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author | Richard Henderson <richard.henderson@linaro.org> | 2023-10-04 13:38:18 -0700 |
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committer | Richard Henderson <richard.henderson@linaro.org> | 2023-10-25 01:01:13 -0700 |
commit | 9d4e2bc76137299aef88d7398c3af6b688d299fa (patch) | |
tree | 289e554b9549c27d9b57b324ecdf27938783391c | |
parent | 6b3e4cc685a6582fe555d6207d563ee972c966b3 (diff) | |
download | qemu-9d4e2bc76137299aef88d7398c3af6b688d299fa.zip qemu-9d4e2bc76137299aef88d7398c3af6b688d299fa.tar.gz qemu-9d4e2bc76137299aef88d7398c3af6b688d299fa.tar.bz2 |
target/sparc: Pass DisasCompare to advance_jump_cond
Fold the condition into the branch or movcond when possible.
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
-rw-r--r-- | target/sparc/translate.c | 31 |
1 files changed, 13 insertions, 18 deletions
diff --git a/target/sparc/translate.c b/target/sparc/translate.c index 503598e..d12f2b4 100644 --- a/target/sparc/translate.c +++ b/target/sparc/translate.c @@ -2899,14 +2899,15 @@ static bool advance_jump_uncond_always(DisasContext *dc, bool annul, return true; } -static bool advance_jump_cond(DisasContext *dc, bool annul, target_ulong dest) +static bool advance_jump_cond(DisasContext *dc, DisasCompare *cmp, + bool annul, target_ulong dest) { target_ulong npc = dc->npc; if (annul) { TCGLabel *l1 = gen_new_label(); - tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_cond, 0, l1); + tcg_gen_brcond_tl(tcg_invert_cond(cmp->cond), cmp->c1, cmp->c2, l1); gen_goto_tb(dc, 0, npc, dest); gen_set_label(l1); gen_goto_tb(dc, 1, npc + 4, npc + 8); @@ -2919,8 +2920,8 @@ static bool advance_jump_cond(DisasContext *dc, bool annul, target_ulong dest) case DYNAMIC_PC_LOOKUP: tcg_gen_mov_tl(cpu_pc, cpu_npc); tcg_gen_addi_tl(cpu_npc, cpu_npc, 4); - tcg_gen_movcond_tl(TCG_COND_NE, cpu_npc, - cpu_cond, tcg_constant_tl(0), + tcg_gen_movcond_tl(cmp->cond, cpu_npc, + cmp->c1, cmp->c2, tcg_constant_tl(dest), cpu_npc); dc->pc = npc; break; @@ -2932,6 +2933,11 @@ static bool advance_jump_cond(DisasContext *dc, bool annul, target_ulong dest) dc->jump_pc[0] = dest; dc->jump_pc[1] = npc + 4; dc->npc = JUMP_PC; + if (cmp->is_bool) { + tcg_gen_mov_tl(cpu_cond, cmp->c1); + } else { + tcg_gen_setcond_tl(cmp->cond, cpu_cond, cmp->c1, cmp->c2); + } } } return true; @@ -2951,12 +2957,7 @@ static bool do_bpcc(DisasContext *dc, arg_bcc *a) flush_cond(dc); gen_compare(&cmp, a->cc, a->cond, dc); - if (cmp.is_bool) { - tcg_gen_mov_tl(cpu_cond, cmp.c1); - } else { - tcg_gen_setcond_tl(cmp.cond, cpu_cond, cmp.c1, cmp.c2); - } - return advance_jump_cond(dc, a->a, target); + return advance_jump_cond(dc, &cmp, a->a, target); } } @@ -2980,12 +2981,7 @@ static bool do_fbpfcc(DisasContext *dc, arg_bcc *a) flush_cond(dc); gen_fcompare(&cmp, a->cc, a->cond); - if (cmp.is_bool) { - tcg_gen_mov_tl(cpu_cond, cmp.c1); - } else { - tcg_gen_setcond_tl(cmp.cond, cpu_cond, cmp.c1, cmp.c2); - } - return advance_jump_cond(dc, a->a, target); + return advance_jump_cond(dc, &cmp, a->a, target); } } @@ -3006,8 +3002,7 @@ static bool trans_BPr(DisasContext *dc, arg_BPr *a) flush_cond(dc); gen_compare_reg(&cmp, a->cond, gen_load_gpr(dc, a->rs1)); - tcg_gen_setcond_tl(cmp.cond, cpu_cond, cmp.c1, cmp.c2); - return advance_jump_cond(dc, a->a, target); + return advance_jump_cond(dc, &cmp, a->a, target); } static bool trans_CALL(DisasContext *dc, arg_CALL *a) |