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| author | Edgar E. Iglesias <edgar.iglesias@gmail.com> | 2013-10-23 16:44:08 +0200 |
|---|---|---|
| committer | Edgar E. Iglesias <edgar.iglesias@gmail.com> | 2013-10-24 22:32:56 +0200 |
| commit | 4a536270454cc6e59960857a4e4a7c1ebb7fdd4b (patch) | |
| tree | 648cf48ed78ee65de0b939a6ffc58a7bc146791e /target-microblaze | |
| parent | 536446e914caa8702053efb506b4f4d92128d7e6 (diff) | |
| download | qemu-4a536270454cc6e59960857a4e4a7c1ebb7fdd4b.tar.gz | |
microblaze: Turn res_addr into a tcg global
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
Diffstat (limited to 'target-microblaze')
| -rw-r--r-- | target-microblaze/translate.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/target-microblaze/translate.c b/target-microblaze/translate.c index 021a504ec0..57627fc2fd 100644 --- a/target-microblaze/translate.c +++ b/target-microblaze/translate.c @@ -49,6 +49,7 @@ static TCGv env_imm; static TCGv env_btaken; static TCGv env_btarget; static TCGv env_iflags; +static TCGv env_res_addr; #include "exec/gen-icount.h" @@ -877,7 +878,7 @@ static inline void gen_load(DisasContext *dc, TCGv dst, TCGv addr, cpu_abort(dc->env, "Incorrect load size %d\n", size); if (exclusive) { - tcg_gen_st_tl(addr, cpu_env, offsetof(CPUMBState, res_addr)); + tcg_gen_mov_tl(env_res_addr, addr); } } @@ -1101,7 +1102,7 @@ static void gen_store(DisasContext *dc, TCGv addr, TCGv val, static void dec_store(DisasContext *dc) { - TCGv t, *addr, swx_addr, r_check; + TCGv t, *addr, swx_addr; int swx_skip = 0; unsigned int size, rev = 0, ex = 0; @@ -1125,7 +1126,6 @@ static void dec_store(DisasContext *dc) sync_jmpstate(dc); addr = compute_ldst_addr(dc, &t); - r_check = tcg_temp_new(); swx_addr = tcg_temp_local_new(); if (ex) { /* swx */ @@ -1135,10 +1135,9 @@ static void dec_store(DisasContext *dc) /* swx does not throw unaligned access errors, so force alignment */ tcg_gen_andi_tl(swx_addr, swx_addr, ~3); - tcg_gen_ld_tl(r_check, cpu_env, offsetof(CPUMBState, res_addr)); write_carryi(dc, 1); swx_skip = gen_new_label(); - tcg_gen_brcond_tl(TCG_COND_NE, r_check, swx_addr, swx_skip); + tcg_gen_brcond_tl(TCG_COND_NE, env_res_addr, swx_addr, swx_skip); write_carryi(dc, 0); } @@ -1221,7 +1220,6 @@ static void dec_store(DisasContext *dc) if (ex) { gen_set_label(swx_skip); } - tcg_temp_free(r_check); tcg_temp_free(swx_addr); if (addr == &t) @@ -2008,6 +2006,9 @@ void mb_tcg_init(void) env_btaken = tcg_global_mem_new(TCG_AREG0, offsetof(CPUMBState, btaken), "btaken"); + env_res_addr = tcg_global_mem_new(TCG_AREG0, + offsetof(CPUMBState, res_addr), + "res_addr"); for (i = 0; i < ARRAY_SIZE(cpu_R); i++) { cpu_R[i] = tcg_global_mem_new(TCG_AREG0, offsetof(CPUMBState, regs[i]), |