motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-11 03:24:58 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

target/hppa: Decode d for cmpb instructions

Browse source 
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2023-09-16 21:56:39 -07:00
parent 84e224d422
commit e9efd4bcdc
2 changed files with 15 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

9
target/hppa/insns.decode
View file

@ -67,6 +67,7 @@
&rri_cf_d t r i cf d &rri_cf_d t r i cf d
&rrb_c_f disp n c f r1 r2 &rrb_c_f disp n c f r1 r2
&rrb_c_d_f disp n c d f r1 r2
&rib_c_f disp n c f r i &rib_c_f disp n c f r i
#### ####
@ -83,6 +84,8 @@
@rrb_cf ...... r2:5 r1:5 c:3 ........... n:1 . \ @rrb_cf ...... r2:5 r1:5 c:3 ........... n:1 . \
&rrb_c_f disp=%assemble_12 &rrb_c_f disp=%assemble_12
@rrb_cdf ...... r2:5 r1:5 c:3 ........... n:1 . \
&rrb_c_d_f disp=%assemble_12
@rib_cf ...... r:5 ..... c:3 ........... n:1 . \ @rib_cf ...... r:5 ..... c:3 ........... n:1 . \
&rib_c_f disp=%assemble_12 i=%im5_16 &rib_c_f disp=%assemble_12 i=%im5_16
@ -296,8 +299,10 @@ bb_imm 110001 p:5 r:5 c:1 1 d:1 ........... n:1 . disp=%assemble_12
movb 110010 ..... ..... ... ........... . . @rrb_cf f=0 movb 110010 ..... ..... ... ........... . . @rrb_cf f=0
movbi 110011 ..... ..... ... ........... . . @rib_cf f=0 movbi 110011 ..... ..... ... ........... . . @rib_cf f=0
cmpb 100000 ..... ..... ... ........... . . @rrb_cf f=0 cmpb 100000 ..... ..... ... ........... . . @rrb_cdf d=0 f=0
cmpb 100010 ..... ..... ... ........... . . @rrb_cf f=1 cmpb 100010 ..... ..... ... ........... . . @rrb_cdf d=0 f=1
cmpb 100111 ..... ..... ... ........... . . @rrb_cdf d=1 f=0
cmpb 101111 ..... ..... ... ........... . . @rrb_cdf d=1 f=1
cmpbi 100001 ..... ..... ... ........... . . @rib_cf f=0 cmpbi 100001 ..... ..... ... ........... . . @rib_cf f=0
cmpbi 100011 ..... ..... ... ........... . . @rib_cf f=1 cmpbi 100011 ..... ..... ... ........... . . @rib_cf f=1

12
target/hppa/translate.c
View file

@ -3091,11 +3091,10 @@ static bool trans_ldo(DisasContext *ctx, arg_ldo *a)
} }
static bool do_cmpb(DisasContext *ctx, unsigned r, TCGv_reg in1, static bool do_cmpb(DisasContext *ctx, unsigned r, TCGv_reg in1,
unsigned c, unsigned f, unsigned n, int disp) unsigned c, unsigned f, bool d, unsigned n, int disp)
{ {
TCGv_reg dest, in2, sv; TCGv_reg dest, in2, sv;
DisasCond cond; DisasCond cond;
bool d = false;
in2 = load_gpr(ctx, r); in2 = load_gpr(ctx, r);
dest = tcg_temp_new(); dest = tcg_temp_new();
@ -3113,14 +3112,19 @@ static bool do_cmpb(DisasContext *ctx, unsigned r, TCGv_reg in1,
static bool trans_cmpb(DisasContext *ctx, arg_cmpb *a) static bool trans_cmpb(DisasContext *ctx, arg_cmpb *a)
{ {
if (!ctx->is_pa20 && a->d) {
return false;
}
nullify_over(ctx); nullify_over(ctx);
return do_cmpb(ctx, a->r2, load_gpr(ctx, a->r1), a->c, a->f, a->n, a->disp); return do_cmpb(ctx, a->r2, load_gpr(ctx, a->r1),
a->c, a->f, a->d, a->n, a->disp);
} }
static bool trans_cmpbi(DisasContext *ctx, arg_cmpbi *a) static bool trans_cmpbi(DisasContext *ctx, arg_cmpbi *a)
{ {
nullify_over(ctx); nullify_over(ctx);
return do_cmpb(ctx, a->r, tcg_constant_reg(a->i), a->c, a->f, a->n, a->disp); return do_cmpb(ctx, a->r, tcg_constant_reg(a->i),
a->c, a->f, false, a->n, a->disp);
} }
static bool do_addb(DisasContext *ctx, unsigned r, TCGv_reg in1, static bool do_addb(DisasContext *ctx, unsigned r, TCGv_reg in1,