diff options
Diffstat (limited to 'target/hppa/translate.c')
-rw-r--r-- | target/hppa/translate.c | 43 |
1 files changed, 9 insertions, 34 deletions
diff --git a/target/hppa/translate.c b/target/hppa/translate.c index fa668072d0..2552747138 100644 --- a/target/hppa/translate.c +++ b/target/hppa/translate.c @@ -252,8 +252,6 @@ typedef struct DisasCond { TCGCond c; TCGv_reg a0, a1; - bool a0_is_n; - bool a1_is_0; } DisasCond; typedef struct DisasContext { @@ -448,9 +446,7 @@ static DisasCond cond_make_n(void) return (DisasCond){ .c = TCG_COND_NE, .a0 = cpu_psw_n, - .a0_is_n = true, - .a1 = NULL, - .a1_is_0 = true + .a1 = tcg_constant_reg(0) }; } @@ -458,7 +454,7 @@ static DisasCond cond_make_0_tmp(TCGCond c, TCGv_reg a0) { assert (c != TCG_COND_NEVER && c != TCG_COND_ALWAYS); return (DisasCond){ - .c = c, .a0 = a0, .a1_is_0 = true + .c = c, .a0 = a0, .a1 = tcg_constant_reg(0) }; } @@ -482,26 +478,14 @@ static DisasCond cond_make(TCGCond c, TCGv_reg a0, TCGv_reg a1) return r; } -static void cond_prep(DisasCond *cond) -{ - if (cond->a1_is_0) { - cond->a1_is_0 = false; - cond->a1 = tcg_const_reg(0); - } -} - static void cond_free(DisasCond *cond) { switch (cond->c) { default: - if (!cond->a0_is_n) { + if (cond->a0 != cpu_psw_n) { tcg_temp_free(cond->a0); } - if (!cond->a1_is_0) { - tcg_temp_free(cond->a1); - } - cond->a0_is_n = false; - cond->a1_is_0 = false; + tcg_temp_free(cond->a1); cond->a0 = NULL; cond->a1 = NULL; /* fallthru */ @@ -559,9 +543,8 @@ static TCGv_reg dest_gpr(DisasContext *ctx, unsigned reg) static void save_or_nullify(DisasContext *ctx, TCGv_reg dest, TCGv_reg t) { if (ctx->null_cond.c != TCG_COND_NEVER) { - cond_prep(&ctx->null_cond); tcg_gen_movcond_reg(ctx->null_cond.c, dest, ctx->null_cond.a0, - ctx->null_cond.a1, dest, t); + ctx->null_cond.a1, dest, t); } else { tcg_gen_mov_reg(dest, t); } @@ -668,11 +651,9 @@ static void nullify_over(DisasContext *ctx) assert(ctx->null_cond.c != TCG_COND_ALWAYS); ctx->null_lab = gen_new_label(); - cond_prep(&ctx->null_cond); /* If we're using PSW[N], copy it to a temp because... */ - if (ctx->null_cond.a0_is_n) { - ctx->null_cond.a0_is_n = false; + if (ctx->null_cond.a0 == cpu_psw_n) { ctx->null_cond.a0 = tcg_temp_new(); tcg_gen_mov_reg(ctx->null_cond.a0, cpu_psw_n); } @@ -685,7 +666,7 @@ static void nullify_over(DisasContext *ctx) } tcg_gen_brcond_reg(ctx->null_cond.c, ctx->null_cond.a0, - ctx->null_cond.a1, ctx->null_lab); + ctx->null_cond.a1, ctx->null_lab); cond_free(&ctx->null_cond); } } @@ -699,10 +680,9 @@ static void nullify_save(DisasContext *ctx) } return; } - if (!ctx->null_cond.a0_is_n) { - cond_prep(&ctx->null_cond); + if (ctx->null_cond.a0 != cpu_psw_n) { tcg_gen_setcond_reg(ctx->null_cond.c, cpu_psw_n, - ctx->null_cond.a0, ctx->null_cond.a1); + ctx->null_cond.a0, ctx->null_cond.a1); ctx->psw_n_nonzero = true; } cond_free(&ctx->null_cond); @@ -1178,7 +1158,6 @@ static void do_add(DisasContext *ctx, unsigned rt, TCGv_reg in1, /* Emit any conditional trap before any writeback. */ cond = do_cond(cf, dest, cb_msb, sv); if (is_tc) { - cond_prep(&cond); tmp = tcg_temp_new(); tcg_gen_setcond_reg(cond.c, tmp, cond.a0, cond.a1); gen_helper_tcond(cpu_env, tmp); @@ -1273,7 +1252,6 @@ static void do_sub(DisasContext *ctx, unsigned rt, TCGv_reg in1, /* Emit any conditional trap before any writeback. */ if (is_tc) { - cond_prep(&cond); tmp = tcg_temp_new(); tcg_gen_setcond_reg(cond.c, tmp, cond.a0, cond.a1); gen_helper_tcond(cpu_env, tmp); @@ -1399,7 +1377,6 @@ static void do_unit(DisasContext *ctx, unsigned rt, TCGv_reg in1, if (is_tc) { TCGv_reg tmp = tcg_temp_new(); - cond_prep(&cond); tcg_gen_setcond_reg(cond.c, tmp, cond.a0, cond.a1); gen_helper_tcond(cpu_env, tmp); tcg_temp_free(tmp); @@ -1855,7 +1832,6 @@ static bool do_cbranch(DisasContext *ctx, target_sreg disp, bool is_n, } taken = gen_new_label(); - cond_prep(cond); tcg_gen_brcond_reg(c, cond->a0, cond->a1, taken); cond_free(cond); @@ -1952,7 +1928,6 @@ static bool do_ibranch(DisasContext *ctx, TCGv_reg dest, tcg_gen_lookup_and_goto_ptr(); return nullify_end(ctx); } else { - cond_prep(&ctx->null_cond); c = ctx->null_cond.c; a0 = ctx->null_cond.a0; a1 = ctx->null_cond.a1; |