| Message ID | 20240303021925.116609-3-richard.henderson@linaro.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | target/hppa: Fix some wide mode displacements | expand |
On 3/3/24 03:19, Richard Henderson wrote: > Reported-by: Sven Schnelle <svens@stackframe.org> > Signed-off-by: Richard Henderson <richard.henderson@linaro.org> > --- > target/hppa/insns.decode | 7 ++++--- > target/hppa/translate.c | 23 +++++++++++++++++------ > 2 files changed, 21 insertions(+), 9 deletions(-) > > diff --git a/target/hppa/insns.decode b/target/hppa/insns.decode > index 0d9f8159ec..9c6f92444c 100644 > --- a/target/hppa/insns.decode > +++ b/target/hppa/insns.decode > @@ -24,7 +24,7 @@ > %assemble_sr3 13:1 14:2 > %assemble_sr3x 13:1 14:2 !function=expand_sr3x > > -%assemble_11a 0:s1 4:10 !function=expand_shl3 > +%assemble_11a 4:12 0:1 !function=expand_11a > %assemble_12 0:s1 2:1 3:10 !function=expand_shl2 > %assemble_12a 0:s1 3:11 !function=expand_shl2 > %assemble_16 0:16 !function=expand_16 > @@ -305,8 +305,9 @@ fstd 001011 ..... ..... .. . 1 -- 100 0 . ..... @fldstdi > # Offset Mem > #### > > -@ldstim11 ...... b:5 t:5 sp:2 .............. \ > - &ldst disp=%assemble_11a m=%ma2_to_m x=0 scale=0 size=3 > +@ldstim11 ...... b:5 t:5 ................ \ > + &ldst sp=%assemble_sp disp=%assemble_11a \ > + m=%ma2_to_m x=0 scale=0 size=3 > @ldstim14 ...... b:5 t:5 ................ \ > &ldst sp=%assemble_sp disp=%assemble_16 \ > x=0 scale=0 m=0 > diff --git a/target/hppa/translate.c b/target/hppa/translate.c > index 585d836959..6dcc74e681 100644 > --- a/target/hppa/translate.c > +++ b/target/hppa/translate.c > @@ -121,12 +121,6 @@ static int expand_shl2(DisasContext *ctx, int val) > return val << 2; > } > > -/* Used for fp memory ops. */ > -static int expand_shl3(DisasContext *ctx, int val) > -{ > - return val << 3; > -} > - > /* Used for assemble_21. */ > static int expand_shl11(DisasContext *ctx, int val) > { > @@ -144,6 +138,23 @@ static int assemble_6(DisasContext *ctx, int val) > return (val ^ 31) + 1; > } > > +/* Expander for assemble_16a(s,cat(im10a,0),i). */ Typo above, should be assemble_11a(). Otherwise: Tested-by: Helge Deller <deller@gmx.de> Reviewed-by: Helge Deller <deller@gmx.de> > +static int expand_11a(DisasContext *ctx, int val) > +{ > + /* > + * @val is bit 0 and bits [4:15]. > + * Swizzle thing around depending on PSW.W. > + */ > + int im10a = extract32(val, 1, 10); > + int sp = extract32(val, 11, 2); > + int i = (-(val & 1) << 13) | (im10a << 3); > + > + if (ctx->tb_flags & PSW_W) { > + i ^= sp << 13; > + } > + return i; > +} > + > /* Expander for assemble_16(s,im14). */ > static int expand_16(DisasContext *ctx, int val) > {
On 3/3/24 07:52, Helge Deller wrote: > On 3/3/24 03:19, Richard Henderson wrote: >> Reported-by: Sven Schnelle <svens@stackframe.org> >> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> >> --- >> target/hppa/insns.decode | 7 ++++--- >> target/hppa/translate.c | 23 +++++++++++++++++------ >> 2 files changed, 21 insertions(+), 9 deletions(-) >> >> diff --git a/target/hppa/insns.decode b/target/hppa/insns.decode >> index 0d9f8159ec..9c6f92444c 100644 >> --- a/target/hppa/insns.decode >> +++ b/target/hppa/insns.decode >> @@ -24,7 +24,7 @@ >> %assemble_sr3 13:1 14:2 >> %assemble_sr3x 13:1 14:2 !function=expand_sr3x >> >> -%assemble_11a 0:s1 4:10 !function=expand_shl3 >> +%assemble_11a 4:12 0:1 !function=expand_11a >> %assemble_12 0:s1 2:1 3:10 !function=expand_shl2 >> %assemble_12a 0:s1 3:11 !function=expand_shl2 >> %assemble_16 0:16 !function=expand_16 >> @@ -305,8 +305,9 @@ fstd 001011 ..... ..... .. . 1 -- 100 0 . ..... @fldstdi >> # Offset Mem >> #### >> >> -@ldstim11 ...... b:5 t:5 sp:2 .............. \ >> - &ldst disp=%assemble_11a m=%ma2_to_m x=0 scale=0 size=3 >> +@ldstim11 ...... b:5 t:5 ................ \ >> + &ldst sp=%assemble_sp disp=%assemble_11a \ >> + m=%ma2_to_m x=0 scale=0 size=3 >> @ldstim14 ...... b:5 t:5 ................ \ >> &ldst sp=%assemble_sp disp=%assemble_16 \ >> x=0 scale=0 m=0 >> diff --git a/target/hppa/translate.c b/target/hppa/translate.c >> index 585d836959..6dcc74e681 100644 >> --- a/target/hppa/translate.c >> +++ b/target/hppa/translate.c >> @@ -121,12 +121,6 @@ static int expand_shl2(DisasContext *ctx, int val) >> return val << 2; >> } >> >> -/* Used for fp memory ops. */ >> -static int expand_shl3(DisasContext *ctx, int val) >> -{ >> - return val << 3; >> -} >> - >> /* Used for assemble_21. */ >> static int expand_shl11(DisasContext *ctx, int val) >> { >> @@ -144,6 +138,23 @@ static int assemble_6(DisasContext *ctx, int val) >> return (val ^ 31) + 1; >> } >> >> +/* Expander for assemble_16a(s,cat(im10a,0),i). */ > > Typo above, should be assemble_11a(). ^^ Ignore that. Helge > Otherwise: > Tested-by: Helge Deller <deller@gmx.de> > Reviewed-by: Helge Deller <deller@gmx.de> > >> +static int expand_11a(DisasContext *ctx, int val) >> +{ >> + /* >> + * @val is bit 0 and bits [4:15]. >> + * Swizzle thing around depending on PSW.W. >> + */ >> + int im10a = extract32(val, 1, 10); >> + int sp = extract32(val, 11, 2); >> + int i = (-(val & 1) << 13) | (im10a << 3); >> + >> + if (ctx->tb_flags & PSW_W) { >> + i ^= sp << 13; >> + } >> + return i; >> +} >> + >> /* Expander for assemble_16(s,im14). */ >> static int expand_16(DisasContext *ctx, int val) >> { >
On 3/2/24 20:52, Helge Deller wrote: > On 3/3/24 03:19, Richard Henderson wrote: >> Reported-by: Sven Schnelle <svens@stackframe.org> >> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> >> --- >> target/hppa/insns.decode | 7 ++++--- >> target/hppa/translate.c | 23 +++++++++++++++++------ >> 2 files changed, 21 insertions(+), 9 deletions(-) >> >> diff --git a/target/hppa/insns.decode b/target/hppa/insns.decode >> index 0d9f8159ec..9c6f92444c 100644 >> --- a/target/hppa/insns.decode >> +++ b/target/hppa/insns.decode >> @@ -24,7 +24,7 @@ >> %assemble_sr3 13:1 14:2 >> %assemble_sr3x 13:1 14:2 !function=expand_sr3x >> >> -%assemble_11a 0:s1 4:10 !function=expand_shl3 >> +%assemble_11a 4:12 0:1 !function=expand_11a >> %assemble_12 0:s1 2:1 3:10 !function=expand_shl2 >> %assemble_12a 0:s1 3:11 !function=expand_shl2 >> %assemble_16 0:16 !function=expand_16 >> @@ -305,8 +305,9 @@ fstd 001011 ..... ..... .. . 1 -- 100 0 . ..... >> @fldstdi >> # Offset Mem >> #### >> >> -@ldstim11 ...... b:5 t:5 sp:2 .............. \ >> - &ldst disp=%assemble_11a m=%ma2_to_m x=0 scale=0 size=3 >> +@ldstim11 ...... b:5 t:5 ................ \ >> + &ldst sp=%assemble_sp disp=%assemble_11a \ >> + m=%ma2_to_m x=0 scale=0 size=3 >> @ldstim14 ...... b:5 t:5 ................ \ >> &ldst sp=%assemble_sp disp=%assemble_16 \ >> x=0 scale=0 m=0 >> diff --git a/target/hppa/translate.c b/target/hppa/translate.c >> index 585d836959..6dcc74e681 100644 >> --- a/target/hppa/translate.c >> +++ b/target/hppa/translate.c >> @@ -121,12 +121,6 @@ static int expand_shl2(DisasContext *ctx, int val) >> return val << 2; >> } >> >> -/* Used for fp memory ops. */ >> -static int expand_shl3(DisasContext *ctx, int val) >> -{ >> - return val << 3; >> -} >> - >> /* Used for assemble_21. */ >> static int expand_shl11(DisasContext *ctx, int val) >> { >> @@ -144,6 +138,23 @@ static int assemble_6(DisasContext *ctx, int val) >> return (val ^ 31) + 1; >> } >> >> +/* Expander for assemble_16a(s,cat(im10a,0),i). */ > > Typo above, should be assemble_11a(). No, that's the pseudocode in the manual. r~
diff --git a/target/hppa/insns.decode b/target/hppa/insns.decode index 0d9f8159ec..9c6f92444c 100644 --- a/target/hppa/insns.decode +++ b/target/hppa/insns.decode @@ -24,7 +24,7 @@ %assemble_sr3 13:1 14:2 %assemble_sr3x 13:1 14:2 !function=expand_sr3x -%assemble_11a 0:s1 4:10 !function=expand_shl3 +%assemble_11a 4:12 0:1 !function=expand_11a %assemble_12 0:s1 2:1 3:10 !function=expand_shl2 %assemble_12a 0:s1 3:11 !function=expand_shl2 %assemble_16 0:16 !function=expand_16 @@ -305,8 +305,9 @@ fstd 001011 ..... ..... .. . 1 -- 100 0 . ..... @fldstdi # Offset Mem #### -@ldstim11 ...... b:5 t:5 sp:2 .............. \ - &ldst disp=%assemble_11a m=%ma2_to_m x=0 scale=0 size=3 +@ldstim11 ...... b:5 t:5 ................ \ + &ldst sp=%assemble_sp disp=%assemble_11a \ + m=%ma2_to_m x=0 scale=0 size=3 @ldstim14 ...... b:5 t:5 ................ \ &ldst sp=%assemble_sp disp=%assemble_16 \ x=0 scale=0 m=0 diff --git a/target/hppa/translate.c b/target/hppa/translate.c index 585d836959..6dcc74e681 100644 --- a/target/hppa/translate.c +++ b/target/hppa/translate.c @@ -121,12 +121,6 @@ static int expand_shl2(DisasContext *ctx, int val) return val << 2; } -/* Used for fp memory ops. */ -static int expand_shl3(DisasContext *ctx, int val) -{ - return val << 3; -} - /* Used for assemble_21. */ static int expand_shl11(DisasContext *ctx, int val) { @@ -144,6 +138,23 @@ static int assemble_6(DisasContext *ctx, int val) return (val ^ 31) + 1; } +/* Expander for assemble_16a(s,cat(im10a,0),i). */ +static int expand_11a(DisasContext *ctx, int val) +{ + /* + * @val is bit 0 and bits [4:15]. + * Swizzle thing around depending on PSW.W. + */ + int im10a = extract32(val, 1, 10); + int sp = extract32(val, 11, 2); + int i = (-(val & 1) << 13) | (im10a << 3); + + if (ctx->tb_flags & PSW_W) { + i ^= sp << 13; + } + return i; +} + /* Expander for assemble_16(s,im14). */ static int expand_16(DisasContext *ctx, int val) {
Reported-by: Sven Schnelle <svens@stackframe.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> --- target/hppa/insns.decode | 7 ++++--- target/hppa/translate.c | 23 +++++++++++++++++------ 2 files changed, 21 insertions(+), 9 deletions(-)