diff mbox series

[1/4] target/arm: Fix sign of sve_cmpeq_ppzw/sve_cmpne_ppzw

Message ID 20180801123111.3595-2-richard.henderson@linaro.org
State New
Headers show
Series target/arm sve fixes | expand

Commit Message

Richard Henderson Aug. 1, 2018, 12:31 p.m. UTC
The normal vector element is sign-extended before
comparing with the wide vector element.

Reported-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/arm/sve_helper.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

Comments

Laurent Desnogues Aug. 1, 2018, 1:28 p.m. UTC | #1
On Wed, Aug 1, 2018 at 2:31 PM, Richard Henderson
<richard.henderson@linaro.org> wrote:
> The normal vector element is sign-extended before
> comparing with the wide vector element.
>
> Reported-by: Laurent Desnogues <laurent.desnogues@gmail.com>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

Reviewed-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Tested-by: Laurent Desnogues <laurent.desnogues@gmail.com>


Laurent

> ---
>  target/arm/sve_helper.c | 12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/target/arm/sve_helper.c b/target/arm/sve_helper.c
> index 54795c9194..9bd0694d55 100644
> --- a/target/arm/sve_helper.c
> +++ b/target/arm/sve_helper.c
> @@ -2436,13 +2436,13 @@ uint32_t HELPER(NAME)(void *vd, void *vn, void *vm, void *vg, uint32_t desc) \
>  #define DO_CMP_PPZW_S(NAME, TYPE, TYPEW, OP) \
>      DO_CMP_PPZW(NAME, TYPE, TYPEW, OP, H1_4, 0x1111111111111111ull)
>
> -DO_CMP_PPZW_B(sve_cmpeq_ppzw_b, uint8_t,  uint64_t, ==)
> -DO_CMP_PPZW_H(sve_cmpeq_ppzw_h, uint16_t, uint64_t, ==)
> -DO_CMP_PPZW_S(sve_cmpeq_ppzw_s, uint32_t, uint64_t, ==)
> +DO_CMP_PPZW_B(sve_cmpeq_ppzw_b, int8_t,  uint64_t, ==)
> +DO_CMP_PPZW_H(sve_cmpeq_ppzw_h, int16_t, uint64_t, ==)
> +DO_CMP_PPZW_S(sve_cmpeq_ppzw_s, int32_t, uint64_t, ==)
>
> -DO_CMP_PPZW_B(sve_cmpne_ppzw_b, uint8_t,  uint64_t, !=)
> -DO_CMP_PPZW_H(sve_cmpne_ppzw_h, uint16_t, uint64_t, !=)
> -DO_CMP_PPZW_S(sve_cmpne_ppzw_s, uint32_t, uint64_t, !=)
> +DO_CMP_PPZW_B(sve_cmpne_ppzw_b, int8_t,  uint64_t, !=)
> +DO_CMP_PPZW_H(sve_cmpne_ppzw_h, int16_t, uint64_t, !=)
> +DO_CMP_PPZW_S(sve_cmpne_ppzw_s, int32_t, uint64_t, !=)
>
>  DO_CMP_PPZW_B(sve_cmpgt_ppzw_b, int8_t,   int64_t, >)
>  DO_CMP_PPZW_H(sve_cmpgt_ppzw_h, int16_t,  int64_t, >)
> --
> 2.17.1
>
Alex Bennée Aug. 1, 2018, 1:45 p.m. UTC | #2
Richard Henderson <richard.henderson@linaro.org> writes:

> The normal vector element is sign-extended before
> comparing with the wide vector element.
>
> Reported-by: Laurent Desnogues <laurent.desnogues@gmail.com>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>

> ---
>  target/arm/sve_helper.c | 12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/target/arm/sve_helper.c b/target/arm/sve_helper.c
> index 54795c9194..9bd0694d55 100644
> --- a/target/arm/sve_helper.c
> +++ b/target/arm/sve_helper.c
> @@ -2436,13 +2436,13 @@ uint32_t HELPER(NAME)(void *vd, void *vn, void *vm, void *vg, uint32_t desc) \
>  #define DO_CMP_PPZW_S(NAME, TYPE, TYPEW, OP) \
>      DO_CMP_PPZW(NAME, TYPE, TYPEW, OP, H1_4, 0x1111111111111111ull)
>
> -DO_CMP_PPZW_B(sve_cmpeq_ppzw_b, uint8_t,  uint64_t, ==)
> -DO_CMP_PPZW_H(sve_cmpeq_ppzw_h, uint16_t, uint64_t, ==)
> -DO_CMP_PPZW_S(sve_cmpeq_ppzw_s, uint32_t, uint64_t, ==)
> +DO_CMP_PPZW_B(sve_cmpeq_ppzw_b, int8_t,  uint64_t, ==)
> +DO_CMP_PPZW_H(sve_cmpeq_ppzw_h, int16_t, uint64_t, ==)
> +DO_CMP_PPZW_S(sve_cmpeq_ppzw_s, int32_t, uint64_t, ==)
>
> -DO_CMP_PPZW_B(sve_cmpne_ppzw_b, uint8_t,  uint64_t, !=)
> -DO_CMP_PPZW_H(sve_cmpne_ppzw_h, uint16_t, uint64_t, !=)
> -DO_CMP_PPZW_S(sve_cmpne_ppzw_s, uint32_t, uint64_t, !=)
> +DO_CMP_PPZW_B(sve_cmpne_ppzw_b, int8_t,  uint64_t, !=)
> +DO_CMP_PPZW_H(sve_cmpne_ppzw_h, int16_t, uint64_t, !=)
> +DO_CMP_PPZW_S(sve_cmpne_ppzw_s, int32_t, uint64_t, !=)
>
>  DO_CMP_PPZW_B(sve_cmpgt_ppzw_b, int8_t,   int64_t, >)
>  DO_CMP_PPZW_H(sve_cmpgt_ppzw_h, int16_t,  int64_t, >)


--
Alex Bennée
diff mbox series

Patch

diff --git a/target/arm/sve_helper.c b/target/arm/sve_helper.c
index 54795c9194..9bd0694d55 100644
--- a/target/arm/sve_helper.c
+++ b/target/arm/sve_helper.c
@@ -2436,13 +2436,13 @@  uint32_t HELPER(NAME)(void *vd, void *vn, void *vm, void *vg, uint32_t desc) \
 #define DO_CMP_PPZW_S(NAME, TYPE, TYPEW, OP) \
     DO_CMP_PPZW(NAME, TYPE, TYPEW, OP, H1_4, 0x1111111111111111ull)
 
-DO_CMP_PPZW_B(sve_cmpeq_ppzw_b, uint8_t,  uint64_t, ==)
-DO_CMP_PPZW_H(sve_cmpeq_ppzw_h, uint16_t, uint64_t, ==)
-DO_CMP_PPZW_S(sve_cmpeq_ppzw_s, uint32_t, uint64_t, ==)
+DO_CMP_PPZW_B(sve_cmpeq_ppzw_b, int8_t,  uint64_t, ==)
+DO_CMP_PPZW_H(sve_cmpeq_ppzw_h, int16_t, uint64_t, ==)
+DO_CMP_PPZW_S(sve_cmpeq_ppzw_s, int32_t, uint64_t, ==)
 
-DO_CMP_PPZW_B(sve_cmpne_ppzw_b, uint8_t,  uint64_t, !=)
-DO_CMP_PPZW_H(sve_cmpne_ppzw_h, uint16_t, uint64_t, !=)
-DO_CMP_PPZW_S(sve_cmpne_ppzw_s, uint32_t, uint64_t, !=)
+DO_CMP_PPZW_B(sve_cmpne_ppzw_b, int8_t,  uint64_t, !=)
+DO_CMP_PPZW_H(sve_cmpne_ppzw_h, int16_t, uint64_t, !=)
+DO_CMP_PPZW_S(sve_cmpne_ppzw_s, int32_t, uint64_t, !=)
 
 DO_CMP_PPZW_B(sve_cmpgt_ppzw_b, int8_t,   int64_t, >)
 DO_CMP_PPZW_H(sve_cmpgt_ppzw_h, int16_t,  int64_t, >)