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Diffstat (limited to 'vm/mterp/x86/OP_NEG_LONG.S')
-rw-r--r--vm/mterp/x86/OP_NEG_LONG.S15
1 files changed, 15 insertions, 0 deletions
diff --git a/vm/mterp/x86/OP_NEG_LONG.S b/vm/mterp/x86/OP_NEG_LONG.S
new file mode 100644
index 0000000..9543351
--- /dev/null
+++ b/vm/mterp/x86/OP_NEG_LONG.S
@@ -0,0 +1,15 @@
+%verify "executed"
+ /* unop vA, vB */
+ movzbl rINSTbl,%ecx # ecx<- BA
+ sarl $$4,%ecx # ecx<- B
+ andb $$0xf,rINSTbl # rINST<- A
+ GET_VREG_WORD %eax %ecx 0 # eax<- v[B+0]
+ GET_VREG_WORD %ecx %ecx 1 # ecx<- v[B+1]
+ negl %eax
+ adcl $$0,%ecx
+ negl %ecx
+ SET_VREG_WORD %eax rINST 0 # v[A+0]<- eax
+ FETCH_INST_OPCODE 1 %eax
+ SET_VREG_WORD %ecx rINST 1 # v[A+1]<- ecx
+ ADVANCE_PC 1
+ GOTO_NEXT_R %eax