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Add xxmrgh/xxmrgl

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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>
This commit is contained in:
Tom Musta 2013-11-01 08:21:20 -05:00 committed by Alexander Graf
parent 79ca8a6a76
commit ce577d2e48
1 changed files with 41 additions and 0 deletions
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41
target-ppc/translate.c
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@ -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),