diff mbox series

[4/6] target/arm: Use FZ not FZ16 for SVE FCVT single-half and double-half

Message ID 20180810193129.1556-5-richard.henderson@linaro.org
State Superseded
Headers show
Series target/arm: More sve-ish fixes | expand

Commit Message

Richard Henderson Aug. 10, 2018, 7:31 p.m. UTC
We were using the wrong flush-to-zero bit for the non-half input.

Fixes: 46d33d1e3c9
Cc: qemu-stable@nongnu.org (3.0.1)
Reported-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

---
 target/arm/translate-sve.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

-- 
2.17.1

Comments

Laurent Desnogues Aug. 11, 2018, 4:23 p.m. UTC | #1
On Fri, Aug 10, 2018 at 9:31 PM, Richard Henderson
<richard.henderson@linaro.org> wrote:
> We were using the wrong flush-to-zero bit for the non-half input.

>

> Fixes: 46d33d1e3c9

> Cc: qemu-stable@nongnu.org (3.0.1)

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

> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>


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

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


Laurent

> ---

>  target/arm/translate-sve.c | 4 ++--

>  1 file changed, 2 insertions(+), 2 deletions(-)

>

> diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c

> index 05ba0518c8..fe7aebdc19 100644

> --- a/target/arm/translate-sve.c

> +++ b/target/arm/translate-sve.c

> @@ -4093,7 +4093,7 @@ static bool do_zpz_ptr(DisasContext *s, int rd, int rn, int pg,

>

>  static bool trans_FCVT_sh(DisasContext *s, arg_rpr_esz *a, uint32_t insn)

>  {

> -    return do_zpz_ptr(s, a->rd, a->rn, a->pg, true, gen_helper_sve_fcvt_sh);

> +    return do_zpz_ptr(s, a->rd, a->rn, a->pg, false, gen_helper_sve_fcvt_sh);

>  }

>

>  static bool trans_FCVT_hs(DisasContext *s, arg_rpr_esz *a, uint32_t insn)

> @@ -4103,7 +4103,7 @@ static bool trans_FCVT_hs(DisasContext *s, arg_rpr_esz *a, uint32_t insn)

>

>  static bool trans_FCVT_dh(DisasContext *s, arg_rpr_esz *a, uint32_t insn)

>  {

> -    return do_zpz_ptr(s, a->rd, a->rn, a->pg, true, gen_helper_sve_fcvt_dh);

> +    return do_zpz_ptr(s, a->rd, a->rn, a->pg, false, gen_helper_sve_fcvt_dh);

>  }

>

>  static bool trans_FCVT_hd(DisasContext *s, arg_rpr_esz *a, uint32_t insn)

> --

> 2.17.1

>
diff mbox series

Patch

diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c
index 05ba0518c8..fe7aebdc19 100644
--- a/target/arm/translate-sve.c
+++ b/target/arm/translate-sve.c
@@ -4093,7 +4093,7 @@  static bool do_zpz_ptr(DisasContext *s, int rd, int rn, int pg,
 
 static bool trans_FCVT_sh(DisasContext *s, arg_rpr_esz *a, uint32_t insn)
 {
-    return do_zpz_ptr(s, a->rd, a->rn, a->pg, true, gen_helper_sve_fcvt_sh);
+    return do_zpz_ptr(s, a->rd, a->rn, a->pg, false, gen_helper_sve_fcvt_sh);
 }
 
 static bool trans_FCVT_hs(DisasContext *s, arg_rpr_esz *a, uint32_t insn)
@@ -4103,7 +4103,7 @@  static bool trans_FCVT_hs(DisasContext *s, arg_rpr_esz *a, uint32_t insn)
 
 static bool trans_FCVT_dh(DisasContext *s, arg_rpr_esz *a, uint32_t insn)
 {
-    return do_zpz_ptr(s, a->rd, a->rn, a->pg, true, gen_helper_sve_fcvt_dh);
+    return do_zpz_ptr(s, a->rd, a->rn, a->pg, false, gen_helper_sve_fcvt_dh);
 }
 
 static bool trans_FCVT_hd(DisasContext *s, arg_rpr_esz *a, uint32_t insn)