diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2022-04-21 08:17:13 -0700 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2022-04-26 08:16:41 -0700 |
| commit | 718db07714734a89338ae7a1dedcbafa579664eb (patch) | |
| tree | 1a4deeed47b18e60ffe0370b99de1d2916b63784 /target/nios2 | |
| parent | 345b7a8757e89a8f70a1fa09c6d51310650ef8be (diff) | |
target/nios2: Use tcg_constant_tl
Replace current uses of tcg_const_tl, and remove the frees.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-43-richard.henderson@linaro.org>
Diffstat (limited to 'target/nios2')
| -rw-r--r-- | target/nios2/translate.c | 30 |
1 files changed, 6 insertions, 24 deletions
diff --git a/target/nios2/translate.c b/target/nios2/translate.c index b27269bf08..f33015f942 100644 --- a/target/nios2/translate.c +++ b/target/nios2/translate.c @@ -99,7 +99,6 @@ typedef struct DisasContext { DisasContextBase base; - TCGv_i32 zero; target_ulong pc; int mem_idx; const ControlRegState *cr_state; @@ -125,31 +124,20 @@ static uint8_t get_opxcode(uint32_t code) return instr.opx; } -static TCGv load_zero(DisasContext *dc) +static TCGv load_gpr(DisasContext *dc, unsigned reg) { - if (!dc->zero) { - dc->zero = tcg_const_i32(0); - } - return dc->zero; -} - -static TCGv load_gpr(DisasContext *dc, uint8_t reg) -{ - if (likely(reg != R_ZERO)) { - return cpu_R[reg]; - } else { - return load_zero(dc); + assert(reg < NUM_GP_REGS); + if (unlikely(reg == R_ZERO)) { + return tcg_constant_tl(0); } + return cpu_R[reg]; } static void t_gen_helper_raise_exception(DisasContext *dc, uint32_t index) { - TCGv_i32 tmp = tcg_const_i32(index); - tcg_gen_movi_tl(cpu_pc, dc->pc); - gen_helper_raise_exception(cpu_env, tmp); - tcg_temp_free_i32(tmp); + gen_helper_raise_exception(cpu_env, tcg_constant_i32(index)); dc->base.is_jmp = DISAS_NORETURN; } @@ -876,14 +864,8 @@ static void nios2_tr_translate_insn(DisasContextBase *dcbase, CPUState *cs) return; } - dc->zero = NULL; - instr = &i_type_instructions[op]; instr->handler(dc, code, instr->flags); - - if (dc->zero) { - tcg_temp_free(dc->zero); - } } static void nios2_tr_tb_stop(DisasContextBase *dcbase, CPUState *cs) |