diff mbox series

[23/34] target/ppc: convert xxspltib to vector operations

Message ID 20181218063911.2112-24-richard.henderson@linaro.org
State New
Headers show
Series tcg, target/ppc vector improvements | expand

Commit Message

Richard Henderson Dec. 18, 2018, 6:39 a.m. UTC
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

---
 target/ppc/translate/vsx-impl.inc.c | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

-- 
2.17.2

Comments

David Gibson Dec. 19, 2018, 6:34 a.m. UTC | #1
On Mon, Dec 17, 2018 at 10:39:00PM -0800, Richard Henderson wrote:
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>


Acked-by: David Gibson <david@gibson.dropbear.id.au>


> ---

>  target/ppc/translate/vsx-impl.inc.c | 12 +++++-------

>  1 file changed, 5 insertions(+), 7 deletions(-)

> 

> diff --git a/target/ppc/translate/vsx-impl.inc.c b/target/ppc/translate/vsx-impl.inc.c

> index 8ab1290026..d88d6bbd74 100644

> --- a/target/ppc/translate/vsx-impl.inc.c

> +++ b/target/ppc/translate/vsx-impl.inc.c

> @@ -1356,9 +1356,10 @@ static void gen_xxspltw(DisasContext *ctx)

>  

>  static void gen_xxspltib(DisasContext *ctx)

>  {

> -    unsigned char uim8 = IMM8(ctx->opcode);

> -    TCGv_i64 vsr = tcg_temp_new_i64();

> -    if (xS(ctx->opcode) < 32) {

> +    uint8_t uim8 = IMM8(ctx->opcode);

> +    int rt = xT(ctx->opcode);

> +

> +    if (rt < 32) {

>          if (unlikely(!ctx->altivec_enabled)) {

>              gen_exception(ctx, POWERPC_EXCP_VPU);

>              return;

> @@ -1369,10 +1370,7 @@ static void gen_xxspltib(DisasContext *ctx)

>              return;

>          }

>      }

> -    tcg_gen_movi_i64(vsr, pattern(uim8));

> -    set_cpu_vsrh(xT(ctx->opcode), vsr);

> -    set_cpu_vsrl(xT(ctx->opcode), vsr);

> -    tcg_temp_free_i64(vsr);

> +    tcg_gen_gvec_dup8i(vsr_full_offset(rt), 16, 16, uim8);

>  }

>  

>  static void gen_xxsldwi(DisasContext *ctx)


-- 
David Gibson			| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you.  NOT _the_ _other_
				| _way_ _around_!
http://www.ozlabs.org/~dgibson
diff mbox series

Patch

diff --git a/target/ppc/translate/vsx-impl.inc.c b/target/ppc/translate/vsx-impl.inc.c
index 8ab1290026..d88d6bbd74 100644
--- a/target/ppc/translate/vsx-impl.inc.c
+++ b/target/ppc/translate/vsx-impl.inc.c
@@ -1356,9 +1356,10 @@  static void gen_xxspltw(DisasContext *ctx)
 
 static void gen_xxspltib(DisasContext *ctx)
 {
-    unsigned char uim8 = IMM8(ctx->opcode);
-    TCGv_i64 vsr = tcg_temp_new_i64();
-    if (xS(ctx->opcode) < 32) {
+    uint8_t uim8 = IMM8(ctx->opcode);
+    int rt = xT(ctx->opcode);
+
+    if (rt < 32) {
         if (unlikely(!ctx->altivec_enabled)) {
             gen_exception(ctx, POWERPC_EXCP_VPU);
             return;
@@ -1369,10 +1370,7 @@  static void gen_xxspltib(DisasContext *ctx)
             return;
         }
     }
-    tcg_gen_movi_i64(vsr, pattern(uim8));
-    set_cpu_vsrh(xT(ctx->opcode), vsr);
-    set_cpu_vsrl(xT(ctx->opcode), vsr);
-    tcg_temp_free_i64(vsr);
+    tcg_gen_gvec_dup8i(vsr_full_offset(rt), 16, 16, uim8);
 }
 
 static void gen_xxsldwi(DisasContext *ctx)