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authorNikunj A Dadhania <nikunj@linux.vnet.ibm.com>2016-07-26 17:28:33 +0530
committerDavid Gibson <david@gibson.dropbear.id.au>2016-09-07 09:52:14 +1000
commitb35344e4a0968fd1341ec1c1ed2e6b5c0d851542 (patch)
tree57a680bdf56b3a5145c9ad292cc5dea8446103e2 /target-ppc/translate.c
parente91d95b27703c6d67370cb3aa78ed5e4f8b03bbb (diff)
target-ppc: add cnttzw[.] instruction
Add ISA3.0: Count trailing zeros word instruction. Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com> Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'target-ppc/translate.c')
-rw-r--r--target-ppc/translate.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index 8eea69216e..b24845344e 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -1583,6 +1583,16 @@ static void gen_cntlzw(DisasContext *ctx)
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
+
+/* cnttzw */
+static void gen_cnttzw(DisasContext *ctx)
+{
+ gen_helper_cnttzw(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
+ if (unlikely(Rc(ctx->opcode) != 0)) {
+ gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
+ }
+}
+
/* eqv & eqv. */
GEN_LOGICAL2(eqv, tcg_gen_eqv_tl, 0x08, PPC_INTEGER);
/* extsb & extsb. */
@@ -10057,6 +10067,7 @@ GEN_HANDLER(subfic, 0x08, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
GEN_HANDLER2(andi_, "andi.", 0x1C, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
GEN_HANDLER2(andis_, "andis.", 0x1D, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
GEN_HANDLER(cntlzw, 0x1F, 0x1A, 0x00, 0x00000000, PPC_INTEGER),
+GEN_HANDLER_E(cnttzw, 0x1F, 0x1A, 0x10, 0x00000000, PPC_NONE, PPC2_ISA300),
GEN_HANDLER(or, 0x1F, 0x1C, 0x0D, 0x00000000, PPC_INTEGER),
GEN_HANDLER(xor, 0x1F, 0x1C, 0x09, 0x00000000, PPC_INTEGER),
GEN_HANDLER(ori, 0x18, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),