From: Julian Seward <jseward@acm.org>
Date: Sat, 13 Aug 2005 23:58:34 +0000 (+0000)
Subject: Handle Iop_Sar16, so that front end amd64 "cwtd" does not bomb.
X-Git-Tag: svn/VALGRIND_3_1_1^2~143
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8b6f59a55d391ea1d7a4c39b4a2d0cc357c4bd62;p=thirdparty%2Fvalgrind.git

Handle Iop_Sar16, so that front end amd64 "cwtd" does not bomb.


git-svn-id: svn://svn.valgrind.org/vex/trunk@1333
---

diff --git a/VEX/priv/host-amd64/isel.c b/VEX/priv/host-amd64/isel.c
index 5ead7c4d8b..66588dda70 100644
--- a/VEX/priv/host-amd64/isel.c
+++ b/VEX/priv/host-amd64/isel.c
@@ -913,14 +913,14 @@ static HReg iselIntExpr_R_wrk ( ISelEnv* env, IRExpr* e )
             case Iop_Shr32:
                addInstr(env, AMD64Instr_MovZLQ(dst,dst));
                break;
-//..             case Iop_Sar8:
-//..                addInstr(env, X86Instr_Sh32(Xsh_SHL, 24, X86RM_Reg(dst)));
-//..                addInstr(env, X86Instr_Sh32(Xsh_SAR, 24, X86RM_Reg(dst)));
-//..                break;
-//..             case Iop_Sar16:
-//..                addInstr(env, X86Instr_Sh32(Xsh_SHL, 16, X86RM_Reg(dst)));
-//..                addInstr(env, X86Instr_Sh32(Xsh_SAR, 16, X86RM_Reg(dst)));
-//..                break;
+            case Iop_Sar8:
+               addInstr(env, AMD64Instr_Sh64(Ash_SHL, 56, dst));
+               addInstr(env, AMD64Instr_Sh64(Ash_SAR, 56, dst));
+               break;
+            case Iop_Sar16:
+               addInstr(env, AMD64Instr_Sh64(Ash_SHL, 48, dst));
+               addInstr(env, AMD64Instr_Sh64(Ash_SAR, 48, dst));
+               break;
             case Iop_Sar32:
                addInstr(env, AMD64Instr_Sh64(Ash_SHL, 32, dst));
                addInstr(env, AMD64Instr_Sh64(Ash_SAR, 32, dst));