target-ppc: Altivec 2.07: Unpack Signed Word Instructions

This patch adds the Unpack Signed Word instructions introduced in
Power ISA Version 2.07:

  - Vector Unpack High Signed Word (vupkusw)
  - Vector Unpack Low Signed Word (vupklsw)

Signed-off-by: Tom Musta <tommusta@gmail.com>
Signed-off-by: Alexander Graf <agraf@suse.de>

target-ppc/helper.h

@@ -224,8 +224,10 @@ DEF_HELPER_2(vupkhpx, void, avr, avr)
 DEF_HELPER_2(vupklpx, void, avr, avr)
 DEF_HELPER_2(vupkhsb, void, avr, avr)
 DEF_HELPER_2(vupkhsh, void, avr, avr)
+DEF_HELPER_2(vupkhsw, void, avr, avr)
 DEF_HELPER_2(vupklsb, void, avr, avr)
 DEF_HELPER_2(vupklsh, void, avr, avr)
+DEF_HELPER_2(vupklsw, void, avr, avr)
 DEF_HELPER_5(vmsumubm, void, env, avr, avr, avr, avr)
 DEF_HELPER_5(vmsummbm, void, env, avr, avr, avr, avr)
 DEF_HELPER_5(vsel, void, env, avr, avr, avr, avr)

target-ppc/int_helper.c

@@ -1524,8 +1524,10 @@ VUPKPX(hpx, UPKHI)
     }
 VUPK(hsb, s16, s8, UPKHI)
 VUPK(hsh, s32, s16, UPKHI)
+VUPK(hsw, s64, s32, UPKHI)
 VUPK(lsb, s16, s8, UPKLO)
 VUPK(lsh, s32, s16, UPKLO)
+VUPK(lsw, s64, s32, UPKLO)
 #undef VUPK
 #undef UPKHI
 #undef UPKLO

target-ppc/translate.c

@@ -7149,8 +7149,10 @@ static void glue(gen_, name)(DisasContext *ctx)                         \
 
 GEN_VXFORM_NOA(vupkhsb, 7, 8);
 GEN_VXFORM_NOA(vupkhsh, 7, 9);
+GEN_VXFORM_NOA(vupkhsw, 7, 25);
 GEN_VXFORM_NOA(vupklsb, 7, 10);
 GEN_VXFORM_NOA(vupklsh, 7, 11);
+GEN_VXFORM_NOA(vupklsw, 7, 27);
 GEN_VXFORM_NOA(vupkhpx, 7, 13);
 GEN_VXFORM_NOA(vupklpx, 7, 15);
 GEN_VXFORM_NOA_ENV(vrefp, 5, 4);
@@ -10503,8 +10505,10 @@ GEN_VXFORM_SIMM(vspltisw, 6, 14),
     GEN_HANDLER(name, 0x04, opc2, opc3, 0x001f0000, PPC_ALTIVEC)
 GEN_VXFORM_NOA(vupkhsb, 7, 8),
 GEN_VXFORM_NOA(vupkhsh, 7, 9),
+GEN_VXFORM_207(vupkhsw, 7, 25),
 GEN_VXFORM_NOA(vupklsb, 7, 10),
 GEN_VXFORM_NOA(vupklsh, 7, 11),
+GEN_VXFORM_207(vupklsw, 7, 27),
 GEN_VXFORM_NOA(vupkhpx, 7, 13),
 GEN_VXFORM_NOA(vupklpx, 7, 15),
 GEN_VXFORM_NOA(vrefp, 5, 4),