diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2018-02-20 10:28:01 -0800 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2018-05-14 14:54:24 -0700 |
| commit | e720a5713dcfb7b2ea1d28c108353e7a12fea84d (patch) | |
| tree | fed4bbc2e42ae07122fd4022ff61b6d467998b8d | |
| parent | e20c2592bc6165bffeb968684e01bc26a6181a84 (diff) | |
target/openrisc: Convert dec_M
Acked-by: Stafford Horne <shorne@gmail.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
| -rw-r--r-- | target/openrisc/insns.decode | 3 | ||||
| -rw-r--r-- | target/openrisc/translate.c | 41 |
2 files changed, 16 insertions, 28 deletions
diff --git a/target/openrisc/insns.decode b/target/openrisc/insns.decode index fb8ba5812a..84f71c13b3 100644 --- a/target/openrisc/insns.decode +++ b/target/openrisc/insns.decode @@ -95,6 +95,9 @@ l_mtspr 110000 ..... a:5 b:5 ........... k=%mtspr_k l_maci 010011 ----- a:5 i:s16 +l_movhi 000110 d:5 ----0 k:16 +l_macrc 000110 d:5 ----1 00000000 00000000 + #### # Arithmetic Instructions #### diff --git a/target/openrisc/translate.c b/target/openrisc/translate.c index b5ff7577bd..bdd4626c02 100644 --- a/target/openrisc/translate.c +++ b/target/openrisc/translate.c @@ -1030,32 +1030,21 @@ static bool trans_l_rori(DisasContext *dc, arg_dal *a, uint32_t insn) return true; } -static void dec_M(DisasContext *dc, uint32_t insn) +static bool trans_l_movhi(DisasContext *dc, arg_l_movhi *a, uint32_t insn) { - uint32_t op0; - uint32_t rd; - uint32_t K16; - op0 = extract32(insn, 16, 1); - rd = extract32(insn, 21, 5); - K16 = extract32(insn, 0, 16); - - check_r0_write(rd); - switch (op0) { - case 0x0: /* l.movhi */ - LOG_DIS("l.movhi r%d, %d\n", rd, K16); - tcg_gen_movi_tl(cpu_R[rd], (K16 << 16)); - break; - - case 0x1: /* l.macrc */ - LOG_DIS("l.macrc r%d\n", rd); - tcg_gen_trunc_i64_tl(cpu_R[rd], cpu_mac); - tcg_gen_movi_i64(cpu_mac, 0); - break; + LOG_DIS("l.movhi r%d, %d\n", a->d, a->k); + check_r0_write(a->d); + tcg_gen_movi_tl(cpu_R[a->d], a->k << 16); + return true; +} - default: - gen_illegal_exception(dc); - break; - } +static bool trans_l_macrc(DisasContext *dc, arg_l_macrc *a, uint32_t insn) +{ + LOG_DIS("l.macrc r%d\n", a->d); + check_r0_write(a->d); + tcg_gen_trunc_i64_tl(cpu_R[a->d], cpu_mac); + tcg_gen_movi_i64(cpu_mac, 0); + return true; } static void dec_comp(DisasContext *dc, uint32_t insn) @@ -1480,10 +1469,6 @@ static void disas_openrisc_insn(DisasContext *dc, OpenRISCCPU *cpu) op0 = extract32(insn, 26, 6); switch (op0) { - case 0x06: - dec_M(dc, insn); - break; - case 0x2f: dec_compi(dc, insn); break; |