[llvm-commits] [llvm] r55598 - in /llvm/trunk/lib/Target/ARM: ARMInstrFormats.td ARMInstrInfo.td

Evan Cheng evan.cheng at apple.com
Mon Sep 1 00:34:13 PDT 2008


Author: evancheng
Date: Mon Sep  1 02:34:13 2008
New Revision: 55598

URL: http://llvm.org/viewvc/llvm-project?rev=55598&view=rev
Log:
AXI2 and AXI3 instruction encodings.

Modified:
    llvm/trunk/lib/Target/ARM/ARMInstrFormats.td
    llvm/trunk/lib/Target/ARM/ARMInstrInfo.td

Modified: llvm/trunk/lib/Target/ARM/ARMInstrFormats.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMInstrFormats.td?rev=55598&r1=55597&r2=55598&view=diff

==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMInstrFormats.td (original)
+++ llvm/trunk/lib/Target/ARM/ARMInstrFormats.td Mon Sep  1 02:34:13 2008
@@ -191,6 +191,15 @@
   let Inst{22}    = 0; // B bit
   let Inst{24}    = 1; // P bit
 }
+class AXI2ldw<bits<4> opcod, dag oops, dag iops, Format f, string asm,
+           list<dag> pattern>
+  : XI<opcod, oops, iops, AddrMode2, Size4Bytes, IndexModeNone, f, asm,
+       "", pattern> {
+  let Inst{20}    = 1; // L bit
+  let Inst{21}    = 0; // W bit
+  let Inst{22}    = 0; // B bit
+  let Inst{24}    = 1; // P bit
+}
 class AI2ldb<bits<4> opcod, dag oops, dag iops, Format f, string opc,
           string asm, list<dag> pattern>
   : AI2<opcod, oops, iops, f, opc, asm, pattern> {
@@ -199,6 +208,15 @@
   let Inst{22}    = 1; // B bit
   let Inst{24}    = 1; // P bit
 }
+class AXI2ldb<bits<4> opcod, dag oops, dag iops, Format f, string asm,
+           list<dag> pattern>
+  : XI<opcod, oops, iops, AddrMode2, Size4Bytes, IndexModeNone, f, asm,
+       "", pattern> {
+  let Inst{20}    = 1; // L bit
+  let Inst{21}    = 0; // W bit
+  let Inst{22}    = 1; // B bit
+  let Inst{24}    = 1; // P bit
+}
 
 // stores
 class AI2stw<bits<4> opcod, dag oops, dag iops, Format f, string opc,
@@ -209,6 +227,15 @@
   let Inst{22}    = 0; // B bit
   let Inst{24}    = 1; // P bit
 }
+class AXI2stw<bits<4> opcod, dag oops, dag iops, Format f, string asm,
+           list<dag> pattern>
+  : XI<opcod, oops, iops, AddrMode2, Size4Bytes, IndexModeNone, f, asm,
+       "", pattern> {
+  let Inst{20}    = 0; // L bit
+  let Inst{21}    = 0; // W bit
+  let Inst{22}    = 0; // B bit
+  let Inst{24}    = 1; // P bit
+}
 class AI2stb<bits<4> opcod, dag oops, dag iops, Format f, string opc,
           string asm, list<dag> pattern>
   : AI2<opcod, oops, iops, f, opc, asm, pattern> {
@@ -217,6 +244,15 @@
   let Inst{22}    = 1; // B bit
   let Inst{24}    = 1; // P bit
 }
+class AXI2stb<bits<4> opcod, dag oops, dag iops, Format f, string asm,
+           list<dag> pattern>
+  : XI<opcod, oops, iops, AddrMode2, Size4Bytes, IndexModeNone, f, asm,
+       "", pattern> {
+  let Inst{20}    = 0; // L bit
+  let Inst{21}    = 0; // W bit
+  let Inst{22}    = 1; // B bit
+  let Inst{24}    = 1; // P bit
+}
 
 // Pre-indexed loads
 class AI2ldwpr<bits<4> opcod, dag oops, dag iops, Format f, string opc,
@@ -321,6 +357,18 @@
   let Inst{21}    = 0; // W bit
   let Inst{24}    = 1; // P bit
 }
+class AXI3ldh<bits<4> opcod, dag oops, dag iops, Format f, string asm,
+           list<dag> pattern>
+  : XI<opcod, oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, asm,
+       "", pattern> {
+  let Inst{4}     = 1;
+  let Inst{5}     = 1; // H bit
+  let Inst{6}     = 0; // S bit
+  let Inst{7}     = 1;
+  let Inst{20}    = 1; // L bit
+  let Inst{21}    = 0; // W bit
+  let Inst{24}    = 1; // P bit
+}
 class AI3ldsh<bits<4> opcod, dag oops, dag iops, Format f, string opc,
           string asm, list<dag> pattern>
   : I<opcod, oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, opc,
@@ -333,6 +381,18 @@
   let Inst{21}    = 0; // W bit
   let Inst{24}    = 1; // P bit
 }
+class AXI3ldsh<bits<4> opcod, dag oops, dag iops, Format f, string asm,
+           list<dag> pattern>
+  : XI<opcod, oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, asm,
+       "", pattern> {
+  let Inst{4}     = 1;
+  let Inst{5}     = 1; // H bit
+  let Inst{6}     = 1; // S bit
+  let Inst{7}     = 1;
+  let Inst{20}    = 1; // L bit
+  let Inst{21}    = 0; // W bit
+  let Inst{24}    = 1; // P bit
+}
 class AI3ldsb<bits<4> opcod, dag oops, dag iops, Format f, string opc,
           string asm, list<dag> pattern>
   : I<opcod, oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, opc,
@@ -345,6 +405,18 @@
   let Inst{21}    = 0; // W bit
   let Inst{24}    = 1; // P bit
 }
+class AXI3ldsb<bits<4> opcod, dag oops, dag iops, Format f, string asm,
+           list<dag> pattern>
+  : XI<opcod, oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, asm,
+       "", pattern> {
+  let Inst{4}     = 1;
+  let Inst{5}     = 0; // H bit
+  let Inst{6}     = 1; // S bit
+  let Inst{7}     = 1;
+  let Inst{20}    = 1; // L bit
+  let Inst{21}    = 0; // W bit
+  let Inst{24}    = 1; // P bit
+}
 class AI3ldd<bits<4> opcod, dag oops, dag iops, Format f, string opc,
           string asm, list<dag> pattern>
   : I<opcod, oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, opc,
@@ -371,6 +443,18 @@
   let Inst{21}    = 0; // W bit
   let Inst{24}    = 1; // P bit
 }
+class AXI3sth<bits<4> opcod, dag oops, dag iops, Format f, string asm,
+           list<dag> pattern>
+  : XI<opcod, oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, asm,
+       "", pattern> {
+  let Inst{4}     = 1;
+  let Inst{5}     = 1; // H bit
+  let Inst{6}     = 0; // S bit
+  let Inst{7}     = 1;
+  let Inst{20}    = 0; // L bit
+  let Inst{21}    = 0; // W bit
+  let Inst{24}    = 1; // P bit
+}
 class AI3std<bits<4> opcod, dag oops, dag iops, Format f, string opc,
           string asm, list<dag> pattern>
   : I<opcod, oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, opc,

Modified: llvm/trunk/lib/Target/ARM/ARMInstrInfo.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMInstrInfo.td?rev=55598&r1=55597&r2=55598&view=diff

==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMInstrInfo.td (original)
+++ llvm/trunk/lib/Target/ARM/ARMInstrInfo.td Mon Sep  1 02:34:13 2008
@@ -469,44 +469,44 @@
 
 let AddedComplexity = 10 in {
 let isSimpleLoad = 1 in
-def PICLD   : AXI2<0x0, (outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
+def PICLD   : AXI2ldw<0x0, (outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
                   Pseudo, "${addr:label}:\n\tldr$p $dst, $addr",
                   [(set GPR:$dst, (load addrmodepc:$addr))]>;
 
-def PICLDZH : AXI3<0x0, (outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
+def PICLDZH : AXI3ldh<0x0, (outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
                   Pseudo, "${addr:label}:\n\tldr${p}h $dst, $addr",
                   [(set GPR:$dst, (zextloadi16 addrmodepc:$addr))]>;
 
-def PICLDZB : AXI2<0x0, (outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
+def PICLDZB : AXI2ldb<0x0, (outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
                   Pseudo, "${addr:label}:\n\tldr${p}b $dst, $addr",
                   [(set GPR:$dst, (zextloadi8 addrmodepc:$addr))]>;
 
-def PICLDH  : AXI3<0x0, (outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
+def PICLDH  : AXI3ldh<0x0, (outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
                   Pseudo, "${addr:label}:\n\tldr${p}h $dst, $addr",
                   [(set GPR:$dst, (extloadi16 addrmodepc:$addr))]>;
 
-def PICLDB  : AXI2<0x0, (outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
+def PICLDB  : AXI2ldb<0x0, (outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
                   Pseudo, "${addr:label}:\n\tldr${p}b $dst, $addr",
                   [(set GPR:$dst, (extloadi8 addrmodepc:$addr))]>;
 
-def PICLDSH : AXI3<0x0, (outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
+def PICLDSH : AXI3ldsh<0x0, (outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
                   Pseudo, "${addr:label}:\n\tldr${p}sh $dst, $addr",
                   [(set GPR:$dst, (sextloadi16 addrmodepc:$addr))]>;
 
-def PICLDSB : AXI3<0x0, (outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
+def PICLDSB : AXI3ldsb<0x0, (outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
                   Pseudo, "${addr:label}:\n\tldr${p}sb $dst, $addr",
                   [(set GPR:$dst, (sextloadi8 addrmodepc:$addr))]>;
 }
 let AddedComplexity = 10 in {
-def PICSTR  : AXI2<0x0, (outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
+def PICSTR  : AXI2stw<0x0, (outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
                Pseudo, "${addr:label}:\n\tstr$p $src, $addr",
                [(store GPR:$src, addrmodepc:$addr)]>;
 
-def PICSTRH : AXI3<0x0, (outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
+def PICSTRH : AXI3sth<0x0, (outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
                Pseudo, "${addr:label}:\n\tstr${p}h $src, $addr",
                [(truncstorei16 GPR:$src, addrmodepc:$addr)]>;
 
-def PICSTRB : AXI2<0x0, (outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
+def PICSTRB : AXI2stb<0x0, (outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
                Pseudo, "${addr:label}:\n\tstr${p}b $src, $addr",
                [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
 }





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