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-rw-r--r--module/system/vm/assembler.scm11
1 files changed, 10 insertions, 1 deletions
diff --git a/module/system/vm/assembler.scm b/module/system/vm/assembler.scm
index 7849e5533..774a2aa14 100644
--- a/module/system/vm/assembler.scm
+++ b/module/system/vm/assembler.scm
@@ -975,6 +975,15 @@ later by the linker."
(emit-push asm (+ c 2))
(encode-X8_S8_S8_S8-C32 asm 2 1 0 c32 opcode)
(emit-drop asm 3))))
+(define (encode-X8_S8_C8_S8-C32!/shuffle asm a const b c32 opcode)
+ (cond
+ ((< (logior a b) (ash 1 8))
+ (encode-X8_S8_C8_S8-C32 asm a const b c32 opcode))
+ (else
+ (emit-push asm a)
+ (emit-push asm (+ b 1))
+ (encode-X8_S8_C8_S8-C32 asm 1 const 0 c32 opcode)
+ (emit-drop asm 2))))
(define (encode-X8_S12_S12-C32<-/shuffle asm dst src c32 opcode)
(cond
((< (logior dst src) (ash 1 12))
@@ -1011,9 +1020,9 @@ later by the linker."
(('<- 'X8_S8_S8_S8) #'encode-X8_S8_S8_S8<-/shuffle)
(('<- 'X8_S8_S8_C8) #'encode-X8_S8_S8_C8<-/shuffle)
(('! 'X8_S8_S8_S8 'C32) #'encode-X8_S8_S8_S8-C32!/shuffle)
+ (('! 'X8_S8_C8_S8 'C32) #'encode-X8_S8_C8_S8-C32!/shuffle)
(('<- 'X8_S8_S8_S8 'C32) #'encode-X8_S8_S8_S8-C32<-/shuffle)
(('<- 'X8_S8_S8_C8 'C32) #'encode-X8_S8_S8_C8-C32<-/shuffle)
- (('! 'X8_S8_S8_C8 'C32) #'encode-X8_S8_S8_C8-C32!/shuffle)
(('<- 'X8_S12_S12 'C32) #'encode-X8_S12_S12-C32<-/shuffle)
(('! 'X8_S12_S12 'C32) #'encode-X8_S12_S12-C32!/shuffle)
(('! 'X8_S8_C8_S8) #'encode-X8_S8_C8_S8!/shuffle)