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DynASM/x86: Fix VREG support.

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This commit is contained in:
Mike Pall 2020-09-12 17:32:30 +02:00
parent 90e65514dd
commit 412d5a4039
1 changed files with 7 additions and 4 deletions
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11
dynasm/dasm_x86.h
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@ -299,11 +299,13 @@ int dasm_link(Dst_DECL, size_t *szp)
while (pos != lastpos) {
dasm_ActList p = D->actionlist + b[pos++];
int op = 0;
while (1) {
int op, action = *p++;
int action = *p++;
switch (action) {
case DASM_REL_LG: p++; op = p[-3]; goto rel_pc;
case DASM_REL_PC: op = p[-2]; rel_pc: {
case DASM_REL_LG: p++;
/* fallthrough */
case DASM_REL_PC: {
int shrink = op == 0xe9 ? 3 : ((op&0xf0) == 0x80 ? 4 : 0);
if (shrink) { /* Shrinkable branch opcode? */
int lofs, lpos = b[pos];
@ -335,9 +337,10 @@ int dasm_link(Dst_DECL, size_t *szp)
case DASM_LABEL_PC: b[pos++] += ofs; break; /* Fix label offset. */
case DASM_ALIGN: ofs -= (b[pos++]+ofs)&*p++; break; /* Adjust ofs. */
case DASM_EXTERN: p += 2; break;
case DASM_ESC: p++; break;
case DASM_ESC: op = *p++; break;
case DASM_MARK: break;
case DASM_SECTION: case DASM_STOP: goto stop;
default: op = action; break;
}
}
stop: (void)0;