target-ppc: VSX Stage 4: Add stxsiwx and stxsspx

This patch adds two store scalar instructions:

  - Store VSX Scalar as Integer Word Indexed (stxsiwx)
  - Store VSX Scalar Single-Precision Indexed (stxsspx)
Signed-off-by: NTom Musta <tommusta@gmail.com>
Reviewed-by: NRichard Henderson <rth@twiddle.net>
Signed-off-by: NAlexander Graf <agraf@suse.de>

target-ppc/translate.c

@@ -7128,6 +7128,8 @@ static void gen_##name(DisasContext *ctx)                     \
 }
 
 VSX_STORE_SCALAR(stxsdx, st64)
+VSX_STORE_SCALAR(stxsiwx, st32_i64)
+VSX_STORE_SCALAR(stxsspx, st32fs)
 
 static void gen_stxvd2x(DisasContext *ctx)
 {
@@ -10066,6 +10068,8 @@ GEN_HANDLER_E(lxvdsx, 0x1F, 0x0C, 0x0A, 0, PPC_NONE, PPC2_VSX),
 GEN_HANDLER_E(lxvw4x, 0x1F, 0x0C, 0x18, 0, PPC_NONE, PPC2_VSX),
 
 GEN_HANDLER_E(stxsdx, 0x1F, 0xC, 0x16, 0, PPC_NONE, PPC2_VSX),
+GEN_HANDLER_E(stxsiwx, 0x1F, 0xC, 0x04, 0, PPC_NONE, PPC2_VSX207),
+GEN_HANDLER_E(stxsspx, 0x1F, 0xC, 0x14, 0, PPC_NONE, PPC2_VSX207),
 GEN_HANDLER_E(stxvd2x, 0x1F, 0xC, 0x1E, 0, PPC_NONE, PPC2_VSX),
 GEN_HANDLER_E(stxvw4x, 0x1F, 0xC, 0x1C, 0, PPC_NONE, PPC2_VSX),