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prefix register macros

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This commit is contained in:
Quentin Carbonneaux 2015-08-11 15:16:13 -04:00
parent ec5042148e
commit f6df9e55c5
3 changed files with 15 additions and 15 deletions
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10
lisc/emit.c
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@ -35,7 +35,7 @@ static char *rtoa[] = {
[R15D] = "r15d",
};
enum { SSHORT, SBYTE };
enum { SShort, SByte };
static char *rsub[][2] = {
[RXX] = {"OH GOD!", "OH NO!"},
[RAX] = {"ax", "al"},
@ -128,7 +128,7 @@ emem(Ref r, Fn *fn, FILE *f)
econ(&fn->con[r.val], f);
break;
case RReg:
assert(BASE(r.val) == r.val);
assert(r.val < EAX);
fprintf(f, "(");
eref(r, fn, f);
fprintf(f, ")");
@ -198,7 +198,7 @@ eins(Ins i, Fn *fn, FILE *f)
case OStoreb:
fprintf(f, "\tmov%s ", stoa[i.op - OStore]);
if (rtype(i.arg[0]) == RReg) {
r = BASE(i.arg[0].val);
r = RBASE(i.arg[0].val);
fprintf(f, "%%%s", rsub[r][i.op - OStores]);
} else
eref(i.arg[0], fn, f);
@ -213,7 +213,7 @@ eins(Ins i, Fn *fn, FILE *f)
case OLoadsb:
case OLoadub:
fprintf(f, "\t%s", otoa[i.op]);
if (BASE(i.to.val) == i.to.val)
if (i.to.val < EAX)
fprintf(f, "q ");
else
fprintf(f, "l ");
@ -248,7 +248,7 @@ eins(Ins i, Fn *fn, FILE *f)
eop("mov $0,", i.to, R, fn, f);
fprintf(f, "\tset%s %%%s\n",
ctoa[i.op-OXSet],
rsub[BASE(i.to.val)][SBYTE]);
rsub[RBASE(i.to.val)][SByte]);
break;
}
diag("emit: unhandled instruction (3)");