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Make CONTAINING-INTEGER-TYPE take N-WORD-BITS into account.
[sbcl.git]
/
src
/
compiler
/
x86-64
/
arith.lisp
diff --git
a/src/compiler/x86-64/arith.lisp
b/src/compiler/x86-64/arith.lisp
index
22d5bc1
..
1413f40
100644
(file)
--- a/
src/compiler/x86-64/arith.lisp
+++ b/
src/compiler/x86-64/arith.lisp
@@
-1012,9
+1012,7
@@
constant shift greater than word length")))
(:result-types unsigned-num)
(:generator 28
(move res arg)
(:result-types unsigned-num)
(:generator 28
(move res arg)
- (if (sc-is res unsigned-reg)
- (inst test res res)
- (inst cmp res 0))
+ (inst test res res)
(inst jmp :ge POS)
(inst not res)
POS
(inst jmp :ge POS)
(inst not res)
POS
@@
-1081,10
+1079,8
@@
constant shift greater than word length")))
(:generator 25
(move res arg)
(when (> n-fixnum-tag-bits 1)
(:generator 25
(move res arg)
(when (> n-fixnum-tag-bits 1)
- (inst shr res (1- n-fixnum-tag-bits)))
- (if (sc-is res unsigned-reg)
- (inst test res res)
- (inst cmp res 0))
+ (inst sar res (1- n-fixnum-tag-bits)))
+ (inst test res res)
(inst jmp :ge POS)
(inst not res)
POS
(inst jmp :ge POS)
(inst not res)
POS