diff options
author | Richard Henderson <rth@twiddle.net> | 2016-02-23 17:18:36 -0800 |
---|---|---|
committer | David Gibson <david@gibson.dropbear.id.au> | 2016-05-27 09:40:22 +1000 |
commit | a7b2c8b90ad4b26b0152ff254f3f091ca198a972 (patch) | |
tree | eb418e98b043317e5920f2e05d9f2624c15dc0d3 /target-ppc | |
parent | 63ae0915f8ec9746d17a25c27f64cf65550627ab (diff) |
target-ppc: Cleanups to rldinm, rldnm, rldimi
Mirror the cleanups just done to rlwinm, rlwnm and rlwimi.
This adds use of deposit to rldimi.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'target-ppc')
-rw-r--r-- | target-ppc/translate.c | 91 |
1 files changed, 46 insertions, 45 deletions
diff --git a/target-ppc/translate.c b/target-ppc/translate.c index b392ecc944..f5ceae5900 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -1747,26 +1747,24 @@ static void glue(gen_, name##3)(DisasContext *ctx) \ gen_##name(ctx, 1, 1); \ } -static inline void gen_rldinm(DisasContext *ctx, uint32_t mb, uint32_t me, - uint32_t sh) +static void gen_rldinm(DisasContext *ctx, int mb, int me, int sh) { - if (likely(sh != 0 && mb == 0 && me == (63 - sh))) { - tcg_gen_shli_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], sh); - } else if (likely(sh != 0 && me == 63 && sh == (64 - mb))) { - tcg_gen_shri_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], mb); + TCGv t_ra = cpu_gpr[rA(ctx->opcode)]; + TCGv t_rs = cpu_gpr[rS(ctx->opcode)]; + + if (sh != 0 && mb == 0 && me == (63 - sh)) { + tcg_gen_shli_tl(t_ra, t_rs, sh); + } else if (sh != 0 && me == 63 && sh == (64 - mb)) { + tcg_gen_shri_tl(t_ra, t_rs, mb); } else { - TCGv t0 = tcg_temp_new(); - tcg_gen_rotli_tl(t0, cpu_gpr[rS(ctx->opcode)], sh); - if (likely(mb == 0 && me == 63)) { - tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0); - } else { - tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], t0, MASK(mb, me)); - } - tcg_temp_free(t0); + tcg_gen_rotli_tl(t_ra, t_rs, sh); + tcg_gen_andi_tl(t_ra, t_ra, MASK(mb, me)); + } + if (unlikely(Rc(ctx->opcode) != 0)) { + gen_set_Rc0(ctx, t_ra); } - if (unlikely(Rc(ctx->opcode) != 0)) - gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } + /* rldicl - rldicl. */ static inline void gen_rldicl(DisasContext *ctx, int mbn, int shn) { @@ -1777,6 +1775,7 @@ static inline void gen_rldicl(DisasContext *ctx, int mbn, int shn) gen_rldinm(ctx, mb, 63, sh); } GEN_PPC64_R4(rldicl, 0x1E, 0x00); + /* rldicr - rldicr. */ static inline void gen_rldicr(DisasContext *ctx, int men, int shn) { @@ -1787,6 +1786,7 @@ static inline void gen_rldicr(DisasContext *ctx, int men, int shn) gen_rldinm(ctx, 0, me, sh); } GEN_PPC64_R4(rldicr, 0x1E, 0x02); + /* rldic - rldic. */ static inline void gen_rldic(DisasContext *ctx, int mbn, int shn) { @@ -1798,21 +1798,22 @@ static inline void gen_rldic(DisasContext *ctx, int mbn, int shn) } GEN_PPC64_R4(rldic, 0x1E, 0x04); -static inline void gen_rldnm(DisasContext *ctx, uint32_t mb, uint32_t me) +static void gen_rldnm(DisasContext *ctx, int mb, int me) { + TCGv t_ra = cpu_gpr[rA(ctx->opcode)]; + TCGv t_rs = cpu_gpr[rS(ctx->opcode)]; + TCGv t_rb = cpu_gpr[rB(ctx->opcode)]; TCGv t0; t0 = tcg_temp_new(); - tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3f); - tcg_gen_rotl_tl(t0, cpu_gpr[rS(ctx->opcode)], t0); - if (unlikely(mb != 0 || me != 63)) { - tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], t0, MASK(mb, me)); - } else { - tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0); - } + tcg_gen_andi_tl(t0, t_rb, 0x3f); + tcg_gen_rotl_tl(t_ra, t_rs, t0); tcg_temp_free(t0); - if (unlikely(Rc(ctx->opcode) != 0)) - gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); + + tcg_gen_andi_tl(t_ra, t_ra, MASK(mb, me)); + if (unlikely(Rc(ctx->opcode) != 0)) { + gen_set_Rc0(ctx, t_ra); + } } /* rldcl - rldcl. */ @@ -1824,6 +1825,7 @@ static inline void gen_rldcl(DisasContext *ctx, int mbn) gen_rldnm(ctx, mb, 63); } GEN_PPC64_R2(rldcl, 0x1E, 0x08); + /* rldcr - rldcr. */ static inline void gen_rldcr(DisasContext *ctx, int men) { @@ -1833,32 +1835,31 @@ static inline void gen_rldcr(DisasContext *ctx, int men) gen_rldnm(ctx, 0, me); } GEN_PPC64_R2(rldcr, 0x1E, 0x09); + /* rldimi - rldimi. */ -static inline void gen_rldimi(DisasContext *ctx, int mbn, int shn) +static void gen_rldimi(DisasContext *ctx, int mbn, int shn) { - uint32_t sh, mb, me; + TCGv t_ra = cpu_gpr[rA(ctx->opcode)]; + TCGv t_rs = cpu_gpr[rS(ctx->opcode)]; + uint32_t sh = SH(ctx->opcode) | (shn << 5); + uint32_t mb = MB(ctx->opcode) | (mbn << 5); + uint32_t me = 63 - sh; - sh = SH(ctx->opcode) | (shn << 5); - mb = MB(ctx->opcode) | (mbn << 5); - me = 63 - sh; - if (unlikely(sh == 0 && mb == 0)) { - tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); + if (mb <= me) { + tcg_gen_deposit_tl(t_ra, t_ra, t_rs, sh, me - mb + 1); } else { - TCGv t0, t1; - target_ulong mask; + target_ulong mask = MASK(mb, me); + TCGv t1 = tcg_temp_new(); - t0 = tcg_temp_new(); - tcg_gen_rotli_tl(t0, cpu_gpr[rS(ctx->opcode)], sh); - t1 = tcg_temp_new(); - mask = MASK(mb, me); - tcg_gen_andi_tl(t0, t0, mask); - tcg_gen_andi_tl(t1, cpu_gpr[rA(ctx->opcode)], ~mask); - tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1); - tcg_temp_free(t0); + tcg_gen_rotli_tl(t1, t_rs, sh); + tcg_gen_andi_tl(t1, t1, mask); + tcg_gen_andi_tl(t_ra, t_ra, ~mask); + tcg_gen_or_tl(t_ra, t_ra, t1); tcg_temp_free(t1); } - if (unlikely(Rc(ctx->opcode) != 0)) - gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); + if (unlikely(Rc(ctx->opcode) != 0)) { + gen_set_Rc0(ctx, t_ra); + } } GEN_PPC64_R4(rldimi, 0x1E, 0x06); #endif |