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[v4,1/9] target-ppc: Implement mfvsrld instruction

Message ID 1475040687-27523-2-git-send-email-nikunj@linux.vnet.ibm.com
State New
Headers show

Commit Message

Nikunj A Dadhania Sept. 28, 2016, 5:31 a.m. UTC 
From: Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com>

mfvsrld: Move From VSR Lower Doubleword

Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com>
Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
---
 target-ppc/translate/vsx-impl.inc.c | 17 +++++++++++++++++
 target-ppc/translate/vsx-ops.inc.c  |  1 +
 2 files changed, 18 insertions(+)

Comments

Richard Henderson Sept. 28, 2016, 4:03 p.m. UTC | #1 
On 09/27/2016 10:31 PM, Nikunj A Dadhania wrote:
> From: Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com>
> 
> mfvsrld: Move From VSR Lower Doubleword
> 
> Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com>
> Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
> ---
>  target-ppc/translate/vsx-impl.inc.c | 17 +++++++++++++++++
>  target-ppc/translate/vsx-ops.inc.c  |  1 +
>  2 files changed, 18 insertions(+)

Reviewed-by: Richard Henderson <rth@twiddle.net>


r~
diff mbox

Patch

diff --git a/target-ppc/translate/vsx-impl.inc.c b/target-ppc/translate/vsx-impl.inc.c
index eee6052..b669e8c 100644
--- a/target-ppc/translate/vsx-impl.inc.c
+++ b/target-ppc/translate/vsx-impl.inc.c
@@ -217,6 +217,23 @@  static void gen_##name(DisasContext *ctx)                       \
 MV_VSRD(mfvsrd, cpu_gpr[rA(ctx->opcode)], cpu_vsrh(xS(ctx->opcode)))
 MV_VSRD(mtvsrd, cpu_vsrh(xT(ctx->opcode)), cpu_gpr[rA(ctx->opcode)])
 
+static void gen_mfvsrld(DisasContext *ctx)
+{
+    if (xS(ctx->opcode) < 32) {
+        if (unlikely(!ctx->vsx_enabled)) {
+            gen_exception(ctx, POWERPC_EXCP_VSXU);
+            return;
+        }
+    } else {
+        if (unlikely(!ctx->altivec_enabled)) {
+            gen_exception(ctx, POWERPC_EXCP_VPU);
+            return;
+        }
+    }
+
+    tcg_gen_mov_i64(cpu_gpr[rA(ctx->opcode)], cpu_vsrl(xS(ctx->opcode)));
+}
+
 #endif
 
 static void gen_xxpermdi(DisasContext *ctx)
diff --git a/target-ppc/translate/vsx-ops.inc.c b/target-ppc/translate/vsx-ops.inc.c
index 414b73b..3b296f8 100644
--- a/target-ppc/translate/vsx-ops.inc.c
+++ b/target-ppc/translate/vsx-ops.inc.c
@@ -22,6 +22,7 @@  GEN_HANDLER_E(mtvsrwz, 0x1F, 0x13, 0x07, 0x0000F800, PPC_NONE, PPC2_VSX207),
 #if defined(TARGET_PPC64)
 GEN_HANDLER_E(mfvsrd, 0x1F, 0x13, 0x01, 0x0000F800, PPC_NONE, PPC2_VSX207),
 GEN_HANDLER_E(mtvsrd, 0x1F, 0x13, 0x05, 0x0000F800, PPC_NONE, PPC2_VSX207),
+GEN_HANDLER_E(mfvsrld, 0X1F, 0x13, 0x09, 0x0000F800, PPC_NONE, PPC2_ISA300),
 #endif
 
 #define GEN_XX1FORM(name, opc2, opc3, fl2)                              \