diff options
Diffstat (limited to 'target-alpha/translate.c')
| -rw-r--r-- | target-alpha/translate.c | 76 |
1 files changed, 49 insertions, 27 deletions
diff --git a/target-alpha/translate.c b/target-alpha/translate.c index e6dc473..804cfcc 100644 --- a/target-alpha/translate.c +++ b/target-alpha/translate.c @@ -25,6 +25,7 @@ #include "cpu.h" #include "exec-all.h" #include "disas.h" +#include "host-utils.h" #include "helper.h" #include "tcg-op.h" #include "qemu-common.h" @@ -349,21 +350,6 @@ static always_inline void gen_fbcond (DisasContext *ctx, _gen_op_bcond(ctx); } -static always_inline void gen_arith2 (DisasContext *ctx, - void (*gen_arith_op)(void), - int rb, int rc, int islit, uint8_t lit) -{ - if (islit) - tcg_gen_movi_i64(cpu_T[0], lit); - else if (rb != 31) - tcg_gen_mov_i64(cpu_T[0], cpu_ir[rb]); - else - tcg_gen_movi_i64(cpu_T[0], 0); - (*gen_arith_op)(); - if (rc != 31) - tcg_gen_mov_i64(cpu_ir[rc], cpu_T[0]); -} - static always_inline void gen_arith3 (DisasContext *ctx, void (*gen_arith_op)(void), int ra, int rb, int rc, @@ -502,12 +488,6 @@ static always_inline void gen_s8subq (void) tcg_gen_sub_i64(cpu_T[0], cpu_T[0], cpu_T[1]); } -static always_inline void gen_amask (void) -{ - gen_op_load_amask(); - gen_op_bic(); -} - static always_inline int translate_one (DisasContext *ctx, uint32_t insn) { uint32_t palcode; @@ -793,7 +773,14 @@ static always_inline int translate_one (DisasContext *ctx, uint32_t insn) break; case 0x61: /* AMASK */ - gen_arith2(ctx, &gen_amask, rb, rc, islit, lit); + if (likely(rc != 31)) { + if (islit) + tcg_gen_movi_i64(cpu_ir[rc], helper_amask(lit)); + else if (rb != 31) + tcg_gen_helper_1_1(helper_amask, cpu_ir[rc], cpu_ir[rb]); + else + tcg_gen_movi_i64(cpu_ir[rc], 0); + } break; case 0x64: /* CMOVLE */ @@ -1446,19 +1433,40 @@ static always_inline int translate_one (DisasContext *ctx, uint32_t insn) /* SEXTB */ if (!(ctx->amask & AMASK_BWX)) goto invalid_opc; - gen_arith2(ctx, &gen_op_sextb, rb, rc, islit, lit); + if (likely(rc != 31)) { + if (islit) + tcg_gen_movi_i64(cpu_ir[rc], (int64_t)((int8_t)lit)); + else if (rb != 31) + tcg_gen_ext8s_i64(cpu_ir[rc], cpu_ir[rb]); + else + tcg_gen_movi_i64(cpu_ir[rc], 0); + } break; case 0x01: /* SEXTW */ if (!(ctx->amask & AMASK_BWX)) goto invalid_opc; - gen_arith2(ctx, &gen_op_sextw, rb, rc, islit, lit); + if (likely(rc != 31)) { + if (islit) + tcg_gen_movi_i64(cpu_ir[rc], (int64_t)((int16_t)lit)); + else if (rb != 31) + tcg_gen_ext16s_i64(cpu_ir[rc], cpu_ir[rb]); + else + tcg_gen_movi_i64(cpu_ir[rc], 0); + } break; case 0x30: /* CTPOP */ if (!(ctx->amask & AMASK_CIX)) goto invalid_opc; - gen_arith2(ctx, &gen_op_ctpop, rb, rc, 0, 0); + if (likely(rc != 31)) { + if (islit) + tcg_gen_movi_i64(cpu_ir[rc], ctpop64(lit)); + else if (rb != 31) + tcg_gen_helper_1_1(helper_ctpop, cpu_ir[rc], cpu_ir[rb]); + else + tcg_gen_movi_i64(cpu_ir[rc], 0); + } break; case 0x31: /* PERR */ @@ -1471,13 +1479,27 @@ static always_inline int translate_one (DisasContext *ctx, uint32_t insn) /* CTLZ */ if (!(ctx->amask & AMASK_CIX)) goto invalid_opc; - gen_arith2(ctx, &gen_op_ctlz, rb, rc, 0, 0); + if (likely(rc != 31)) { + if (islit) + tcg_gen_movi_i64(cpu_ir[rc], clz64(lit)); + else if (rb != 31) + tcg_gen_helper_1_1(helper_ctlz, cpu_ir[rc], cpu_ir[rb]); + else + tcg_gen_movi_i64(cpu_ir[rc], 0); + } break; case 0x33: /* CTTZ */ if (!(ctx->amask & AMASK_CIX)) goto invalid_opc; - gen_arith2(ctx, &gen_op_cttz, rb, rc, 0, 0); + if (likely(rc != 31)) { + if (islit) + tcg_gen_movi_i64(cpu_ir[rc], ctz64(lit)); + else if (rb != 31) + tcg_gen_helper_1_1(helper_cttz, cpu_ir[rc], cpu_ir[rb]); + else + tcg_gen_movi_i64(cpu_ir[rc], 0); + } break; case 0x34: /* UNPKBW */ |