diff options
Diffstat (limited to 'target-alpha/translate.c')
| -rw-r--r-- | target-alpha/translate.c | 97 |
1 files changed, 39 insertions, 58 deletions
diff --git a/target-alpha/translate.c b/target-alpha/translate.c index 6b2c7b2..2ca1985 100644 --- a/target-alpha/translate.c +++ b/target-alpha/translate.c @@ -51,7 +51,7 @@ static TCGv cpu_ir[31]; static TCGv cpu_pc; /* dyngen register indexes */ -static TCGv cpu_T[3]; +static TCGv cpu_T[2]; /* register names */ static char cpu_reg_names[10*4+21*5]; @@ -74,12 +74,9 @@ static void alpha_translate_init(void) offsetof(CPUState, t0), "T0"); cpu_T[1] = tcg_global_mem_new(TCG_TYPE_I64, TCG_AREG0, offsetof(CPUState, t1), "T1"); - cpu_T[2] = tcg_global_mem_new(TCG_TYPE_I64, TCG_AREG0, - offsetof(CPUState, t2), "T2"); #else cpu_T[0] = tcg_global_reg_new(TCG_TYPE_I64, TCG_AREG1, "T0"); cpu_T[1] = tcg_global_reg_new(TCG_TYPE_I64, TCG_AREG2, "T1"); - cpu_T[2] = tcg_global_reg_new(TCG_TYPE_I64, TCG_AREG3, "T2"); #endif p = cpu_reg_names; @@ -367,24 +364,6 @@ static always_inline void gen_fbcond (DisasContext *ctx, _gen_op_bcond(ctx); } -static always_inline void gen_arith3 (DisasContext *ctx, - void (*gen_arith_op)(void), - int ra, int rb, int rc, - int islit, uint8_t lit) -{ - if (ra != 31) - tcg_gen_mov_i64(cpu_T[0], cpu_ir[ra]); - else - tcg_gen_movi_i64(cpu_T[0], 0); - if (islit) - tcg_gen_movi_i64(cpu_T[1], lit); - else - tcg_gen_mov_i64(cpu_T[1], cpu_ir[rb]); - (*gen_arith_op)(); - if (rc != 31) - tcg_gen_mov_i64(cpu_ir[rc], cpu_T[0]); -} - static always_inline void gen_cmov (DisasContext *ctx, TCGCond inv_cond, int ra, int rb, int rc, @@ -525,16 +504,10 @@ static always_inline void gen_ext_l(void (*tcg_gen_ext_i64)(TCGv t0, TCGv t1), tcg_gen_movi_i64(cpu_ir[rc], 0); } -/* Code to call byte manipulation helpers, used by: - INSWH, INSLH, INSQH, INSBL, INSWL, INSLL, INSQL, - MSKWH, MSKLH, MSKQH, MSKBL, MSKWL, MSKLL, MSKQL, - ZAP, ZAPNOT - - WARNING: it assumes that when ra31 is used, the result is 0. -*/ -static always_inline void gen_byte_manipulation(void *helper, - int ra, int rb, int rc, - int islit, uint8_t lit) +/* Code to call arith3 helpers */ +static always_inline void gen_arith3_helper(void *helper, + int ra, int rb, int rc, + int islit, uint8_t lit) { if (unlikely(rc == 31)) return; @@ -546,8 +519,16 @@ static always_inline void gen_byte_manipulation(void *helper, tcg_temp_free(tmp); } else tcg_gen_helper_1_2(helper, cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]); - } else - tcg_gen_movi_i64(cpu_ir[rc], 0); + } else { + TCGv tmp1 = tcg_const_i64(0); + if (islit) { + TCGv tmp2 = tcg_const_i64(lit); + tcg_gen_helper_1_2(helper, cpu_ir[rc], tmp1, tmp2); + tcg_temp_free(tmp2); + } else + tcg_gen_helper_1_2(helper, cpu_ir[rc], tmp1, cpu_ir[rb]); + tcg_temp_free(tmp1); + } } static always_inline void gen_cmp(TCGCond cond, @@ -791,7 +772,7 @@ static always_inline int translate_one (DisasContext *ctx, uint32_t insn) break; case 0x0F: /* CMPBGE */ - gen_arith3(ctx, &gen_op_cmpbge, ra, rb, rc, islit, lit); + gen_arith3_helper(helper_cmpbge, ra, rb, rc, islit, lit); break; case 0x12: /* S8ADDL */ @@ -957,11 +938,11 @@ static always_inline int translate_one (DisasContext *ctx, uint32_t insn) break; case 0x40: /* ADDL/V */ - gen_arith3(ctx, &gen_op_addlv, ra, rb, rc, islit, lit); + gen_arith3_helper(helper_addlv, ra, rb, rc, islit, lit); break; case 0x49: /* SUBL/V */ - gen_arith3(ctx, &gen_op_sublv, ra, rb, rc, islit, lit); + gen_arith3_helper(helper_sublv, ra, rb, rc, islit, lit); break; case 0x4D: /* CMPLT */ @@ -969,11 +950,11 @@ static always_inline int translate_one (DisasContext *ctx, uint32_t insn) break; case 0x60: /* ADDQ/V */ - gen_arith3(ctx, &gen_op_addqv, ra, rb, rc, islit, lit); + gen_arith3_helper(helper_addqv, ra, rb, rc, islit, lit); break; case 0x69: /* SUBQ/V */ - gen_arith3(ctx, &gen_op_subqv, ra, rb, rc, islit, lit); + gen_arith3_helper(helper_subqv, ra, rb, rc, islit, lit); break; case 0x6D: /* CMPLE */ @@ -1138,7 +1119,7 @@ static always_inline int translate_one (DisasContext *ctx, uint32_t insn) switch (fn7) { case 0x02: /* MSKBL */ - gen_byte_manipulation(helper_mskbl, ra, rb, rc, islit, lit); + gen_arith3_helper(helper_mskbl, ra, rb, rc, islit, lit); break; case 0x06: /* EXTBL */ @@ -1146,11 +1127,11 @@ static always_inline int translate_one (DisasContext *ctx, uint32_t insn) break; case 0x0B: /* INSBL */ - gen_byte_manipulation(helper_insbl, ra, rb, rc, islit, lit); + gen_arith3_helper(helper_insbl, ra, rb, rc, islit, lit); break; case 0x12: /* MSKWL */ - gen_byte_manipulation(helper_mskwl, ra, rb, rc, islit, lit); + gen_arith3_helper(helper_mskwl, ra, rb, rc, islit, lit); break; case 0x16: /* EXTWL */ @@ -1158,11 +1139,11 @@ static always_inline int translate_one (DisasContext *ctx, uint32_t insn) break; case 0x1B: /* INSWL */ - gen_byte_manipulation(helper_inswl, ra, rb, rc, islit, lit); + gen_arith3_helper(helper_inswl, ra, rb, rc, islit, lit); break; case 0x22: /* MSKLL */ - gen_byte_manipulation(helper_mskll, ra, rb, rc, islit, lit); + gen_arith3_helper(helper_mskll, ra, rb, rc, islit, lit); break; case 0x26: /* EXTLL */ @@ -1170,19 +1151,19 @@ static always_inline int translate_one (DisasContext *ctx, uint32_t insn) break; case 0x2B: /* INSLL */ - gen_byte_manipulation(helper_insll, ra, rb, rc, islit, lit); + gen_arith3_helper(helper_insll, ra, rb, rc, islit, lit); break; case 0x30: /* ZAP */ - gen_byte_manipulation(helper_zap, ra, rb, rc, islit, lit); + gen_arith3_helper(helper_zap, ra, rb, rc, islit, lit); break; case 0x31: /* ZAPNOT */ - gen_byte_manipulation(helper_zapnot, ra, rb, rc, islit, lit); + gen_arith3_helper(helper_zapnot, ra, rb, rc, islit, lit); break; case 0x32: /* MSKQL */ - gen_byte_manipulation(helper_mskql, ra, rb, rc, islit, lit); + gen_arith3_helper(helper_mskql, ra, rb, rc, islit, lit); break; case 0x34: /* SRL */ @@ -1222,7 +1203,7 @@ static always_inline int translate_one (DisasContext *ctx, uint32_t insn) break; case 0x3B: /* INSQL */ - gen_byte_manipulation(helper_insql, ra, rb, rc, islit, lit); + gen_arith3_helper(helper_insql, ra, rb, rc, islit, lit); break; case 0x3C: /* SRA */ @@ -1242,11 +1223,11 @@ static always_inline int translate_one (DisasContext *ctx, uint32_t insn) break; case 0x52: /* MSKWH */ - gen_byte_manipulation(helper_mskwh, ra, rb, rc, islit, lit); + gen_arith3_helper(helper_mskwh, ra, rb, rc, islit, lit); break; case 0x57: /* INSWH */ - gen_byte_manipulation(helper_inswh, ra, rb, rc, islit, lit); + gen_arith3_helper(helper_inswh, ra, rb, rc, islit, lit); break; case 0x5A: /* EXTWH */ @@ -1254,11 +1235,11 @@ static always_inline int translate_one (DisasContext *ctx, uint32_t insn) break; case 0x62: /* MSKLH */ - gen_byte_manipulation(helper_msklh, ra, rb, rc, islit, lit); + gen_arith3_helper(helper_msklh, ra, rb, rc, islit, lit); break; case 0x67: /* INSLH */ - gen_byte_manipulation(helper_inslh, ra, rb, rc, islit, lit); + gen_arith3_helper(helper_inslh, ra, rb, rc, islit, lit); break; case 0x6A: /* EXTLH */ @@ -1266,11 +1247,11 @@ static always_inline int translate_one (DisasContext *ctx, uint32_t insn) break; case 0x72: /* MSKQH */ - gen_byte_manipulation(helper_mskqh, ra, rb, rc, islit, lit); + gen_arith3_helper(helper_mskqh, ra, rb, rc, islit, lit); break; case 0x77: /* INSQH */ - gen_byte_manipulation(helper_insqh, ra, rb, rc, islit, lit); + gen_arith3_helper(helper_insqh, ra, rb, rc, islit, lit); break; case 0x7A: /* EXTQH */ @@ -1309,15 +1290,15 @@ static always_inline int translate_one (DisasContext *ctx, uint32_t insn) break; case 0x30: /* UMULH */ - gen_arith3(ctx, &gen_op_umulh, ra, rb, rc, islit, lit); + gen_arith3_helper(helper_umulh, ra, rb, rc, islit, lit); break; case 0x40: /* MULL/V */ - gen_arith3(ctx, &gen_op_mullv, ra, rb, rc, islit, lit); + gen_arith3_helper(helper_mullv, ra, rb, rc, islit, lit); break; case 0x60: /* MULQ/V */ - gen_arith3(ctx, &gen_op_mulqv, ra, rb, rc, islit, lit); + gen_arith3_helper(helper_mulqv, ra, rb, rc, islit, lit); break; default: goto invalid_opc; |
