@@ -306,7 +306,6 @@ DEF_HELPER_4(vctsxs, void, env, avr, avr, i32)
DEF_HELPER_2(vclzb, void, avr, avr)
DEF_HELPER_2(vclzh, void, avr, avr)
-DEF_HELPER_2(vclzw, void, avr, avr)
DEF_HELPER_2(vctzb, void, avr, avr)
DEF_HELPER_2(vctzh, void, avr, avr)
DEF_HELPER_2(vctzw, void, avr, avr)
@@ -1823,15 +1823,12 @@ VUPK(lsw, s64, s32, UPKLO)
#define clzb(v) ((v) ? clz32((uint32_t)(v) << 24) : 8)
#define clzh(v) ((v) ? clz32((uint32_t)(v) << 16) : 16)
-#define clzw(v) clz32((v))
VGENERIC_DO(clzb, u8)
VGENERIC_DO(clzh, u16)
-VGENERIC_DO(clzw, u32)
#undef clzb
#undef clzh
-#undef clzw
#define ctzb(v) ((v) ? ctz32(v) : 8)
#define ctzh(v) ((v) ? ctz32(v) : 16)
@@ -741,6 +741,32 @@ static void trans_vgbbd(DisasContext *ctx)
}
/*
+ * vclzw VRT,VRB - Vector Count Leading Zeros Word
+ *
+ * Counting the number of leading zero bits of each word element in source
+ * register and placing result in appropriate word element of destination
+ * register.
+ */
+static void trans_vclzw(DisasContext *ctx)
+{
+ int VT = rD(ctx->opcode);
+ int VB = rB(ctx->opcode);
+ TCGv_i32 tmp = tcg_temp_new_i32();
+ int i;
+
+ /* Perform count for every word element using tcg_gen_clzi_i32. */
+ for (i = 0; i < 4; i++) {
+ tcg_gen_ld_i32(tmp, cpu_env,
+ offsetof(CPUPPCState, vsr[32 + VB].u64[0]) + i * 4);
+ tcg_gen_clzi_i32(tmp, tmp, 32);
+ tcg_gen_st_i32(tmp, cpu_env,
+ offsetof(CPUPPCState, vsr[32 + VT].u64[0]) + i * 4);
+ }
+
+ tcg_temp_free_i32(tmp);
+}
+
+/*
* vclzd VRT,VRB - Vector Count Leading Zeros Doubleword
*
* Counting the number of leading zero bits of each doubleword element in source
@@ -1281,7 +1307,7 @@ GEN_VAFORM_PAIRED(vmaddfp, vnmsubfp, 23)
GEN_VXFORM_NOA(vclzb, 1, 28)
GEN_VXFORM_NOA(vclzh, 1, 29)
-GEN_VXFORM_NOA(vclzw, 1, 30)
+GEN_VXFORM_TRANS(vclzw, 1, 30)
GEN_VXFORM_TRANS(vclzd, 1, 31)
GEN_VXFORM_NOA_2(vnegw, 1, 24, 6)
GEN_VXFORM_NOA_2(vnegd, 1, 24, 7)