/usr/src/gcc-4.4/debian/patches/gcc-arm-earlyclobbers.diff is in gcc-4.4-source 4.4.7-8ubuntu1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 | # DP: Fix earlyclobbers on some arm.md DImode shifts.
gcc/
2010-09-12 Bernd Schmidt <bernds@codesourcery.com>
* config/arm/arm.md (arm_ashldi3_1bit, arm_ashrdi3_1bit,
arm_lshrdi3_1bit): Put earlyclobber on the right alternative.
Index: gcc/config/arm/arm.md
===================================================================
--- a/src/gcc/config/arm/arm.md (revision 164231)
+++ b/src/gcc/config/arm/arm.md (revision 164232)
@@ -3322,7 +3322,7 @@
)
(define_insn "arm_ashldi3_1bit"
- [(set (match_operand:DI 0 "s_register_operand" "=&r,r")
+ [(set (match_operand:DI 0 "s_register_operand" "=r,&r")
(ashift:DI (match_operand:DI 1 "s_register_operand" "0,r")
(const_int 1)))
(clobber (reg:CC CC_REGNUM))]
@@ -3381,7 +3381,7 @@
)
(define_insn "arm_ashrdi3_1bit"
- [(set (match_operand:DI 0 "s_register_operand" "=&r,r")
+ [(set (match_operand:DI 0 "s_register_operand" "=r,&r")
(ashiftrt:DI (match_operand:DI 1 "s_register_operand" "0,r")
(const_int 1)))
(clobber (reg:CC CC_REGNUM))]
@@ -3438,7 +3438,7 @@
)
(define_insn "arm_lshrdi3_1bit"
- [(set (match_operand:DI 0 "s_register_operand" "=&r,r")
+ [(set (match_operand:DI 0 "s_register_operand" "=r,&r")
(lshiftrt:DI (match_operand:DI 1 "s_register_operand" "0,r")
(const_int 1)))
(clobber (reg:CC CC_REGNUM))]
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