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-rw-r--r--tccgen.c26
1 files changed, 16 insertions, 10 deletions
diff --git a/tccgen.c b/tccgen.c
index f7f4d17..147f01e 100644
--- a/tccgen.c
+++ b/tccgen.c
@@ -1209,19 +1209,25 @@ static int reg_fret(int t)
return REG_FRET;
}
-/* expand long long on stack in two int registers */
+/* expand long long on stack in two ints */
static void lexpand(void)
{
- int u;
-
+ int u, v;
u = vtop->type.t & (VT_DEFSIGN | VT_UNSIGNED);
- gv(RC_INT);
- vdup();
- vtop[0].r = vtop[-1].r2;
- vtop[0].r2 = VT_CONST;
- vtop[-1].r2 = VT_CONST;
- vtop[0].type.t = VT_INT | u;
- vtop[-1].type.t = VT_INT | u;
+ v = vtop->r & (VT_VALMASK | VT_LVAL);
+ if (v == VT_CONST) {
+ vdup();
+ vtop[0].c.i >>= 32;
+ } else if (v == (VT_LVAL|VT_CONST) || v == (VT_LVAL|VT_LOCAL)) {
+ vdup();
+ vtop[0].c.i += 4;
+ } else {
+ gv(RC_INT);
+ vdup();
+ vtop[0].r = vtop[-1].r2;
+ vtop[0].r2 = vtop[-1].r2 = VT_CONST;
+ }
+ vtop[0].type.t = vtop[-1].type.t = VT_INT | u;
}
#ifdef TCC_TARGET_ARM