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| author | Tom Musta <tommusta@gmail.com> | 2013-11-01 08:21:20 -0500 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2013-12-20 01:58:06 +0100 |
| commit | ce577d2e48e756f17d4c4a6c6bdc96924a157ca0 (patch) | |
| tree | 57dcd809c6e2f18b72280f47f178241c57e429d4 | |
| parent | 79ca8a6a76517edb4f54793c638259b9e6dfce66 (diff) | |
Add xxmrgh/xxmrgl
This patch adds the VSX Merge High Word and VSX Merge Low Word
instructions.
V2: Now implemented using deposit (per Richard Henderson's comment)
Signed-off-by: Tom Musta <tommusta@gmail.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Alexander Graf <agraf@suse.de>
| -rw-r--r-- | target-ppc/translate.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/target-ppc/translate.c b/target-ppc/translate.c index 710ae321cc..75226fa402 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -7287,6 +7287,45 @@ VSX_LOGICAL(xxlor, tcg_gen_or_tl) VSX_LOGICAL(xxlxor, tcg_gen_xor_tl) VSX_LOGICAL(xxlnor, tcg_gen_nor_tl) +#define VSX_XXMRG(name, high) \ +static void glue(gen_, name)(DisasContext * ctx) \ + { \ + TCGv_i64 a0, a1, b0, b1; \ + if (unlikely(!ctx->vsx_enabled)) { \ + gen_exception(ctx, POWERPC_EXCP_VSXU); \ + return; \ + } \ + a0 = tcg_temp_new(); \ + a1 = tcg_temp_new(); \ + b0 = tcg_temp_new(); \ + b1 = tcg_temp_new(); \ + if (high) { \ + tcg_gen_mov_i64(a0, cpu_vsrh(xA(ctx->opcode))); \ + tcg_gen_mov_i64(a1, cpu_vsrh(xA(ctx->opcode))); \ + tcg_gen_mov_i64(b0, cpu_vsrh(xB(ctx->opcode))); \ + tcg_gen_mov_i64(b1, cpu_vsrh(xB(ctx->opcode))); \ + } else { \ + tcg_gen_mov_i64(a0, cpu_vsrl(xA(ctx->opcode))); \ + tcg_gen_mov_i64(a1, cpu_vsrl(xA(ctx->opcode))); \ + tcg_gen_mov_i64(b0, cpu_vsrl(xB(ctx->opcode))); \ + tcg_gen_mov_i64(b1, cpu_vsrl(xB(ctx->opcode))); \ + } \ + tcg_gen_shri_i64(a0, a0, 32); \ + tcg_gen_shri_i64(b0, b0, 32); \ + tcg_gen_deposit_i64(cpu_vsrh(xT(ctx->opcode)), \ + b0, a0, 32, 32); \ + tcg_gen_deposit_i64(cpu_vsrl(xT(ctx->opcode)), \ + b1, a1, 32, 32); \ + tcg_temp_free(a0); \ + tcg_temp_free(a1); \ + tcg_temp_free(b0); \ + tcg_temp_free(b1); \ + } + +VSX_XXMRG(xxmrghw, 1) +VSX_XXMRG(xxmrglw, 0) + + /*** SPE extension ***/ /* Register moves */ @@ -9798,6 +9837,8 @@ VSX_LOGICAL(xxlandc, 0x8, 0x11, PPC2_VSX), VSX_LOGICAL(xxlor, 0x8, 0x12, PPC2_VSX), VSX_LOGICAL(xxlxor, 0x8, 0x13, PPC2_VSX), VSX_LOGICAL(xxlnor, 0x8, 0x14, PPC2_VSX), +GEN_XX3FORM(xxmrghw, 0x08, 0x02, PPC2_VSX), +GEN_XX3FORM(xxmrglw, 0x08, 0x06, PPC2_VSX), GEN_XX3FORM_DM(xxpermdi, 0x08, 0x01), |