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authorjules <jules@138bc75d-0d04-0410-961f-82ee72b054a4>2009-12-07 20:34:53 +0000
committerjules <jules@138bc75d-0d04-0410-961f-82ee72b054a4>2009-12-07 20:34:53 +0000
commit21c5864a06565425827394a1b52b8807042d7cd6 (patch)
tree5165a40594ed47e37e2264d17ac2f05dd914d583 /gcc/config
parent8f30f9f62c6c8a8dbce60d7df6ed079c7043cec3 (diff)
downloadgcc-21c5864a06565425827394a1b52b8807042d7cd6.tar.gz
gcc/
* config/arm/constraints.md (Ps, Pt): New constraint letters. * config/arm/thumb2.md (*thumb2_addsi_short): Tighten constraints. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@155054 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/config')
-rw-r--r--gcc/config/arm/constraints.md11
-rw-r--r--gcc/config/arm/thumb2.md6
2 files changed, 14 insertions, 3 deletions
diff --git a/gcc/config/arm/constraints.md b/gcc/config/arm/constraints.md
index c40d695f0d8..cb75558984c 100644
--- a/gcc/config/arm/constraints.md
+++ b/gcc/config/arm/constraints.md
@@ -31,6 +31,7 @@
;; The following multi-letter normal constraints have been used:
;; in ARM/Thumb-2 state: Da, Db, Dc, Dn, Dl, DL, Dv, Dy
;; in Thumb-1 state: Pa, Pb
+;; in Thumb-2 state: Ps, Pt
;; The following memory constraints have been used:
;; in ARM/Thumb-2 state: Q, Ut, Uv, Uy, Un, Um, Us
@@ -147,6 +148,16 @@
(match_test "TARGET_THUMB1 && ival >= -262 && ival <= 262
&& (ival > 255 || ival < -255)")))
+(define_constraint "Ps"
+ "@internal In Thumb-2 state a constant in the range -255 to +255"
+ (and (match_code "const_int")
+ (match_test "TARGET_THUMB2 && ival >= -255 && ival <= 255")))
+
+(define_constraint "Pt"
+ "@internal In Thumb-2 state a constant in the range -7 to +7"
+ (and (match_code "const_int")
+ (match_test "TARGET_THUMB2 && ival >= -7 && ival <= 7")))
+
(define_constraint "G"
"In ARM/Thumb-2 state a valid FPA immediate constant."
(and (match_code "const_double")
diff --git a/gcc/config/arm/thumb2.md b/gcc/config/arm/thumb2.md
index cd317f1eae9..5e4eeedd1b6 100644
--- a/gcc/config/arm/thumb2.md
+++ b/gcc/config/arm/thumb2.md
@@ -1197,9 +1197,9 @@
)
(define_insn "*thumb2_addsi_short"
- [(set (match_operand:SI 0 "low_register_operand" "=l")
- (plus:SI (match_operand:SI 1 "low_register_operand" "l")
- (match_operand:SI 2 "low_reg_or_int_operand" "lIL")))
+ [(set (match_operand:SI 0 "low_register_operand" "=l,l")
+ (plus:SI (match_operand:SI 1 "low_register_operand" "l,0")
+ (match_operand:SI 2 "low_reg_or_int_operand" "lPt,Ps")))
(clobber (reg:CC CC_REGNUM))]
"TARGET_THUMB2 && reload_completed"
"*