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predicates.md (shift_amount_operand): Remove constant range check. 

2011-10-07  Andrew Stubbs  <ams@codesourcery.com>

	gcc/
	* config/arm/predicates.md (shift_amount_operand): Remove constant
	range check.
	(shift_operator): Check range of constants for all shift operators.

	gcc/testsuite/
	* gcc.dg/pr50193-1.c: New file.
	* gcc.target/arm/shiftable.c: New file.

From-SVN: r179661
This commit is contained in:
Andrew Stubbs 2011-10-07 14:59:37 +00:00 committed by Andrew Stubbs
parent 58eba51591
commit 55cdadd504
3 changed files with 22 additions and 3 deletions
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6
gcc/ChangeLog
View File

@ -1,3 +1,9 @@
2011-10-07 Andrew Stubbs <ams@codesourcery.com>
* config/arm/predicates.md (shift_amount_operand): Remove constant
range check.
(shift_operator): Check range of constants for all shift operators.
2011-10-07 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
* config/s390/s390.c (s390_emit_tls_call_insn): Remove assertion.

14
gcc/config/arm/predicates.md
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@ -129,11 +129,12 @@
(ior (match_operand 0 "arm_rhs_operand")
(match_operand 0 "memory_operand")))
;; This doesn't have to do much because the constant is already checked
;; in the shift_operator predicate.
(define_predicate "shift_amount_operand"
(ior (and (match_test "TARGET_ARM")
(match_operand 0 "s_register_operand"))
(and (match_code "const_int")
(match_test "((unsigned HOST_WIDE_INT) INTVAL (op)) < 32"))))
(match_operand 0 "const_int_operand")))
(define_predicate "arm_add_operand"
(ior (match_operand 0 "arm_rhs_operand")
@ -219,13 +220,20 @@
(match_test "mode == GET_MODE (op)")))
;; True for shift operators.
;; Notes:
;; * mult is only permitted with a constant shift amount
;; * patterns that permit register shift amounts only in ARM mode use
;; shift_amount_operand, patterns that always allow registers do not,
;; so we don't have to worry about that sort of thing here.
(define_special_predicate "shift_operator"
(and (ior (ior (and (match_code "mult")
(match_test "power_of_two_operand (XEXP (op, 1), mode)"))
(and (match_code "rotate")
(match_test "GET_CODE (XEXP (op, 1)) == CONST_INT
&& ((unsigned HOST_WIDE_INT) INTVAL (XEXP (op, 1))) < 32")))
(match_code "ashift,ashiftrt,lshiftrt,rotatert"))
(and (match_code "ashift,ashiftrt,lshiftrt,rotatert")
(match_test "GET_CODE (XEXP (op, 1)) != CONST_INT
|| ((unsigned HOST_WIDE_INT) INTVAL (XEXP (op, 1))) < 32")))
(match_test "mode == GET_MODE (op)")))
;; True for shift operators which can be used with saturation instructions.

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2011-10-07 Andrew Stubbs <ams@codesourcery.com>
* gcc.dg/pr50193-1.c: New file.
* gcc.target/arm/shiftable.c: New file.
2011-10-07 Janus Weil <janus@gcc.gnu.org>
PR fortran/50625