diff options
Diffstat (limited to 'target-alpha/translate.c')
| -rw-r--r-- | target-alpha/translate.c | 47 |
1 files changed, 19 insertions, 28 deletions
diff --git a/target-alpha/translate.c b/target-alpha/translate.c index 23fb551fab..5c6db61c4a 100644 --- a/target-alpha/translate.c +++ b/target-alpha/translate.c @@ -1321,15 +1321,11 @@ static void gen_ins_l(int ra, int rb, int rc, int islit, } /* MSKWH, MSKLH, MSKQH */ -static void gen_msk_h(int ra, int rb, int rc, int islit, +static void gen_msk_h(DisasContext *ctx, TCGv vc, TCGv va, int rb, bool islit, uint8_t lit, uint8_t byte_mask) { - if (unlikely(rc == 31)) { - return; - } else if (unlikely(ra == 31)) { - tcg_gen_movi_i64(cpu_ir[rc], 0); - } else if (islit) { - gen_zapnoti (cpu_ir[rc], cpu_ir[ra], ~((byte_mask << (lit & 7)) >> 8)); + if (islit) { + gen_zapnoti(vc, va, ~((byte_mask << (lit & 7)) >> 8)); } else { TCGv shift = tcg_temp_new(); TCGv mask = tcg_temp_new(); @@ -1341,17 +1337,16 @@ static void gen_msk_h(int ra, int rb, int rc, int islit, shift of 64 bits in order to generate a zero. This is done by splitting the shift into two parts, the variable shift - 1 followed by a constant 1 shift. The code we expand below is - equivalent to ~((B & 7) * 8) & 63. */ + equivalent to ~(B * 8) & 63. */ - tcg_gen_andi_i64(shift, cpu_ir[rb], 7); - tcg_gen_shli_i64(shift, shift, 3); + tcg_gen_shli_i64(shift, load_gpr(ctx, rb), 3); tcg_gen_not_i64(shift, shift); tcg_gen_andi_i64(shift, shift, 0x3f); tcg_gen_movi_i64(mask, zapnot_mask (byte_mask)); tcg_gen_shr_i64(mask, mask, shift); tcg_gen_shri_i64(mask, mask, 1); - tcg_gen_andc_i64(cpu_ir[rc], cpu_ir[ra], mask); + tcg_gen_andc_i64(vc, va, mask); tcg_temp_free(mask); tcg_temp_free(shift); @@ -1359,25 +1354,21 @@ static void gen_msk_h(int ra, int rb, int rc, int islit, } /* MSKBL, MSKWL, MSKLL, MSKQL */ -static void gen_msk_l(int ra, int rb, int rc, int islit, +static void gen_msk_l(DisasContext *ctx, TCGv vc, TCGv va, int rb, bool islit, uint8_t lit, uint8_t byte_mask) { - if (unlikely(rc == 31)) { - return; - } else if (unlikely(ra == 31)) { - tcg_gen_movi_i64(cpu_ir[rc], 0); - } else if (islit) { - gen_zapnoti (cpu_ir[rc], cpu_ir[ra], ~(byte_mask << (lit & 7))); + if (islit) { + gen_zapnoti(vc, va, ~(byte_mask << (lit & 7))); } else { TCGv shift = tcg_temp_new(); TCGv mask = tcg_temp_new(); - tcg_gen_andi_i64(shift, cpu_ir[rb], 7); + tcg_gen_andi_i64(shift, load_gpr(ctx, rb), 7); tcg_gen_shli_i64(shift, shift, 3); - tcg_gen_movi_i64(mask, zapnot_mask (byte_mask)); + tcg_gen_movi_i64(mask, zapnot_mask(byte_mask)); tcg_gen_shl_i64(mask, mask, shift); - tcg_gen_andc_i64(cpu_ir[rc], cpu_ir[ra], mask); + tcg_gen_andc_i64(vc, va, mask); tcg_temp_free(mask); tcg_temp_free(shift); @@ -2109,7 +2100,7 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn) switch (fn7) { case 0x02: /* MSKBL */ - gen_msk_l(ra, rb, rc, islit, lit, 0x01); + gen_msk_l(ctx, vc, va, rb, islit, lit, 0x01); break; case 0x06: /* EXTBL */ @@ -2121,7 +2112,7 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn) break; case 0x12: /* MSKWL */ - gen_msk_l(ra, rb, rc, islit, lit, 0x03); + gen_msk_l(ctx, vc, va, rb, islit, lit, 0x03); break; case 0x16: /* EXTWL */ @@ -2133,7 +2124,7 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn) break; case 0x22: /* MSKLL */ - gen_msk_l(ra, rb, rc, islit, lit, 0x0f); + gen_msk_l(ctx, vc, va, rb, islit, lit, 0x0f); break; case 0x26: /* EXTLL */ @@ -2153,7 +2144,7 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn) break; case 0x32: /* MSKQL */ - gen_msk_l(ra, rb, rc, islit, lit, 0xff); + gen_msk_l(ctx, vc, va, rb, islit, lit, 0xff); break; case 0x34: /* SRL */ @@ -2201,7 +2192,7 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn) break; case 0x52: /* MSKWH */ - gen_msk_h(ra, rb, rc, islit, lit, 0x03); + gen_msk_h(ctx, vc, va, rb, islit, lit, 0x03); break; case 0x57: /* INSWH */ @@ -2213,7 +2204,7 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn) break; case 0x62: /* MSKLH */ - gen_msk_h(ra, rb, rc, islit, lit, 0x0f); + gen_msk_h(ctx, vc, va, rb, islit, lit, 0x0f); break; case 0x67: /* INSLH */ @@ -2225,7 +2216,7 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn) break; case 0x72: /* MSKQH */ - gen_msk_h(ra, rb, rc, islit, lit, 0xff); + gen_msk_h(ctx, vc, va, rb, islit, lit, 0xff); break; case 0x77: /* INSQH */ |