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llvm-project/llvm/test/MC/PowerPC/dcbt.s

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[PowerPC] Add asm/disasm support for dcbt with hint Add assembler/disassembler support for dcbt/dcbtst (and aliases) with the hint field specified (non-zero). Unforunately, the syntax for this instruction is special in that it differs for server vs. embedded cores: dcbt ra, rb, th [server] dcbt th, ra, rb [embedded] where th can be omitted when it is 0. dcbtst is the same. Thus we need to play games in the parser and the printer to flip the operands around on the embedded cores. We'll use the server syntax as the default (binutils currently uses the embedded form by default, but IBM is changing that). We also stop marking dcbtst as having unmodeled side effects (this is not necessary, it is just a hint like dcbt -- noticed by inspection, so no separate test case). llvm-svn: 235657
2015-04-24 06:47:57 +08:00
# RUN: llvm-mc -triple powerpc64-unknown-unknown --show-encoding %s | FileCheck -check-prefix=SERVER %s
# RUN: llvm-mc -mcpu=a2 -triple powerpc64-unknown-unknown --show-encoding %s | FileCheck -check-prefix=EMBEDDED %s
# SERVER: dcbt 2, 3, 10 # encoding: [0x7d,0x42,0x1a,0x2c]
dcbt 2, 3, 10
# SERVER: dcbtst 2, 3, 10 # encoding: [0x7d,0x42,0x19,0xec]
dcbtst 2, 3, 10
# EMBEDDED: dcbt 10, 2, 3 # encoding: [0x7d,0x42,0x1a,0x2c]
dcbt 10, 2, 3
# EMBEDDED: dcbtst 10, 2, 3 # encoding: [0x7d,0x42,0x19,0xec]
dcbtst 10, 2, 3