maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

Use 'adr' for LEApcrel and LEApcrel. Mark LEApcrel re-materializable. 

llvm-svn: 104114
This commit is contained in:
Evan Cheng 2010-05-19 07:26:50 +00:00
parent 4518c866b4
commit b7704fee4c
1 changed files with 4 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
llvm/lib/Target/ARM/ARMInstrInfo.td
View File

@ -849,23 +849,15 @@ def PICSTRB : AXI2stb<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
// LEApcrel - Load a pc-relative address into a register without offending the
// assembler.
let neverHasSideEffects = 1 in {
let isReMaterializable = 1 in
def LEApcrel : AXI1<0x0, (outs GPR:$dst), (ins i32imm:$label, pred:$p),
Pseudo, IIC_iALUi,
!strconcat(!strconcat(".set ${:private}PCRELV${:uid}, ($label-(",
"${:private}PCRELL${:uid}+8))\n"),
!strconcat("${:private}PCRELL${:uid}:\n\t",
"add$p\t$dst, pc, #${:private}PCRELV${:uid}")),
[]>;
"adr$p\t$dst, #$label", []>;
def LEApcrelJT : AXI1<0x0, (outs GPR:$dst),
(ins i32imm:$label, nohash_imm:$id, pred:$p),
Pseudo, IIC_iALUi,
!strconcat(!strconcat(".set ${:private}PCRELV${:uid}, "
"(${label}_${id}-(",
"${:private}PCRELL${:uid}+8))\n"),
!strconcat("${:private}PCRELL${:uid}:\n\t",
"add$p\t$dst, pc, #${:private}PCRELV${:uid}")),
[]> {
Pseudo, IIC_iALUi,
"adr$p\t$dst, #${label}_${id}", []> {
let Inst{25} = 1;
}
} // neverHasSideEffects