From: Julian Seward <jseward@acm.org>
Date: Wed, 27 Jun 2012 10:27:13 +0000 (+0000)
Subject: Comment-only change re findSSECmpOp.
X-Git-Tag: svn/VALGRIND_3_8_1^2~64
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=597198dbc3296e7db4602842cca3399f0aba82d6;p=thirdparty%2Fvalgrind.git

Comment-only change re findSSECmpOp.


git-svn-id: svn://svn.valgrind.org/vex/trunk@2414
---

diff --git a/VEX/priv/guest_amd64_toIR.c b/VEX/priv/guest_amd64_toIR.c
index eb101d09fc..a130e5136d 100644
--- a/VEX/priv/guest_amd64_toIR.c
+++ b/VEX/priv/guest_amd64_toIR.c
@@ -8611,6 +8611,8 @@ static Bool findSSECmpOp ( /*OUT*/Bool* preSwapP,
       /* "Enhanced Comparison Predicate[s] for VEX-Encoded [insns] */
       case 0xA:  XXX(True,  Iop_CmpLT32Fx4, True);  break; // NGT_US
       // 0xB  FALSE_OQ
+      // 0xC: this isn't really right because it returns all-1s when
+      // either operand is a NaN, and it should return all-0s.
       case 0xC:  XXX(False, Iop_CmpEQ32Fx4, True);  break; // NEQ_OQ
       case 0xD:  XXX(True,  Iop_CmpLE32Fx4, False); break; // GE_OS
       case 0xE:  XXX(True,  Iop_CmpLT32Fx4, False); break; // GT_OS