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Provide Thumb2 encodings for a few miscellaneous instructions.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120455 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson 2010-11-30 20:00:01 +00:00
parent 83d6759403
commit c7373f8158
1 changed files with 22 additions and 8 deletions
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30
lib/Target/ARM/ARMInstrThumb2.td
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@ -1870,8 +1870,8 @@ def : T2Pat<(adde rGPR:$src, t2_so_imm_not:$imm),
// Select Bytes -- for disassembly only
def t2SEL : T2I<(outs GPR:$dst), (ins GPR:$a, GPR:$b), NoItinerary, "sel",
"\t$dst, $a, $b", []> {
def t2SEL : T2ThreeReg<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
NoItinerary, "sel", "\t$Rd, $Rn, $Rm", []> {
let Inst{31-27} = 0b11111;
let Inst{26-24} = 0b010;
let Inst{23} = 0b1;
@ -2005,7 +2005,8 @@ class T2SatI<dag oops, dag iops, InstrItinClass itin,
let Inst{7-6} = sh{1-0};
}
def t2SSAT: T2I<(outs rGPR:$Rd), (ins i32imm:$sat_imm, rGPR:$Rn, shift_imm:$sh),
def t2SSAT: T2SatI<
(outs rGPR:$Rd), (ins i32imm:$sat_imm, rGPR:$Rn, shift_imm:$sh),
NoItinerary, "ssat", "\t$Rd, $sat_imm, $Rn$sh",
[/* For disassembly only; pattern left blank */]> {
let Inst{31-27} = 0b11110;
@ -2014,7 +2015,8 @@ def t2SSAT: T2I<(outs rGPR:$Rd), (ins i32imm:$sat_imm, rGPR:$Rn, shift_imm:$sh),
let Inst{15} = 0;
}
def t2SSAT16: T2I<(outs rGPR:$Rd), (ins i32imm:$sat_imm, rGPR:$Rn), NoItinerary,
def t2SSAT16: T2SatI<
(outs rGPR:$Rd), (ins i32imm:$sat_imm, rGPR:$Rn), NoItinerary,
"ssat16", "\t$Rd, $sat_imm, $Rn",
[/* For disassembly only; pattern left blank */]> {
let Inst{31-27} = 0b11110;
@ -2026,8 +2028,9 @@ def t2SSAT16: T2I<(outs rGPR:$Rd), (ins i32imm:$sat_imm, rGPR:$Rn), NoItinerary,
let Inst{7-6} = 0b00; // imm2 = '00'
}
def t2USAT: T2I<(outs rGPR:$dst), (ins i32imm:$bit_pos, rGPR:$a, shift_imm:$sh),
NoItinerary, "usat", "\t$dst, $bit_pos, $a$sh",
def t2USAT: T2SatI<
(outs rGPR:$Rd), (ins i32imm:$sat_imm, rGPR:$Rn, shift_imm:$sh),
NoItinerary, "usat", "\t$Rd, $sat_imm, $Rn$sh",
[/* For disassembly only; pattern left blank */]> {
let Inst{31-27} = 0b11110;
let Inst{25-22} = 0b1110;
@ -2035,8 +2038,9 @@ def t2USAT: T2I<(outs rGPR:$dst), (ins i32imm:$bit_pos, rGPR:$a, shift_imm:$sh),
let Inst{15} = 0;
}
def t2USAT16: T2I<(outs rGPR:$dst), (ins i32imm:$bit_pos, rGPR:$a), NoItinerary,
"usat16", "\t$dst, $bit_pos, $a",
def t2USAT16: T2SatI<
(outs rGPR:$dst), (ins i32imm:$sat_imm, rGPR:$Rn), NoItinerary,
"usat16", "\t$dst, $sat_imm, $Rn",
[/* For disassembly only; pattern left blank */]> {
let Inst{31-27} = 0b11110;
let Inst{25-22} = 0b1110;
@ -3077,6 +3081,13 @@ def t2Bcc : T2I<(outs), (ins brtarget:$target), IIC_Br,
let Inst{31-27} = 0b11110;
let Inst{15-14} = 0b10;
let Inst{12} = 0;
bits<20> target;
let Inst{26} = target{19};
let Inst{11} = target{18};
let Inst{13} = target{17};
let Inst{21-16} = target{16-11};
let Inst{10-0} = target{10-0};
}
@ -3170,6 +3181,9 @@ def t2DBG : T2I<(outs),(ins i32imm:$opt), NoItinerary, "dbg", "\t$opt",
let Inst{12} = 0;
let Inst{10-8} = 0b000;
let Inst{7-4} = 0b1111;
bits<4> opt;
let Inst{3-0} = opt{3-0};
}
// Secure Monitor Call is a system instruction -- for disassembly only