diff options
| author | Richard Henderson <rth@twiddle.net> | 2016-11-16 11:40:39 +0100 |
|---|---|---|
| committer | Richard Henderson <rth@twiddle.net> | 2017-01-10 08:06:11 -0800 |
| commit | 03a733dc62de8bcf85bba59ac2776ed3d4adcbf1 (patch) | |
| tree | 0d360717bb7680fbb005bbb705c3a5c003f51210 /target | |
| parent | 0efa8208544e3e5984d7089ec751d3fbcfd43156 (diff) | |
target-unicore32: Use clz opcode
Signed-off-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'target')
| -rw-r--r-- | target/unicore32/helper.c | 10 | ||||
| -rw-r--r-- | target/unicore32/helper.h | 3 | ||||
| -rw-r--r-- | target/unicore32/translate.c | 6 |
3 files changed, 3 insertions, 16 deletions
diff --git a/target/unicore32/helper.c b/target/unicore32/helper.c index d603bde237..7a5613e776 100644 --- a/target/unicore32/helper.c +++ b/target/unicore32/helper.c @@ -32,16 +32,6 @@ UniCore32CPU *uc32_cpu_init(const char *cpu_model) return UNICORE32_CPU(cpu_generic_init(TYPE_UNICORE32_CPU, cpu_model)); } -uint32_t HELPER(clo)(uint32_t x) -{ - return clo32(x); -} - -uint32_t HELPER(clz)(uint32_t x) -{ - return clz32(x); -} - #ifndef CONFIG_USER_ONLY void helper_cp0_set(CPUUniCore32State *env, uint32_t val, uint32_t creg, uint32_t cop) diff --git a/target/unicore32/helper.h b/target/unicore32/helper.h index 941813749d..a4a5d45d1d 100644 --- a/target/unicore32/helper.h +++ b/target/unicore32/helper.h @@ -13,9 +13,6 @@ DEF_HELPER_3(cp0_get, i32, env, i32, i32) DEF_HELPER_1(cp1_putc, void, i32) #endif -DEF_HELPER_1(clz, i32, i32) -DEF_HELPER_1(clo, i32, i32) - DEF_HELPER_2(exception, void, env, i32) DEF_HELPER_3(asr_write, void, env, i32, i32) diff --git a/target/unicore32/translate.c b/target/unicore32/translate.c index 514d460408..666a2016a8 100644 --- a/target/unicore32/translate.c +++ b/target/unicore32/translate.c @@ -1479,10 +1479,10 @@ static void do_misc(CPUUniCore32State *env, DisasContext *s, uint32_t insn) /* clz */ tmp = load_reg(s, UCOP_REG_M); if (UCOP_SET(26)) { - gen_helper_clo(tmp, tmp); - } else { - gen_helper_clz(tmp, tmp); + /* clo */ + tcg_gen_not_i32(tmp, tmp); } + tcg_gen_clzi_i32(tmp, tmp, 32); store_reg(s, UCOP_REG_D, tmp); return; } |