From: chunyang.dai <chunyang.dai@intel.com>
Date: Thu, 2 Jul 2015 04:02:33 +0000 (-0700)
Subject: X87: [turbofan] Add CalleeSavedFPRegisters to CallDescriptor.
X-Git-Tag: upstream/4.7.83~1608
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a8eff645b4511bfaf1fe7e76830cb1451b78f1b6;p=platform%2Fupstream%2Fv8.git

X87: [turbofan] Add CalleeSavedFPRegisters to CallDescriptor.

port b4275a70eb1e6b6dc0f3c77b9be6bcfca3f80c20 (r29378)

original commit message:

    This change makes possible to save and restore the FP registers
    in the Prologue and Return parts for the CallAddress kind functions.

BUG=

Review URL: https://codereview.chromium.org/1214573006

Cr-Commit-Position: refs/heads/master@{#29432}
---

diff --git a/src/compiler/x87/linkage-x87.cc b/src/compiler/x87/linkage-x87.cc
index e4606de..69e1b3d 100644
--- a/src/compiler/x87/linkage-x87.cc
+++ b/src/compiler/x87/linkage-x87.cc
@@ -22,6 +22,7 @@ struct X87LinkageHelperTraits {
   static RegList CCalleeSaveRegisters() {
     return esi.bit() | edi.bit() | ebx.bit();
   }
+  static RegList CCalleeSaveFPRegisters() { return 0; }
   static Register CRegisterParameter(int i) { return no_reg; }
   static int CRegisterParametersLength() { return 0; }
   static int CStackBackingStoreLength() { return 0; }