-------------------------------------------------------------------------------- -- -- RTPC CPU Benchmark : -- Vectors to validate branching and jump instructions -- -- Authors: -- Alfred B. Thordarson (abth@ece.uci.edu) -- and -- Nikil Dutt, professor of CS and ECE -- University Of California, Irvine, CA 92717 -- -- Changes: -- Dec 1, 1993: File created by Alfred B. Thordarson -- -------------------------------------------------------------------------------- -- Branch and jump test write to memory @ 0x40 -- Code cau r2,r0,1 -- r2 = address to write results to -- Testing BALA and BALAX lis r3,1 -- write 1 to address r2 st 0(r2),r3 inc r2,4 lis r3,2 bala 0x120 -- write 2 to address r2 (absolute ####) lis r3,3 -- write 3 to address r2 st 0(r2),r3 inc r2,4 balax 0x12E -- write 4,5,6 and 7 to address r2 (absolute ####) lis r3,4 nop -- 4 bytes for slot lis r3,8 -- write 8 to address r2 st 0(r2),r3 inc r2,4 cal r15,r0,0xe9f5 -- r15 should not be changed by the below instructions -- Testing JB and JNB jnb 0,5 -- jump if PermanentZero is 0 lis r3,15 -- error st 0(r2),r3 inc r2,4 jb 0,5 -- jump if PermanentZero is 1 - never lis r3,9 -- write 9 to address r2 st 0(r2),r3 inc r2,4 -- Testing BB, BNB, BBR and BNBR bnb 0,6 -- branch if PermanentZero is 0 lis r3,15 -- error st 0(r2),r3 inc r2,4 bb 0,9 -- branch if PermanentZero is 1 - never lis r3,10 -- write 10 to address r2 st 0(r2),r3 inc r2,4 st 0(r2),r15 -- r15 is e9a5 inc r2,4 cal r7,r0,0xAE -- r7 is address of next cal-instruction below (abs ####) bnbr 0,r7 -- branch if PermanentZero is 0 lis r3,15 -- error st 0(r2),r3 inc r2,4 cal r7,r0,0xC2 -- r7 is address of the instruction after r15 has been stored (abs ####) bbr 0,r7 -- branch if PermanentZero is 1 - never lis r3,11 -- write 11 to address r2 st 0(r2),r3 inc r2,4 st 0(r2),r15 -- r15 is e9a5 inc r2,4 -- Testing BBX, BNBX, BBRX and BNBRX lis r3,12 -- write 12 to address r2 st 0(r2),r3 bnbx 0,8 -- branch if PermanentZero is 0 inc r2,4 nop -- 4 byte slot lis r3,15 -- error st 0(r2),r3 inc r2,4 lis r3,13 st 0(r2),r3 bbx 0,11 -- branch if PermanentZero is 1 - never inc r2,4 nop -- 4 byte slot lis r3,14 -- write 14 to address r2 st 0(r2),r3 inc r2,4 st 0(r2),r15 -- r15 is e9f5 inc r2,4 cal r7,r0,0x106 -- r7 is address of next cal-instruction below (abs ####) bnbrx 0,r7 -- branch if PermanentZero is 0 nop nop -- 4 byte slot (no instruction found for slot) lis r3,15 -- error st 0(r2),r3 inc r2,4 cal r7,r0,0x11E -- r7 is address of the instruction after r15 has been stored (abs ####) bbrx 0,r7 -- branch if PermanentZero is 1 - never nop nop -- 4 byte slot (no instruction found for slot) lis r3,0 -- write 0 to address r2 st 0(r2),r3 inc r2,4 st 0(r2),r15 -- r15 is e9f5 inc r2,4 wait 0xff ------------------------------------------------------------------ -- #SUB1 write r3 to address and return ------------------------------------------------------------------ -- Testing BALR st 0(r2),r3 inc r2,4 st 0(r2),r15 -- store return address inc r2,4 balr r15,r15 ------------------------------------------------------------------ -- #SUB2 write r3,5,6 and 7 to address r2 return with slot ------------------------------------------------------------------ -- Testing BALI, BALIX and BALRX st 0(r2),r3 -- write r3 to address r2 inc r2,4 lis r3,5 bali r1,15 -- write 5 to address r2 (relative #SUB3#) balix r1,20 -- write 6 to address r2 (relative #SUB4#) lis r3,6 nop -- 4 bytes for slot lis r3,7 -- write 7 to address r2 st 0(r2),r3 inc r2,4 st 0(r2),r15 -- store return address balrx r15,r15 -- return with slot inc r2,4 nop -- 4 bytes for slot ------------------------------------------------------------------ -- #SUB3 write r3 to address r2 and return ------------------------------------------------------------------ st 0(r2),r3 -- write r3 to address r2 inc r2,4 st 0(r2),r1 -- store return address inc r2,4 balr r1,r1 -- return ------------------------------------------------------------------ -- #SUB4 write r3 to address r2 and return with slot ------------------------------------------------------------------ st 0(r2),r3 -- write r3 to address r2 inc r2,4 st 0(r2),r1 -- store return address balrx r1,r1 -- return with slot inc r2,4 nop -- 4 bytes for slot run compare to memory @ 0x10000 =0 0 0 1 =0 0 0 2 =0 0 0 0x52 =0 0 0 3 =0 0 0 4 =0 0 0 5 =0 0 1 0x3a =0 0 0 6 =0 0 1 0x42 =0 0 0 7 =0 0 0 0x62 =0 0 0 8 =0 0 0 9 =0 0 0 10 =0 0 0xe9 0xf5 =0 0 0 11 =0 0 0xe9 0xf5 =0 0 0 12 =0 0 0 13 =0 0 0 14 =0 0 0xe9 0xf5 =0 0 0 0 =0 0 0xe9 0xf5 quit <div align="center"><br /><script type="text/javascript"><!-- google_ad_client = "pub-7293844627074885"; //468x60, Created at 07. 11. 25 google_ad_slot = "8619794253"; google_ad_width = 468; google_ad_height = 60; //--></script> <script type="text/javascript" src="http://pagead2.googlesyndication.com/pagead/show_ads.js"> </script><br /> </div>