diff options
Diffstat (limited to 'lib/Target/ARM/ARMInstrThumb2.td')
-rw-r--r-- | lib/Target/ARM/ARMInstrThumb2.td | 27 |
1 files changed, 12 insertions, 15 deletions
diff --git a/lib/Target/ARM/ARMInstrThumb2.td b/lib/Target/ARM/ARMInstrThumb2.td index d49b3ad1c7..e780b8aae7 100644 --- a/lib/Target/ARM/ARMInstrThumb2.td +++ b/lib/Target/ARM/ARMInstrThumb2.td @@ -3457,21 +3457,18 @@ let imod = 0, iflags = 0, M = 1 in // A6.3.4 Branches and miscellaneous control // Table A6-14 Change Processor State, and hint instructions -class T2I_hint<bits<8> op7_0, string opc, string asm> - : T2I<(outs), (ins), NoItinerary, opc, asm, []> { - let Inst{31-20} = 0xf3a; - let Inst{19-16} = 0b1111; - let Inst{15-14} = 0b10; - let Inst{12} = 0; - let Inst{10-8} = 0b000; - let Inst{7-0} = op7_0; -} - -def t2NOP : T2I_hint<0b00000000, "nop", ".w">; -def t2YIELD : T2I_hint<0b00000001, "yield", ".w">; -def t2WFE : T2I_hint<0b00000010, "wfe", ".w">; -def t2WFI : T2I_hint<0b00000011, "wfi", ".w">; -def t2SEV : T2I_hint<0b00000100, "sev", ".w">; +def t2HINT : T2I<(outs), (ins imm0_255:$imm), NoItinerary, "hint", "\t$imm",[]>{ + bits<8> imm; + let Inst{31-8} = 0b111100111010111110000000; + let Inst{7-0} = imm; +} + +def : t2InstAlias<"hint$p.w $imm", (t2HINT imm0_255:$imm, pred:$p)>; +def : t2InstAlias<"nop$p.w", (t2HINT 0, pred:$p)>; +def : t2InstAlias<"yield$p.w", (t2HINT 1, pred:$p)>; +def : t2InstAlias<"wfe$p.w", (t2HINT 2, pred:$p)>; +def : t2InstAlias<"wfi$p.w", (t2HINT 3, pred:$p)>; +def : t2InstAlias<"sev$p.w", (t2HINT 4, pred:$p)>; def t2DBG : T2I<(outs), (ins imm0_15:$opt), NoItinerary, "dbg", "\t$opt", []> { bits<4> opt; |