1 files changed, 10 insertions, 47 deletions

diff --git a/src/core/arm/skyeye_common/vfp/vfpsingle.cpp b/src/core/arm/skyeye_common/vfp/vfpsingle.cpp
index b7872bdc..8b2dfa38 100644
--- a/src/core/arm/skyeye_common/vfp/vfpsingle.cpp
+++ b/src/core/arm/skyeye_common/vfp/vfpsingle.cpp
@@ -419,7 +419,7 @@ static u32 vfp_compare(ARMul_State* state, int sd, int signal_on_qnan, s32 m, u3
 
     d = vfp_get_float(state, sd);
     if (vfp_single_packed_exponent(m) == 255 && vfp_single_packed_mantissa(m)) {
-        ret |= FPSCR_C | FPSCR_V;
+        ret |= FPSCR_CFLAG | FPSCR_VFLAG;
         if (signal_on_qnan || !(vfp_single_packed_mantissa(m) & (1 << (VFP_SINGLE_MANTISSA_BITS - 1))))
             /*
              * Signalling NaN, or signalling on quiet NaN
@@ -428,7 +428,7 @@ static u32 vfp_compare(ARMul_State* state, int sd, int signal_on_qnan, s32 m, u3
     }
 
     if (vfp_single_packed_exponent(d) == 255 && vfp_single_packed_mantissa(d)) {
-        ret |= FPSCR_C | FPSCR_V;
+        ret |= FPSCR_CFLAG | FPSCR_VFLAG;
         if (signal_on_qnan || !(vfp_single_packed_mantissa(d) & (1 << (VFP_SINGLE_MANTISSA_BITS - 1))))
             /*
              * Signalling NaN, or signalling on quiet NaN
@@ -441,7 +441,7 @@ static u32 vfp_compare(ARMul_State* state, int sd, int signal_on_qnan, s32 m, u3
             /*
              * equal
              */
-            ret |= FPSCR_Z | FPSCR_C;
+            ret |= FPSCR_ZFLAG | FPSCR_CFLAG;
         } else if (vfp_single_packed_sign(d ^ m)) {
             /*
              * different signs
@@ -450,22 +450,22 @@ static u32 vfp_compare(ARMul_State* state, int sd, int signal_on_qnan, s32 m, u3
                 /*
                  * d is negative, so d < m
                  */
-                ret |= FPSCR_N;
+                ret |= FPSCR_NFLAG;
             else
                 /*
                  * d is positive, so d > m
                  */
-                ret |= FPSCR_C;
+                ret |= FPSCR_CFLAG;
         } else if ((vfp_single_packed_sign(d) != 0) ^ (d < m)) {
             /*
              * d < m
              */
-            ret |= FPSCR_N;
+            ret |= FPSCR_NFLAG;
         } else if ((vfp_single_packed_sign(d) != 0) ^ (d > m)) {
             /*
              * d > m
              */
-            ret |= FPSCR_C;
+            ret |= FPSCR_CFLAG;
         }
     }
     return ret;
@@ -491,46 +491,6 @@ static u32 vfp_single_fcmpez(ARMul_State* state, int sd, int unused, s32 m, u32
     return vfp_compare(state, sd, 1, 0, fpscr);
 }
 
-static s64 vfp_single_to_doubleintern(ARMul_State* state, s32 m, u32 fpscr) //ichfly for internal use only
-{
-    struct vfp_single vsm;
-    struct vfp_double vdd;
-    int tm;
-    u32 exceptions = 0;
-
-    vfp_single_unpack(&vsm, m);
-
-    tm = vfp_single_type(&vsm);
-
-    /*
-    * If we have a signalling NaN, signal invalid operation.
-    */
-    if (tm == VFP_SNAN)
-        exceptions = FPSCR_IOC;
-
-    if (tm & VFP_DENORMAL)
-        vfp_single_normalise_denormal(&vsm);
-
-    vdd.sign = vsm.sign;
-    vdd.significand = (u64)vsm.significand << 32;
-
-    /*
-    * If we have an infinity or NaN, the exponent must be 2047.
-    */
-    if (tm & (VFP_INFINITY | VFP_NAN)) {
-        vdd.exponent = 2047;
-        if (tm == VFP_QNAN)
-            vdd.significand |= VFP_DOUBLE_SIGNIFICAND_QNAN;
-        goto pack_nan;
-    } else if (tm & VFP_ZERO)
-        vdd.exponent = 0;
-    else
-        vdd.exponent = vsm.exponent + (1023 - 127);
-pack_nan:
-    vfp_double_normaliseroundintern(state, &vdd, fpscr, exceptions, "fcvtd");
-    return vfp_double_pack(&vdd);
-}
-
 static u32 vfp_single_fcvtd(ARMul_State* state, int dd, int unused, s32 m, u32 fpscr)
 {
     struct vfp_single vsm;
@@ -981,6 +941,9 @@ vfp_single_multiply_accumulate(ARMul_State* state, int sd, int sn, s32 m, u32 fp
     v = vfp_get_float(state, sd);
     pr_debug("VFP: s%u = %08x\n", sd, v);
     vfp_single_unpack(&vsn, v);
+    if (vsn.exponent == 0 && vsn.significand != 0)
+        vfp_single_normalise_denormal(&vsn);
+
     if (negate & NEG_SUBTRACT)
         vsn.sign = vfp_sign_negate(vsn.sign);