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| author | Nikunj A Dadhania | 2016-09-28 20:41:58 +0200 |
|---|---|---|
| committer | David Gibson | 2016-10-05 02:05:28 +0200 |
| commit | 0b8ac648ecb02c4d157101c032518390b949e770 (patch) | |
| tree | 52650ec8135aa332bcbd95583a9f151503a31e29 | |
| parent | target-ppc: add lxvh8x instruction (diff) | |
| download | qemu-0b8ac648ecb02c4d157101c032518390b949e770.tar.gz qemu-0b8ac648ecb02c4d157101c032518390b949e770.tar.xz qemu-0b8ac648ecb02c4d157101c032518390b949e770.zip | |
target-ppc: add stxvh8x instruction
stxvh8x: Store VSX Vector Halfword*8
Vector (16-bit elements):
+------+------+------+------+------+------+------+------+
| 0001 | 1011 | 2021 | 3031 | 4041 | 5051 | 6061 | 7071 |
+------+------+------+------+------+------+------+------+
Store results in following:
Big-Endian Storage
+-------+-------+-------+-------+-------+-------+-------+-------+
| 00 01 | 10 11 | 20 21 | 30 31 | 40 41 | 50 51 | 60 61 | 70 71 |
+-------+-------+-------+-------+-------+-------+-------+-------+
Little-Endian Storage
+-------+-------+-------+-------+-------+-------+-------+-------+
| 01 00 | 11 10 | 21 20 | 31 30 | 41 40 | 51 50 | 61 60 | 71 70 |
+-------+-------+-------+-------+-------+-------+-------+-------+
Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
[dwg: Tweak commit description]
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
| -rw-r--r-- | target-ppc/translate/vsx-impl.inc.c | 31 | ||||
| -rw-r--r-- | target-ppc/translate/vsx-ops.inc.c | 1 |
2 files changed, 32 insertions, 0 deletions
diff --git a/target-ppc/translate/vsx-impl.inc.c b/target-ppc/translate/vsx-impl.inc.c index 1376be8ddf..ed55e97cc4 100644 --- a/target-ppc/translate/vsx-impl.inc.c +++ b/target-ppc/translate/vsx-impl.inc.c @@ -226,6 +226,37 @@ static void gen_stxvw4x(DisasContext *ctx) tcg_temp_free(EA); } +static void gen_stxvh8x(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); + if (ctx->le_mode) { + TCGv_i64 outh = tcg_temp_new_i64(); + TCGv_i64 outl = tcg_temp_new_i64(); + + gen_bswap16x8(outh, outl, xsh, xsl); + tcg_gen_qemu_st_i64(outh, EA, ctx->mem_idx, MO_BEQ); + tcg_gen_addi_tl(EA, EA, 8); + tcg_gen_qemu_st_i64(outl, EA, ctx->mem_idx, MO_BEQ); + tcg_temp_free_i64(outh); + tcg_temp_free_i64(outl); + } else { + 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 322fd5bb2f..9abea1a1b1 100644 --- a/target-ppc/translate/vsx-ops.inc.c +++ b/target-ppc/translate/vsx-ops.inc.c @@ -16,6 +16,7 @@ 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), +GEN_HANDLER_E(stxvh8x, 0x1F, 0x0C, 0x1D, 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), |