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diff --git a/ext/systemc/src/sysc/qt/md/m88k_b.s b/ext/systemc/src/sysc/qt/md/m88k_b.s
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+/*
+ * QuickThreads -- Threads-building toolkit.
+ * Copyright (c) 1993 by David Keppel
+ *
+ * Permission to use, copy, modify and distribute this software and
+ * its documentation for any purpose and without fee is hereby
+ * granted, provided that the above copyright notice and this notice
+ * appear in all copies. This software is provided as a
+ * proof-of-concept and for demonstration purposes; there is no
+ * representation about the suitability of this software for any
+ * purpose.
+ */
+
+ .text
+ .globl _b_call_reg
+ .globl _b_call_imm
+ .globl _b_add
+ .globl _b_load
+
+_b_null:
+ jmp r1
+
+_b_call_reg:
+ subu r31, r31,8 /* Alloc ret pc save space. */
+ st r1, r31,32 /* Save ret pc. */
+ or.u r3, r0,hi16(_b_null) /* Put call addr in a reg. */
+ or r3, r3,lo16(_b_null)
+ jsr r3
+L0:
+ jsr r3
+ jsr r3
+ jsr r3
+ jsr.n r3
+ subu r2, r2,5 /* Decrement #of iter to go. */
+ bcnd.n gt0,r2,L0
+ jsr r3
+
+ ld r1, r31,32
+ jmp r1
+
+
+_b_call_imm:
+ subu r31, r31,8 /* Alloc ret pc save space. */
+ st r1, r31,32 /* Save ret pc. */
+ bsr _b_null
+L1:
+ bsr _b_null
+ bsr _b_null
+ bsr _b_null
+ bsr.n _b_null
+ subu r2, r2,5 /* Decrement #of iter to go. */
+ bcnd.n gt0,r2,L1
+ bsr _b_null
+
+ ld r1, r31,32
+ jmp r1
+
+_b_add:
+ add r0, r3,r4
+L2:
+ add r3, r4,r5
+ add r4, r5,r6
+ add r5, r6,r7
+ add r8, r9,r0
+ add r0, r3,r4
+ add r3, r4,r5
+ add r4, r5,r6
+ add r5, r6,r7
+ add r8, r9,r0
+
+ add r0, r3,r4
+ add r3, r4,r5
+ add r4, r5,r6
+ add r5, r6,r7
+ add r8, r9,r0
+ add r0, r3,r4
+ add r3, r4,r5
+ add r4, r5,r6
+ add r5, r6,r7
+ add r8, r9,r0
+
+ subu r2, r2,20 /* Decrement #of iter to go. */
+ bcnd.n gt0,r2,L2
+ add r0, r3,r4
+
+ jmp r1
+
+
+_b_load:
+ ld r0, r31,0
+L3:
+ ld r3, r31,4
+ ld r4, r31,8
+ ld r5, r31,12
+ ld r6, r31,16
+ ld r0, r31,0
+ ld r3, r31,4
+ ld r4, r31,8
+ ld r5, r31,12
+ ld r6, r31,16
+
+ ld r0, r31,0
+ ld r3, r31,4
+ ld r4, r31,8
+ ld r5, r31,12
+ ld r6, r31,16
+ ld r0, r31,0
+ ld r3, r31,4
+ ld r4, r31,8
+ ld r5, r31,12
+ ld r6, r31,16
+
+ subu r2, r2,20 /* Decrement #of iter to go. */
+ bcnd.n gt0,r2,L3
+ ld r0, r31,0
+
+ jmp r1