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[06/17] target/ppc: convert xxspltib to vector operations

Message ID 20190215100058.20015-7-mark.cave-ayland@ilande.co.uk
State New
Headers show
Series None | expand

Commit Message

Mark Cave-Ayland Feb. 15, 2019, 10 a.m. UTC 
From: Richard Henderson <richard.henderson@linaro.org>


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 | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

-- 
2.11.0
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Patch

diff --git a/target/ppc/translate/vsx-impl.inc.c b/target/ppc/translate/vsx-impl.inc.c
index 2576d81ac5..944fc0608a 100644
--- a/target/ppc/translate/vsx-impl.inc.c
+++ b/target/ppc/translate/vsx-impl.inc.c
@@ -1397,9 +1397,10 @@  static void gen_xxspltw(DisasContext *ctx)
 
 static void gen_xxspltib(DisasContext *ctx)
 {
-    unsigned char uim8 = IMM8(ctx->opcode);
-    TCGv_i64 vsr;
-    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;
@@ -1410,11 +1411,7 @@  static void gen_xxspltib(DisasContext *ctx)
             return;
         }
     }
-    vsr = tcg_temp_new_i64();
-    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)