From 60d83a789b7d6a35c8b4f554169a7d6f107072dd Mon Sep 17 00:00:00 2001 From: "erik.corry@gmail.com" Date: Thu, 12 Mar 2009 10:20:32 +0000 Subject: [PATCH] 8-byte align C stack on Linux and Windows. Review URL: http://codereview.chromium.org/42116 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@1496 ce2b1a6d-e550-0410-aec6-3dcde31c8c00 --- src/platform-linux.cc | 4 ++-- src/platform-win32.cc | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/src/platform-linux.cc b/src/platform-linux.cc index 09eee2e..05013eb 100644 --- a/src/platform-linux.cc +++ b/src/platform-linux.cc @@ -212,8 +212,8 @@ double OS::nan_value() { int OS::ActivationFrameAlignment() { - // No constraint on Linux. - return 0; + // Floating point code runs faster if the stack is 8-byte aligned. + return 8; } diff --git a/src/platform-win32.cc b/src/platform-win32.cc index fd65738..4e98964 100644 --- a/src/platform-win32.cc +++ b/src/platform-win32.cc @@ -1298,8 +1298,8 @@ double OS::nan_value() { int OS::ActivationFrameAlignment() { - // No constraint on Windows. - return 0; + // Floating point code runs faster if the stack is 8-byte aligned. + return 8; } -- 2.7.4