ATI R700 Technology
Control Flow (CF) Instructions 9-3
Copyright © 2009 Advanced Micro Devices, Inc. All rights reserved.
Initiate ALU Clause, Loop Break
Instructions
ALU_BREAK
Description Initiates an ALU clause. If the clause issues PRED_SET* instructions, each PRED_SET*
instruction causes a break operation on the unmasked pixels. The instruction takes the
address to the corresponding LOOP_END instruction.
ALU_BREAK is equivalent to PUSH, ALU, ELSE, CONTINUE, and POP.
The ALU instructions within an ALU clause are described in Section Chapter 4, “ALU
Clauses,” page 4-1 and Section 9.2, “ALU Instructions,” page 9-42.
Microcode
Format CF_ALU_DWORD0 (page 10-7) and CF_ALU_DWORD1 (page 10-8).
Instruction Field CF_INST == CF_INST_ALU_BREAK, opcode 14 (0xE).
B
W
Q
M
CF_INST
A
C
COUNT KCACHE_ADDR1 KCACHE_ADDR0 KM1 +4
KM0 KB1 KB0 ADDR +0
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