diff options
Diffstat (limited to 'lib/Target/ARM/ARMInstrInfo.td')
| -rw-r--r-- | lib/Target/ARM/ARMInstrInfo.td | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/lib/Target/ARM/ARMInstrInfo.td b/lib/Target/ARM/ARMInstrInfo.td index 92496a5..1e061c2 100644 --- a/lib/Target/ARM/ARMInstrInfo.td +++ b/lib/Target/ARM/ARMInstrInfo.td @@ -1400,8 +1400,10 @@ def RFE : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, GPR:$base), // Load -defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_i, IIC_iLoad_r, - UnOpFrag<(load node:$Src)>>; +defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_i, IIC_iLoad_r, + UnOpFrag<(load node:$Src)>>; +defm LDRB : AI_ldr1<1, "ldrb", IIC_iLoad_bh_i, IIC_iLoad_bh_r, + UnOpFrag<(zextloadi8 node:$Src)>>; // Special LDR for loads from non-pc-relative constpools. let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1, @@ -1421,10 +1423,6 @@ def LDRH : AI3ldh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_bh_r, "ldrh", "\t$dst, $addr", [(set GPR:$dst, (zextloadi16 addrmode3:$addr))]>; -def LDRB : AI2ldb<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, - IIC_iLoad_bh_r, "ldrb", "\t$dst, $addr", - [(set GPR:$dst, (zextloadi8 addrmode2:$addr))]>; - // Loads with sign extension def LDRSH : AI3ldsh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_bh_r, "ldrsh", "\t$dst, $addr", @@ -3165,11 +3163,16 @@ def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>, Requires<[IsARM, IsDarwin]>; // zextload i1 -> zextload i8 -def : ARMPat<(zextloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>; +//def : ARMPat<(zextloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>; +def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>; +def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>; // extload -> zextload -def : ARMPat<(extloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>; -def : ARMPat<(extloadi8 addrmode2:$addr), (LDRB addrmode2:$addr)>; +def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>; +def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>; +def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>; +def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>; + def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>; def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>; |