All of lore.kernel.org
 help / color / mirror / Atom feed
* [PATCH] target/hexagon: remove unused variable
@ 2022-01-24  6:43 Zongyuan Li
  2022-01-24 20:11 ` Taylor Simpson
  2022-02-02  6:17 ` Thomas Huth
  0 siblings, 2 replies; 3+ messages in thread
From: Zongyuan Li @ 2022-01-24  6:43 UTC (permalink / raw)
  To: qemu-devel; +Cc: Taylor Simpson, Zongyuan Li

When building with clang version 13.0.0 (eg. Fedora 13.0.0-3.fc35),
two unused variables introduced by macro GATHER_FUNCTION and
SCATTER_FUNCTION will cause building process failure due to
[-Werror -Wunused-variable].

Signed-off-by: Zongyuan Li <zongyuan.li@smartx.com>
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/831
---
 target/hexagon/mmvec/macros.h | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/target/hexagon/mmvec/macros.h b/target/hexagon/mmvec/macros.h
index 10f4630364..44781cfb4a 100644
--- a/target/hexagon/mmvec/macros.h
+++ b/target/hexagon/mmvec/macros.h
@@ -164,11 +164,9 @@
         target_ulong va = EA; \
         target_ulong va_high = EA + LEN; \
         uintptr_t ra = GETPC(); \
-        int log_bank = 0; \
         int log_byte = 0; \
         for (i0 = 0; i0 < ELEMENT_SIZE; i0++) { \
             log_byte = ((va + i0) <= va_high) && QVAL; \
-            log_bank |= (log_byte << i0); \
             uint8_t B; \
             B = cpu_ldub_data_ra(env, EA + i0, ra); \
             env->tmp_VRegs[0].ub[ELEMENT_SIZE * IDX + i0] = B; \
@@ -243,11 +241,9 @@
         int i0; \
         target_ulong va = EA; \
         target_ulong va_high = EA + LEN; \
-        int log_bank = 0; \
         int log_byte = 0; \
         for (i0 = 0; i0 < ELEM_SIZE; i0++) { \
             log_byte = ((va + i0) <= va_high) && QVAL; \
-            log_bank |= (log_byte << i0); \
             LOG_VTCM_BYTE(va + i0, log_byte, IN.ub[ELEM_SIZE * IDX + i0], \
                           ELEM_SIZE * IDX + i0); \
         } \
-- 
2.34.1



^ permalink raw reply related	[flat|nested] 3+ messages in thread

* RE: [PATCH] target/hexagon: remove unused variable
  2022-01-24  6:43 [PATCH] target/hexagon: remove unused variable Zongyuan Li
@ 2022-01-24 20:11 ` Taylor Simpson
  2022-02-02  6:17 ` Thomas Huth
  1 sibling, 0 replies; 3+ messages in thread
From: Taylor Simpson @ 2022-01-24 20:11 UTC (permalink / raw)
  To: Zongyuan Li, qemu-devel



> -----Original Message-----
> From: Zongyuan Li <zongyuan.li@smartx.com>
> Sent: Monday, January 24, 2022 12:44 AM
> To: qemu-devel@nongnu.org
> Cc: Zongyuan Li <zongyuan.li@smartx.com>; Taylor Simpson
> <tsimpson@quicinc.com>
> Subject: [PATCH] target/hexagon: remove unused variable
> 
> When building with clang version 13.0.0 (eg. Fedora 13.0.0-3.fc35), two
> unused variables introduced by macro GATHER_FUNCTION and
> SCATTER_FUNCTION will cause building process failure due to [-Werror -
> Wunused-variable].
> 
> Signed-off-by: Zongyuan Li <zongyuan.li@smartx.com>
> Resolves: https://gitlab.com/qemu-project/qemu/-/issues/831
> ---
>  target/hexagon/mmvec/macros.h | 4 ----
>  1 file changed, 4 deletions(-)
> 
> diff --git a/target/hexagon/mmvec/macros.h
> b/target/hexagon/mmvec/macros.h index 10f4630364..44781cfb4a 100644
> --- a/target/hexagon/mmvec/macros.h
> +++ b/target/hexagon/mmvec/macros.h
> @@ -164,11 +164,9 @@
>          target_ulong va = EA; \
>          target_ulong va_high = EA + LEN; \
>          uintptr_t ra = GETPC(); \
> -        int log_bank = 0; \
>          int log_byte = 0; \
>          for (i0 = 0; i0 < ELEMENT_SIZE; i0++) { \
>              log_byte = ((va + i0) <= va_high) && QVAL; \
> -            log_bank |= (log_byte << i0); \
>              uint8_t B; \
>              B = cpu_ldub_data_ra(env, EA + i0, ra); \
>              env->tmp_VRegs[0].ub[ELEMENT_SIZE * IDX + i0] = B; \ @@ -243,11
> +241,9 @@
>          int i0; \
>          target_ulong va = EA; \
>          target_ulong va_high = EA + LEN; \
> -        int log_bank = 0; \
>          int log_byte = 0; \
>          for (i0 = 0; i0 < ELEM_SIZE; i0++) { \
>              log_byte = ((va + i0) <= va_high) && QVAL; \
> -            log_bank |= (log_byte << i0); \
>              LOG_VTCM_BYTE(va + i0, log_byte, IN.ub[ELEM_SIZE * IDX + i0], \
>                            ELEM_SIZE * IDX + i0); \
>          } \
> --
> 2.34.1

Reviewed-by: Taylor Simpson <tsimpson@quicinc.com>




^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] target/hexagon: remove unused variable
  2022-01-24  6:43 [PATCH] target/hexagon: remove unused variable Zongyuan Li
  2022-01-24 20:11 ` Taylor Simpson
@ 2022-02-02  6:17 ` Thomas Huth
  1 sibling, 0 replies; 3+ messages in thread
From: Thomas Huth @ 2022-02-02  6:17 UTC (permalink / raw)
  To: Zongyuan Li, qemu-devel, QEMU Trivial; +Cc: Taylor Simpson

On 24/01/2022 07.43, Zongyuan Li wrote:
> When building with clang version 13.0.0 (eg. Fedora 13.0.0-3.fc35),
> two unused variables introduced by macro GATHER_FUNCTION and
> SCATTER_FUNCTION will cause building process failure due to
> [-Werror -Wunused-variable].
> 
> Signed-off-by: Zongyuan Li <zongyuan.li@smartx.com>
> Resolves: https://gitlab.com/qemu-project/qemu/-/issues/831
> ---
>   target/hexagon/mmvec/macros.h | 4 ----
>   1 file changed, 4 deletions(-)
> 
> diff --git a/target/hexagon/mmvec/macros.h b/target/hexagon/mmvec/macros.h
> index 10f4630364..44781cfb4a 100644
> --- a/target/hexagon/mmvec/macros.h
> +++ b/target/hexagon/mmvec/macros.h
> @@ -164,11 +164,9 @@
>           target_ulong va = EA; \
>           target_ulong va_high = EA + LEN; \
>           uintptr_t ra = GETPC(); \
> -        int log_bank = 0; \
>           int log_byte = 0; \
>           for (i0 = 0; i0 < ELEMENT_SIZE; i0++) { \
>               log_byte = ((va + i0) <= va_high) && QVAL; \
> -            log_bank |= (log_byte << i0); \
>               uint8_t B; \
>               B = cpu_ldub_data_ra(env, EA + i0, ra); \
>               env->tmp_VRegs[0].ub[ELEMENT_SIZE * IDX + i0] = B; \
> @@ -243,11 +241,9 @@
>           int i0; \
>           target_ulong va = EA; \
>           target_ulong va_high = EA + LEN; \
> -        int log_bank = 0; \
>           int log_byte = 0; \
>           for (i0 = 0; i0 < ELEM_SIZE; i0++) { \
>               log_byte = ((va + i0) <= va_high) && QVAL; \
> -            log_bank |= (log_byte << i0); \
>               LOG_VTCM_BYTE(va + i0, log_byte, IN.ub[ELEM_SIZE * IDX + i0], \
>                             ELEM_SIZE * IDX + i0); \
>           } \

Reviewed-by: Thomas Huth <thuth@redhat.com>



^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2022-02-02  6:22 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-01-24  6:43 [PATCH] target/hexagon: remove unused variable Zongyuan Li
2022-01-24 20:11 ` Taylor Simpson
2022-02-02  6:17 ` Thomas Huth

This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.