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ARM: Decode the unsigned 8 and 16 bit add and subtract instructions.

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This commit is contained in:
Gabe Black
2010-06-02 12:58:06 -05:00
parent 3f12eb02ab
commit a895514d35
1 changed files with 18 additions and 12 deletions
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30
src/arch/arm/isa/formats/data.isa
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@@ -285,17 +285,17 @@ def format ArmParallelAddSubtract() {{
case 0x1:
switch (op2) {
case 0x0:
return new WarnUnimplemented("uadd16", machInst);
return new Uadd16RegCc(machInst, rd, rn, rm, 0, LSL);
case 0x1:
return new WarnUnimplemented("uasx", machInst);
return new UasxRegCc(machInst, rd, rn, rm, 0, LSL);
case 0x2:
return new WarnUnimplemented("usax", machInst);
return new UsaxRegCc(machInst, rd, rn, rm, 0, LSL);
case 0x3:
return new WarnUnimplemented("usub16", machInst);
return new Usub16RegCc(machInst, rd, rn, rm, 0, LSL);
case 0x4:
return new WarnUnimplemented("uadd8", machInst);
return new Uadd8RegCc(machInst, rd, rn, rm, 0, LSL);
case 0x7:
return new WarnUnimplemented("usub8", machInst);
return new Usub8RegCc(machInst, rd, rn, rm, 0, LSL);
}
break;
case 0x2:
@@ -607,17 +607,23 @@ def format Thumb32DataProcReg() {{
case 0x0:
switch (op1) {
case 0x1:
return new WarnUnimplemented("uadd16", machInst);
return new Uadd16RegCc(machInst, rd,
rn, rm, 0, LSL);
case 0x2:
return new WarnUnimplemented("uasx", machInst);
return new UasxRegCc(machInst, rd,
rn, rm, 0, LSL);
case 0x6:
return new WarnUnimplemented("usax", machInst);
return new UsaxRegCc(machInst, rd,
rn, rm, 0, LSL);
case 0x5:
return new WarnUnimplemented("usub16", machInst);
return new Usub16RegCc(machInst, rd,
rn, rm, 0, LSL);
case 0x0:
return new WarnUnimplemented("uadd8", machInst);
return new Uadd8RegCc(machInst, rd,
rn, rm, 0, LSL);
case 0x4:
return new WarnUnimplemented("usub8", machInst);
return new Usub8RegCc(machInst, rd,
rn, rm, 0, LSL);
}
break;
case 0x1: