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[12/13] target-ppc: implement xscpsgnqp instruction

Message ID 1480937130-24561-13-git-send-email-nikunj@linux.vnet.ibm.com (mailing list archive)
State New, archived
Headers show

Commit Message

Nikunj A. Dadhania Dec. 5, 2016, 11:25 a.m. UTC 
xscpsgnqp: VSX Scalar Copy Sign Quad-Precision

Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
---
 target-ppc/translate/vsx-impl.inc.c | 12 +++++++++++-
 target-ppc/translate/vsx-ops.inc.c  |  1 +
 2 files changed, 12 insertions(+), 1 deletion(-)

Comments

Richard Henderson Dec. 5, 2016, 6:18 p.m. UTC | #1 
On 12/05/2016 03:25 AM, Nikunj A Dadhania wrote:
> xscpsgnqp: VSX Scalar Copy Sign Quad-Precision
> 
> Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
> ---
>  target-ppc/translate/vsx-impl.inc.c | 12 +++++++++++-
>  target-ppc/translate/vsx-ops.inc.c  |  1 +
>  2 files changed, 12 insertions(+), 1 deletion(-)

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 560deaf..77f098b 100644
--- a/target-ppc/translate/vsx-impl.inc.c
+++ b/target-ppc/translate/vsx-impl.inc.c
@@ -642,9 +642,10 @@  VSX_SCALAR_MOVE(xscpsgndp, OP_CPSGN, SGN_MASK_DP)
 #define VSX_SCALAR_MOVE_QP(name, op, sgn_mask)                    \
 static void glue(gen_, name)(DisasContext *ctx)                   \
 {                                                                 \
+    int xa;                                                       \
     int xt = rD(ctx->opcode) + 32;                                \
     int xb = rB(ctx->opcode) + 32;                                \
-    TCGv_i64 xbh, xbl, sgm;                                       \
+    TCGv_i64 xah, xbh, xbl, sgm;                                  \
                                                                   \
     if (unlikely(!ctx->vsx_enabled)) {                            \
         gen_exception(ctx, POWERPC_EXCP_VSXU);                    \
@@ -667,6 +668,14 @@  static void glue(gen_, name)(DisasContext *ctx)                   \
         tcg_gen_xor_i64(xbh, xbh, sgm);                           \
         tcg_gen_xori_i64(xbl, xbl, 0);                            \
         break;                                                    \
+    case OP_CPSGN:                                                \
+        xah = tcg_temp_new_i64();                                 \
+        xa = rA(ctx->opcode) + 32;                                \
+        tcg_gen_and_i64(xah, cpu_vsrh(xa), sgm);                  \
+        tcg_gen_andc_i64(xbh, xbh, sgm);                          \
+        tcg_gen_or_i64(xbh, xbh, xah);                            \
+        tcg_temp_free_i64(xah);                                   \
+        break;                                                    \
     }                                                             \
     tcg_gen_mov_i64(cpu_vsrh(xt), xbh);                           \
     tcg_gen_mov_i64(cpu_vsrl(xt), xbl);                           \
@@ -678,6 +687,7 @@  static void glue(gen_, name)(DisasContext *ctx)                   \
 VSX_SCALAR_MOVE_QP(xsabsqp, OP_ABS, SGN_MASK_DP)
 VSX_SCALAR_MOVE_QP(xsnabsqp, OP_NABS, SGN_MASK_DP)
 VSX_SCALAR_MOVE_QP(xsnegqp, OP_NEG, SGN_MASK_DP)
+VSX_SCALAR_MOVE_QP(xscpsgnqp, OP_CPSGN, SGN_MASK_DP)
 
 #define VSX_VECTOR_MOVE(name, op, sgn_mask)                      \
 static void glue(gen_, name)(DisasContext * ctx)                 \
diff --git a/target-ppc/translate/vsx-ops.inc.c b/target-ppc/translate/vsx-ops.inc.c
index d798edb..42e83d2 100644
--- a/target-ppc/translate/vsx-ops.inc.c
+++ b/target-ppc/translate/vsx-ops.inc.c
@@ -107,6 +107,7 @@  GEN_XX3FORM(xscpsgndp, 0x00, 0x16, PPC2_VSX),
 GEN_VSX_XFORM_300_EO(xsabsqp, 0x04, 0x19, 0x00, 0x00000001),
 GEN_VSX_XFORM_300_EO(xsnabsqp, 0x04, 0x19, 0x08, 0x00000001),
 GEN_VSX_XFORM_300_EO(xsnegqp, 0x04, 0x19, 0x10, 0x00000001),
+GEN_VSX_XFORM_300(xscpsgnqp, 0x04, 0x03, 0x00000001),
 
 GEN_XX2FORM(xvabsdp, 0x12, 0x1D, PPC2_VSX),
 GEN_XX2FORM(xvnabsdp, 0x12, 0x1E, PPC2_VSX),