---

yaml
---
r: 75440
b: refs/heads/master
c: 90e6b04
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 198a6d5a6189501e2b8abf4e3149ccb337866f65
+refs/heads/master: 90e6b048365950416419c031f2f2d9a8afb5b70c

trunk/arch/arm/vfp/vfp.h

@@ -361,10 +361,12 @@ u32 vfp_estimate_sqrt_significand(u32 exponent, u32 significand);
  *  OP_SCALAR - this operation always operates in scalar mode
  *  OP_SD - the instruction exceptionally writes to a single precision result.
  *  OP_DD - the instruction exceptionally writes to a double precision result.
+ *  OP_SM - the instruction exceptionally reads from a single precision operand.
  */
 #define OP_SCALAR	(1 << 0)
 #define OP_SD		(1 << 1)
 #define OP_DD		(1 << 1)
+#define OP_SM		(1 << 2)
 
 struct op {
 	u32 (* const fn)(int dd, int dn, int dm, u32 fpscr);

trunk/arch/arm/vfp/vfpdouble.c

@@ -668,8 +668,8 @@ static struct op fops_ext[32] = {
 	[FEXT_TO_IDX(FEXT_FCMPZ)]	= { vfp_double_fcmpz,  OP_SCALAR },
 	[FEXT_TO_IDX(FEXT_FCMPEZ)]	= { vfp_double_fcmpez, OP_SCALAR },
 	[FEXT_TO_IDX(FEXT_FCVT)]	= { vfp_double_fcvts,  OP_SCALAR|OP_SD },
-	[FEXT_TO_IDX(FEXT_FUITO)]	= { vfp_double_fuito,  OP_SCALAR },
-	[FEXT_TO_IDX(FEXT_FSITO)]	= { vfp_double_fsito,  OP_SCALAR },
+	[FEXT_TO_IDX(FEXT_FUITO)]	= { vfp_double_fuito,  OP_SCALAR|OP_SM },
+	[FEXT_TO_IDX(FEXT_FSITO)]	= { vfp_double_fsito,  OP_SCALAR|OP_SM },
 	[FEXT_TO_IDX(FEXT_FTOUI)]	= { vfp_double_ftoui,  OP_SCALAR|OP_SD },
 	[FEXT_TO_IDX(FEXT_FTOUIZ)]	= { vfp_double_ftouiz, OP_SCALAR|OP_SD },
 	[FEXT_TO_IDX(FEXT_FTOSI)]	= { vfp_double_ftosi,  OP_SCALAR|OP_SD },
@@ -1128,7 +1128,7 @@ u32 vfp_double_cpdo(u32 inst, u32 fpscr)
 	u32 exceptions = 0;
 	unsigned int dest;
 	unsigned int dn = vfp_get_dn(inst);
-	unsigned int dm = vfp_get_dm(inst);
+	unsigned int dm;
 	unsigned int vecitr, veclen, vecstride;
 	struct op *fop;
 
@@ -1145,6 +1145,14 @@ u32 vfp_double_cpdo(u32 inst, u32 fpscr)
 	else
 		dest = vfp_get_dd(inst);
 
+	/*
+	 * f[us]ito takes a sN operand, not a dN operand.
+	 */
+	if (fop->flags & OP_SM)
+		dm = vfp_get_sm(inst);
+	else
+		dm = vfp_get_dm(inst);
+
 	/*
 	 * If destination bank is zero, vector length is always '1'.
 	 * ARM DDI0100F C5.1.3, C5.3.2.