[Qemu-devel] [PATCH v3 02/15] target/ppc: remove getVSR()/putVSR() from mem_helper.c

Mark Cave-Ayland posted 15 patches 6 years, 7 months ago
Maintainers: David Gibson <david@gibson.dropbear.id.au>
[Qemu-devel] [PATCH v3 02/15] target/ppc: remove getVSR()/putVSR() from mem_helper.c
Posted by Mark Cave-Ayland 6 years, 7 months ago
Since commit 8a14d31b00 "target/ppc: switch fpr/vsrl registers so all VSX
registers are in host endian order" functions getVSR() and putVSR() which used
to convert the VSR registers into host endian order are no longer required.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
---
 target/ppc/mem_helper.c | 23 ++++++++++++-----------
 1 file changed, 12 insertions(+), 11 deletions(-)

diff --git a/target/ppc/mem_helper.c b/target/ppc/mem_helper.c
index 5b0f9ee50d..87632ccf53 100644
--- a/target/ppc/mem_helper.c
+++ b/target/ppc/mem_helper.c
@@ -417,26 +417,27 @@ STVE(stvewx, cpu_stl_data_ra, bswap32, u32)
 void helper_##name(CPUPPCState *env, target_ulong addr,                 \
                    target_ulong xt_num, target_ulong rb)                \
 {                                                                       \
-    int i;                                                              \
-    ppc_vsr_t xt;                                                       \
+    ppc_vsr_t *xt = &env->vsr[xt_num];                                  \
+    ppc_vsr_t t;                                                        \
     uint64_t nb = GET_NB(rb);                                           \
+    int i;                                                              \
                                                                         \
-    xt.s128 = int128_zero();                                            \
+    t.s128 = int128_zero();                                             \
     if (nb) {                                                           \
         nb = (nb >= 16) ? 16 : nb;                                      \
         if (msr_le && !lj) {                                            \
             for (i = 16; i > 16 - nb; i--) {                            \
-                xt.VsrB(i - 1) = cpu_ldub_data_ra(env, addr, GETPC());  \
+                t.VsrB(i - 1) = cpu_ldub_data_ra(env, addr, GETPC());   \
                 addr = addr_add(env, addr, 1);                          \
             }                                                           \
         } else {                                                        \
             for (i = 0; i < nb; i++) {                                  \
-                xt.VsrB(i) = cpu_ldub_data_ra(env, addr, GETPC());      \
+                t.VsrB(i) = cpu_ldub_data_ra(env, addr, GETPC());       \
                 addr = addr_add(env, addr, 1);                          \
             }                                                           \
         }                                                               \
     }                                                                   \
-    putVSR(xt_num, &xt, env);                                           \
+    *xt = t;                                                            \
 }
 
 VSX_LXVL(lxvl, 0)
@@ -447,23 +448,23 @@ VSX_LXVL(lxvll, 1)
 void helper_##name(CPUPPCState *env, target_ulong addr,           \
                    target_ulong xt_num, target_ulong rb)          \
 {                                                                 \
-    int i;                                                        \
-    ppc_vsr_t xt;                                                 \
+    ppc_vsr_t *xt = &env->vsr[xt_num];                            \
     target_ulong nb = GET_NB(rb);                                 \
+    int i;                                                        \
                                                                   \
     if (!nb) {                                                    \
         return;                                                   \
     }                                                             \
-    getVSR(xt_num, &xt, env);                                     \
+                                                                  \
     nb = (nb >= 16) ? 16 : nb;                                    \
     if (msr_le && !lj) {                                          \
         for (i = 16; i > 16 - nb; i--) {                          \
-            cpu_stb_data_ra(env, addr, xt.VsrB(i - 1), GETPC());  \
+            cpu_stb_data_ra(env, addr, xt->VsrB(i - 1), GETPC()); \
             addr = addr_add(env, addr, 1);                        \
         }                                                         \
     } else {                                                      \
         for (i = 0; i < nb; i++) {                                \
-            cpu_stb_data_ra(env, addr, xt.VsrB(i), GETPC());      \
+            cpu_stb_data_ra(env, addr, xt->VsrB(i), GETPC());     \
             addr = addr_add(env, addr, 1);                        \
         }                                                         \
     }                                                             \
-- 
2.11.0


Re: [Qemu-devel] [PATCH v3 02/15] target/ppc: remove getVSR()/putVSR() from mem_helper.c
Posted by Richard Henderson 6 years, 7 months ago
On 6/16/19 5:37 AM, Mark Cave-Ayland wrote:
> Since commit 8a14d31b00 "target/ppc: switch fpr/vsrl registers so all VSX
> registers are in host endian order" functions getVSR() and putVSR() which used
> to convert the VSR registers into host endian order are no longer required.
> 
> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
> ---
>  target/ppc/mem_helper.c | 23 ++++++++++++-----------
>  1 file changed, 12 insertions(+), 11 deletions(-)

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


r~