diff options
-rw-r--r-- | lib/Target/ARM/ARMInstrFormats.td | 6 | ||||
-rw-r--r-- | lib/Target/ARM/ARMInstrInfo.td | 24 |
2 files changed, 24 insertions, 6 deletions
diff --git a/lib/Target/ARM/ARMInstrFormats.td b/lib/Target/ARM/ARMInstrFormats.td index db604580cc..ea9cdc9ca6 100644 --- a/lib/Target/ARM/ARMInstrFormats.td +++ b/lib/Target/ARM/ARMInstrFormats.td @@ -734,7 +734,7 @@ class AI3ldhpo<dag oops, dag iops, Format f, InstrItinClass itin, let Inst{6} = 0; // S bit let Inst{7} = 1; let Inst{20} = 1; // L bit - let Inst{21} = 1; // W bit + let Inst{21} = 0; // W bit let Inst{24} = 0; // P bit let Inst{27-25} = 0b000; } @@ -747,7 +747,7 @@ class AI3ldshpo<dag oops, dag iops, Format f, InstrItinClass itin, let Inst{6} = 1; // S bit let Inst{7} = 1; let Inst{20} = 1; // L bit - let Inst{21} = 1; // W bit + let Inst{21} = 0; // W bit let Inst{24} = 0; // P bit let Inst{27-25} = 0b000; } @@ -760,7 +760,7 @@ class AI3ldsbpo<dag oops, dag iops, Format f, InstrItinClass itin, let Inst{6} = 1; // S bit let Inst{7} = 1; let Inst{20} = 1; // L bit - let Inst{21} = 1; // W bit + let Inst{21} = 0; // W bit let Inst{24} = 0; // P bit let Inst{27-25} = 0b000; } diff --git a/lib/Target/ARM/ARMInstrInfo.td b/lib/Target/ARM/ARMInstrInfo.td index 77831534f6..5dc215b565 100644 --- a/lib/Target/ARM/ARMInstrInfo.td +++ b/lib/Target/ARM/ARMInstrInfo.td @@ -1069,7 +1069,7 @@ def LDRSB_POST: AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb), "ldrsb", "\t$dst, [$base], $offset", "$base = $base_wb", []>; } -// LDRT and LDRBT are for disassembly only. +// LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only. def LDRT : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb), (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoadru, @@ -1078,8 +1078,26 @@ def LDRT : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb), } def LDRBT : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb), - (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoadru, - "ldrb", "\t$dst, [$base], $offset", "$base = $base_wb", []> { + (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoadru, + "ldrbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> { + let Inst{21} = 1; // overwrite +} + +def LDRSBT : AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb), + (ins GPR:$base,am2offset:$offset), LdMiscFrm, IIC_iLoadru, + "ldrsbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> { + let Inst{21} = 1; // overwrite +} + +def LDRHT : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb), + (ins GPR:$base, am3offset:$offset), LdMiscFrm, IIC_iLoadru, + "ldrht", "\t$dst, [$base], $offset", "$base = $base_wb", []> { + let Inst{21} = 1; // overwrite +} + +def LDRSHT : AI3ldshpo<(outs GPR:$dst, GPR:$base_wb), + (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru, + "ldrsht", "\t$dst, [$base], $offset", "$base = $base_wb", []> { let Inst{21} = 1; // overwrite } |