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Bugfix-- registers now appropriately truncated.

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git-svn-id: http://www.cdkersey.com/harp/harptool@117 0246edb2-e076-4747-b392-db732a341fa2
This commit is contained in:
chad
2013-01-18 04:32:23 +00:00
parent afe15f4ff1
commit ea03ccb47d
8 changed files with 45 additions and 22 deletions
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11
src/instruction.cpp
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@@ -145,15 +145,19 @@ void Instruction::executeOn(Core &c) {
case TLBFLUSH: c.mem.tlbFlush();
break;
case ADD: reg[rdest] = reg[rsrc[0]] + reg[rsrc[1]];
reg[rdest].trunc(wordSz);
break;
case SUB: reg[rdest] = reg[rsrc[0]] - reg[rsrc[1]];
reg[rdest].trunc(wordSz);
break;
case MUL: reg[rdest] = reg[rsrc[0]] + reg[rsrc[1]];
reg[rdest].trunc(wordSz);
break;
case DIV: if (reg[rsrc[1]] == 0) throw DomainException();
reg[rdest] = reg[rsrc[0]] / reg[rsrc[1]];
break;
case SHL: reg[rdest] = reg[rsrc[0]] << reg[rsrc[1]];
reg[rdest].trunc(wordSz);
break;
case MOD: if (reg[rsrc[1]] == 0) throw DomainException();
reg[rdest] = reg[rsrc[0]] % reg[rsrc[1]];
@@ -161,12 +165,16 @@ void Instruction::executeOn(Core &c) {
case AND: reg[rdest] = reg[rsrc[0]] & reg[rsrc[1]];
break;
case NEG: reg[rdest] = -(Word_s)reg[rsrc[0]];
reg[rdest].trunc(wordSz);
break;
case ADDI: reg[rdest] = reg[rsrc[0]] + immsrc;
reg[rdest].trunc(wordSz);
break;
case SUBI: reg[rdest] = reg[rsrc[0]] - immsrc;
reg[rdest].trunc(wordSz);
break;
case MULI: reg[rdest] = reg[rsrc[0]] * immsrc;
reg[rdest].trunc(wordSz);
break;
case DIVI: if (immsrc == 0) throw DomainException();
reg[rdest] = reg[rsrc[0]] / immsrc;
@@ -177,6 +185,7 @@ void Instruction::executeOn(Core &c) {
case SHRI: reg[rdest] = reg[rsrc[0]] >> immsrc;
break;
case SHLI: reg[rdest] = reg[rsrc[0]] << immsrc;
reg[rdest].trunc(wordSz);
break;
case ANDI: reg[rdest] = reg[rsrc[0]] & immsrc;
break;
@@ -211,6 +220,7 @@ void Instruction::executeOn(Core &c) {
#endif
break;
case LDI: reg[rdest] = immsrc;
reg[rdest].trunc(wordSz);
break;
case RTOP: pReg[pdest] = reg[rsrc[0]];
break;
@@ -242,6 +252,7 @@ void Instruction::executeOn(Core &c) {
case ITOF: reg[rdest] = Float(double(reg[rsrc[0]]), wordSz);
break;
case FTOI: reg[rdest] = Word_s(double(Float(reg[rsrc[0]], wordSz)));
reg[rdest].trunc(wordSz);
break;
case FNEG: reg[rdest] = Float(-double(Float(reg[rsrc[0]],wordSz)),wordSz);
break;