_operand" "")))]
"! TARGET_POPCNT"
{
rtx scratch = gen_reg_rtx (QImode);
@ -15508,9 +15506,9 @@
(define_insn_and_split "paritysi2_cmp"
[(set (reg:CC FLAGS_REG)
(parity:CC (match_operand:SI 2 "nonimmediate_operand" "0,m")))
(clobber (match_scratch:SI 0 "=r,X"))
(clobber (match_scratch:HI 1 "=Q,Q"))]
(parity:CC (match_operand:SI 2 "register_operand" "0")))
(clobber (match_scratch:SI 0 "=r"))
(clobber (match_scratch:HI 1 "=&Q"))]
"! TARGET_POPCNT"
"#"
"&& reload_completed"
@ -15525,13 +15523,8 @@
{
operands[3] = gen_lowpart (HImode, operands[2]);
if (MEM_P (operands[2]))
emit_move_insn (operands[1], gen_highpart (HImode, operands[2]));
else
{
emit_move_insn (operands[1], gen_lowpart (HImode, operands[2]));
emit_insn (gen_lshrsi3 (operands[2], operands[2], GEN_INT (16)));
}
emit_move_insn (operands[1], gen_lowpart (HImode, operands[2]));
emit_insn (gen_lshrsi3 (operands[2], operands[2], GEN_INT (16)));
})
(define_insn "*parityhi2_cmp"

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2008-03-11 Uros Bizjak <ubizjak@gmail.com>
PR target/35540
* gcc.target/i386/pr35540.c: New test.
2008-03-11 Uros Bizjak <ubizjak@gmail.com>
* g++.dg/inherit/override-attribs.C: Require ilp32 x86 target.

45
gcc/testsuite/gcc.target/i386/pr35540.c Normal file
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@ -0,0 +1,45 @@
/* { dg-do run } */
/* { dg-options "-O2" } */
extern void abort (void);
int __attribute__ ((noinline))
test (unsigned int *a, int b)
{
return b ? 1 : __builtin_parity (*a);
}
int __attribute__ ((noinline))
testl (unsigned long *a, int b)
{
return b ? 1 : __builtin_parityl (*a);
}
int __attribute__ ((noinline))
testll (unsigned long long *a, int b)
{
return b ? 1 : __builtin_parityll (*a);
}
int
main ()
{
unsigned int a = 0;
unsigned long al;
unsigned long long all;
a = 0x12345670;
if (test (&a, 0))
abort ();
al = 0x12345670ul;
if (testl (&al, 0))
abort();
#if 1
all = 0x12345678abcdef0ull;
if (testll (&all, 0))
abort ();
#endif
return 0;
}