target-ppc: add stxvb16x instruction

stxvb16x: Store VSX Vector Byte*16

Vector (8-bit elements):
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
|F0|F1|F2|F3|F4|F5|F6|F7|E0|E1|E2|E3|E4|E5|E6|E7|
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+

Store results in following:

Little/Big-endian Storage
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
|F0|F1|F2|F3|F4|F5|F6|F7|E0|E1|E2|E3|E4|E5|E6|E7|
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+

Signed-off-by: Nikunj A Dadhania <[email protected]>
Reviewed-by: Richard Henderson <[email protected]>
Signed-off-by: David Gibson <[email protected]>

diff --git a/target-ppc/translate/vsx-impl.inc.c b/target-ppc/translate/vsx-impl.inc.c
index cddb90bb5c7d32f6f440543c1fef9b1d0a8b8a20..4120c0145c6315c324ef2e66ae7e2b9681662e30 100644 (file)
--- a/target-ppc/translate/vsx-impl.inc.c
+++ b/target-ppc/translate/vsx-impl.inc.c
@@ -276,6 +276,25 @@ static void gen_stxvh8x(DisasContext *ctx)
     tcg_temp_free(EA);
 }
 
+static void gen_stxvb16x(DisasContext *ctx)
+{
+    TCGv_i64 xsh = cpu_vsrh(xS(ctx->opcode));
+    TCGv_i64 xsl = cpu_vsrl(xS(ctx->opcode));
+    TCGv EA;
+
+    if (unlikely(!ctx->vsx_enabled)) {
+        gen_exception(ctx, POWERPC_EXCP_VSXU);
+        return;
+    }
+    gen_set_access_type(ctx, ACCESS_INT);
+    EA = tcg_temp_new();
+    gen_addr_reg_index(ctx, EA);
+    tcg_gen_qemu_st_i64(xsh, EA, ctx->mem_idx, MO_BEQ);
+    tcg_gen_addi_tl(EA, EA, 8);
+    tcg_gen_qemu_st_i64(xsl, EA, ctx->mem_idx, MO_BEQ);
+    tcg_temp_free(EA);
+}
+
 #define MV_VSRW(name, tcgop1, tcgop2, target, source)           \
 static void gen_##name(DisasContext *ctx)                       \
 {                                                               \

diff --git a/target-ppc/translate/vsx-ops.inc.c b/target-ppc/translate/vsx-ops.inc.c
index e7683116b26cb7e38d5415fcb9f55afe093e709a..c49ba6dab9a91acc39e9222b8957960ca5b20b35 100644 (file)
--- a/target-ppc/translate/vsx-ops.inc.c
+++ b/target-ppc/translate/vsx-ops.inc.c
@@ -18,6 +18,7 @@ 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),
 GEN_HANDLER_E(stxvh8x, 0x1F, 0x0C, 0x1D, 0, PPC_NONE,  PPC2_ISA300),
+GEN_HANDLER_E(stxvb16x, 0x1F, 0x0C, 0x1F, 0, PPC_NONE, PPC2_ISA300),
 
 GEN_HANDLER_E(mfvsrwz, 0x1F, 0x13, 0x03, 0x0000F800, PPC_NONE, PPC2_VSX207),
 GEN_HANDLER_E(mtvsrwa, 0x1F, 0x13, 0x06, 0x0000F800, PPC_NONE, PPC2_VSX207),