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re PR middle-end/7245 (ICE in find_reloads)

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PR middle-end/7245
	* config/i386/i386.c (const_int_1_31_operand): New.
	* config/i386/i386.h (PREDICATE_CODES): Add it.
	* config/i386/i386.md (ashlsi3_cmp, ashlsi3_cmp_zext, ashlhi3_cmp,
	ashlqi3_cmp, ashrsi3_cmp, ashrsi3_cmp_zext, ashrhi3_cmp, ashrqi3_cmp,
	lshrsi3_cmp, lshrsi3_cmp_zext, lshrhi3_cmp, lshrqi3_cmp): Use it.

	* gcc.c-torture/compile/20020710-1.c: New test.

From-SVN: r55451
This commit is contained in:
Jakub Jelinek 2002-07-15 08:57:36 +02:00 committed by Jakub Jelinek
parent df815141ef
commit 794a292d1c
6 changed files with 50 additions and 12 deletions
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9
gcc/ChangeLog
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@ -1,3 +1,12 @@
2002-07-15 Jakub Jelinek <jakub@redhat.com>
PR middle-end/7245
* config/i386/i386.c (const_int_1_31_operand): New.
* config/i386/i386.h (PREDICATE_CODES): Add it.
* config/i386/i386.md (ashlsi3_cmp, ashlsi3_cmp_zext, ashlhi3_cmp,
ashlqi3_cmp, ashrsi3_cmp, ashrsi3_cmp_zext, ashrhi3_cmp, ashrqi3_cmp,
lshrsi3_cmp, lshrsi3_cmp_zext, lshrhi3_cmp, lshrqi3_cmp): Use it.
2002-07-14 Alan Modra <amodra@bigpond.net.au>
PR target/7282

12
gcc/config/i386/i386.c
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@ -2838,6 +2838,18 @@ const_int_1_operand (op, mode)
return (GET_CODE (op) == CONST_INT && INTVAL (op) == 1);
}
/* Return nonzero if OP is CONST_INT >= 1 and <= 31 (a valid operand
for shift & compare patterns, as shifting by 0 does not change flags),
else return zero. */
int
const_int_1_31_operand (op, mode)
rtx op;
enum machine_mode mode ATTRIBUTE_UNUSED;
{
return (GET_CODE (op) == CONST_INT && INTVAL (op) >= 1 && INTVAL (op) <= 31);
}
/* Returns 1 if OP is either a symbol reference or a sum of a symbol
reference and a constant. */

1
gcc/config/i386/i386.h
View File

@ -3142,6 +3142,7 @@ do { \
SYMBOL_REF, LABEL_REF}}, \
{"shiftdi_operand", {SUBREG, REG, MEM}}, \
{"const_int_1_operand", {CONST_INT}}, \
{"const_int_1_31_operand", {CONST_INT}}, \
{"symbolic_operand", {SYMBOL_REF, LABEL_REF, CONST}}, \
{"aligned_operand", {CONST_INT, CONST_DOUBLE, CONST, SYMBOL_REF, \
LABEL_REF, SUBREG, REG, MEM}}, \

24
gcc/config/i386/i386.md
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@ -10687,7 +10687,7 @@
[(set (reg 17)
(compare
(ashift:SI (match_operand:SI 1 "nonimmediate_operand" "0")
(match_operand:QI 2 "immediate_operand" "I"))
(match_operand:QI 2 "const_int_1_31_operand" "I"))
(const_int 0)))
(set (match_operand:SI 0 "nonimmediate_operand" "=rm")
(ashift:SI (match_dup 1) (match_dup 2)))]
@ -10726,7 +10726,7 @@
[(set (reg 17)
(compare
(ashift:SI (match_operand:SI 1 "register_operand" "0")
(match_operand:QI 2 "immediate_operand" "I"))
(match_operand:QI 2 "const_int_1_31_operand" "I"))
(const_int 0)))
(set (match_operand:DI 0 "register_operand" "=r")
(zero_extend:DI (ashift:SI (match_dup 1) (match_dup 2))))]
@ -10851,7 +10851,7 @@
[(set (reg 17)
(compare
(ashift:HI (match_operand:HI 1 "nonimmediate_operand" "0")
(match_operand:QI 2 "immediate_operand" "I"))
(match_operand:QI 2 "const_int_1_31_operand" "I"))
(const_int 0)))
(set (match_operand:HI 0 "nonimmediate_operand" "=rm")
(ashift:HI (match_dup 1) (match_dup 2)))]
@ -11015,7 +11015,7 @@
[(set (reg 17)
(compare
(ashift:QI (match_operand:QI 1 "nonimmediate_operand" "0")
(match_operand:QI 2 "immediate_operand" "I"))
(match_operand:QI 2 "const_int_1_31_operand" "I"))
(const_int 0)))
(set (match_operand:QI 0 "nonimmediate_operand" "=qm")
(ashift:QI (match_dup 1) (match_dup 2)))]
@ -11365,7 +11365,7 @@
[(set (reg 17)
(compare
(ashiftrt:SI (match_operand:SI 1 "nonimmediate_operand" "0")
(match_operand:QI 2 "immediate_operand" "I"))
(match_operand:QI 2 "const_int_1_31_operand" "I"))
(const_int 0)))
(set (match_operand:SI 0 "nonimmediate_operand" "=rm")
(ashiftrt:SI (match_dup 1) (match_dup 2)))]
@ -11379,7 +11379,7 @@
[(set (reg 17)
(compare
(ashiftrt:SI (match_operand:SI 1 "register_operand" "0")
(match_operand:QI 2 "immediate_operand" "I"))
(match_operand:QI 2 "const_int_1_31_operand" "I"))
(const_int 0)))
(set (match_operand:DI 0 "register_operand" "=r")
(zero_extend:DI (ashiftrt:SI (match_dup 1) (match_dup 2))))]
@ -11451,7 +11451,7 @@
[(set (reg 17)
(compare
(ashiftrt:HI (match_operand:HI 1 "nonimmediate_operand" "0")
(match_operand:QI 2 "immediate_operand" "I"))
(match_operand:QI 2 "const_int_1_31_operand" "I"))
(const_int 0)))
(set (match_operand:HI 0 "nonimmediate_operand" "=rm")
(ashiftrt:HI (match_dup 1) (match_dup 2)))]
@ -11551,7 +11551,7 @@
[(set (reg 17)
(compare
(ashiftrt:QI (match_operand:QI 1 "nonimmediate_operand" "0")
(match_operand:QI 2 "immediate_operand" "I"))
(match_operand:QI 2 "const_int_1_31_operand" "I"))
(const_int 0)))
(set (match_operand:QI 0 "nonimmediate_operand" "=qm")
(ashiftrt:QI (match_dup 1) (match_dup 2)))]
@ -11784,7 +11784,7 @@
[(set (reg 17)
(compare
(lshiftrt:SI (match_operand:SI 1 "nonimmediate_operand" "0")
(match_operand:QI 2 "immediate_operand" "I"))
(match_operand:QI 2 "const_int_1_31_operand" "I"))
(const_int 0)))
(set (match_operand:SI 0 "nonimmediate_operand" "=rm")
(lshiftrt:SI (match_dup 1) (match_dup 2)))]
@ -11798,7 +11798,7 @@
[(set (reg 17)
(compare
(lshiftrt:SI (match_operand:SI 1 "register_operand" "0")
(match_operand:QI 2 "immediate_operand" "I"))
(match_operand:QI 2 "const_int_1_31_operand" "I"))
(const_int 0)))
(set (match_operand:DI 0 "register_operand" "=r")
(lshiftrt:DI (zero_extend:DI (match_dup 1)) (match_dup 2)))]
@ -11870,7 +11870,7 @@
[(set (reg 17)
(compare
(lshiftrt:HI (match_operand:HI 1 "nonimmediate_operand" "0")
(match_operand:QI 2 "immediate_operand" "I"))
(match_operand:QI 2 "const_int_1_31_operand" "I"))
(const_int 0)))
(set (match_operand:HI 0 "nonimmediate_operand" "=rm")
(lshiftrt:HI (match_dup 1) (match_dup 2)))]
@ -11970,7 +11970,7 @@
[(set (reg 17)
(compare
(lshiftrt:QI (match_operand:QI 1 "nonimmediate_operand" "0")
(match_operand:QI 2 "immediate_operand" "I"))
(match_operand:QI 2 "const_int_1_31_operand" "I"))
(const_int 0)))
(set (match_operand:QI 0 "nonimmediate_operand" "=qm")
(lshiftrt:QI (match_dup 1) (match_dup 2)))]

4
gcc/testsuite/ChangeLog
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@ -1,3 +1,7 @@
2002-07-15 Jakub Jelinek <jakub@redhat.com>
* gcc.c-torture/compile/20020710-1.c: New test.
Thu Jul 11 15:39:21 2002 J"orn Rennecke <joern.rennecke@superh.com>
Andrew Pinski <pinskia@physics.uc.edu>

12
gcc/testsuite/gcc.c-torture/compile/20020710-1.c Normal file
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@ -0,0 +1,12 @@
/* Red Hat bugzilla #68395
PR middle-end/7245
This testcase ICEd on IA-32 because shift & compare patterns
predicates allowed any immediate, but constraints allowed only
numbers from 1 to 31. */
void foo (int *x, unsigned int y)
{
int a = y >> -13;
if (a)
*x = a;
}