diff options
Diffstat (limited to 'lib/Target/ARM/ARMInstrThumb2.td')
| -rw-r--r-- | lib/Target/ARM/ARMInstrThumb2.td | 28 |
1 files changed, 19 insertions, 9 deletions
diff --git a/lib/Target/ARM/ARMInstrThumb2.td b/lib/Target/ARM/ARMInstrThumb2.td index c7591d21cd109..55c7aa2bd8659 100644 --- a/lib/Target/ARM/ARMInstrThumb2.td +++ b/lib/Target/ARM/ARMInstrThumb2.td @@ -1232,7 +1232,16 @@ def t2UBFX : T2I<(outs GPR:$dst), (ins GPR:$src, imm0_31:$lsb, imm0_31:$width), let Inst{15} = 0; } -// FIXME: A8.6.18 BFI - Bitfield insert (Encoding T1) +// A8.6.18 BFI - Bitfield insert (Encoding T1) +// Added for disassembler with the pattern field purposely left blank. +// FIXME: Utilize this instruction in codgen. +def t2BFI : T2I<(outs GPR:$dst), (ins GPR:$src, imm0_31:$lsb, imm0_31:$width), + IIC_iALUi, "bfi", "\t$dst, $src, $lsb, $width", []> { + let Inst{31-27} = 0b11110; + let Inst{25} = 1; + let Inst{24-20} = 0b10110; + let Inst{15} = 0; +} defm t2ORN : T2I_bin_irs<0b0011, "orn", BinOpFrag<(or node:$LHS, (not node:$RHS))>>; @@ -1808,22 +1817,23 @@ let isCall = 1, // except for our own input by listing the relevant registers in Defs. By // doing so, we also cause the prologue/epilogue code to actively preserve // all of the callee-saved resgisters, which is exactly what we want. -let Defs = +// The current SP is passed in $val, and we reuse the reg as a scratch. +let Defs = [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0, D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30, D31 ] in { - def t2Int_eh_sjlj_setjmp : Thumb2XI<(outs), (ins GPR:$src), + def t2Int_eh_sjlj_setjmp : Thumb2XI<(outs), (ins GPR:$src, tGPR:$val), AddrModeNone, SizeSpecial, NoItinerary, - "str.w\tsp, [$src, #+8] @ eh_setjmp begin\n" - "\tadr\tr12, 0f\n" - "\torr.w\tr12, r12, #1\n" - "\tstr.w\tr12, [$src, #+4]\n" + "str\t$val, [$src, #8]\t@ begin eh.setjmp\n" + "\tmov\t$val, pc\n" + "\tadds\t$val, #9\n" + "\tstr\t$val, [$src, #4]\n" "\tmovs\tr0, #0\n" "\tb\t1f\n" - "0:\tmovs\tr0, #1 @ eh_setjmp end\n" + "\tmovs\tr0, #1\t@ end eh.setjmp\n" "1:", "", - [(set R0, (ARMeh_sjlj_setjmp GPR:$src))]>; + [(set R0, (ARMeh_sjlj_setjmp GPR:$src, tGPR:$val))]>; } |