--- /dev/null
+# Blackfin testcase for circular buffers and BREV
+# mach: bfin
+
+ .include "testutils.inc"
+
+ start
+
+ I0 = 0 (X);
+ M0 = 0x8 (X);
+ P0 = 16;
+ loadsym R1, vals;
+
+aaa:
+ I0 += M0 (BREV);
+ P0 += -1;
+
+ R2 = I0;
+ R0 = R1 + R2
+ P1 = R0;
+ R0 = B[P1] (Z);
+
+ R3 = P0;
+
+ CC = R0 == R3;
+ if !CC JUMP _fail;
+
+ CC = P0 == 0;
+ IF !CC JUMP aaa (BP);
+ R0 = I0;
+
+ DBGA(R0.L, 0x0000);
+ DBGA(R0.H, 0x0000);
+
+ pass
+
+_fail:
+ fail
+
+ .data
+vals:
+.db 0x0 /* 0 */
+.db 0x8
+.db 0xc
+.db 0x4 /* 4 */
+.db 0xe
+.db 0x6
+.db 0xa
+.db 0x2 /* 8 */
+.db 0xf
+.db 0x7
+.db 0xB
+.db 0x3 /* c */
+.db 0xD
+.db 0x5
+.db 0x9 /* f */
+.db 0x1