From: Julian Seward <jseward@acm.org>
Date: Mon, 14 Feb 2011 13:58:08 +0000 (+0000)
Subject: Merge from trunk, r2088 (Handle Ico_V128(0xFFFF))
X-Git-Tag: svn/VALGRIND_3_6_1^2~1
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ffa2dd6d82a99ef35cd61d0b4f1ed0cab4fac509;p=thirdparty%2Fvalgrind.git

Merge from trunk, r2088 (Handle Ico_V128(0xFFFF))


git-svn-id: svn://svn.valgrind.org/vex/branches/VEX_3_6_BRANCH@2102
---

diff --git a/VEX/priv/host_ppc_isel.c b/VEX/priv/host_ppc_isel.c
index 4ae18f32e4..1609c74777 100644
--- a/VEX/priv/host_ppc_isel.c
+++ b/VEX/priv/host_ppc_isel.c
@@ -994,6 +994,16 @@ static HReg generate_zeroes_V128 ( ISelEnv* env )
    return dst;
 }
 
+/* Generate all-ones into a new vector register.
+*/
+static HReg generate_ones_V128 ( ISelEnv* env )
+{
+   HReg dst = newVRegV(env);
+   PPCVI5s * src = PPCVI5s_Imm(-1);
+   addInstr(env, PPCInstr_AvSplat(8, dst, src));
+   return dst;
+}
+
 
 /*
   Generates code for AvSplat
@@ -3710,6 +3720,9 @@ static HReg iselVecExpr_wrk ( ISelEnv* env, IRExpr* e )
       vassert(e->Iex.Const.con->tag == Ico_V128);
       if (e->Iex.Const.con->Ico.V128 == 0x0000) {
          return generate_zeroes_V128(env);
+      } 
+      else if (e->Iex.Const.con->Ico.V128 == 0xffff) {
+         return generate_ones_V128(env);
       }
    }