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target-ppc: add stxvb16x instruction

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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 <nikunj@linux.vnet.ibm.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Nikunj A Dadhania 2016-09-29 00:12:00 +05:30 committed by David Gibson
parent 8ee38face9
commit f3333ce0b5
2 changed files with 20 additions and 0 deletions
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19
target-ppc/translate/vsx-impl.inc.c
View File

@ -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) \
{ \

1
target-ppc/translate/vsx-ops.inc.c
View File

@ -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),