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ab700f9fc0
They were not displayed in the UI, and the instructions to initialize the line
field of a stack frame increased code size unnecessarily.
This change reduces the binary size on Linux x64 by around 100KB.
Here's a diff of the impact on the code generated for Attr_Binding::get_specified
in the Mac build:
@@ -20,17 +20,16 @@
movq 0x8(%rbx), %rax
movq %r12, %rcx
shlq $0x5, %rcx
leaq aGetAttrspecifi, %rdx ; "get Attr.specified"
movq %rdx, (%rax,%rcx)
movq $0x0, 0x8(%rax,%rcx)
leaq -40(%rbp), %rdx
movq %rdx, 0x10(%rax,%rcx)
- movl $0x106, 0x18(%rax,%rcx)
movl $0x1c, 0x1c(%rax,%rcx)
leal 0x1(%r12), %eax
movl %eax, 0x10(%rbx)
movq %r15, %rdi
call __ZNK7mozilla3dom4Attr9SpecifiedEv ; mozilla::dom::Attr::Specified() const
movzxl %al, %eax
movabsq $0xfff9000000000000, %rcx
Depends on D9193
Differential Revision: https://phabricator.services.mozilla.com/D9195
--HG--
extra : moz-landing-system : lando
40 lines
1.1 KiB
C++
40 lines
1.1 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/AutoProfilerLabel.h"
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namespace mozilla {
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static ProfilerLabelEnter sEnter = nullptr;
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static ProfilerLabelExit sExit = nullptr;
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void
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RegisterProfilerLabelEnterExit(ProfilerLabelEnter aEnter,
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ProfilerLabelExit aExit)
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{
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sEnter = aEnter;
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sExit = aExit;
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}
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AutoProfilerLabel::AutoProfilerLabel(const char* aLabel,
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const char* aDynamicString
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MOZ_GUARD_OBJECT_NOTIFIER_PARAM_IN_IMPL)
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{
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MOZ_GUARD_OBJECT_NOTIFIER_INIT;
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mProfilingStack = sEnter ? sEnter(aLabel, aDynamicString, this) : nullptr;
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}
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AutoProfilerLabel::~AutoProfilerLabel()
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{
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if (sExit && mProfilingStack) {
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sExit(mProfilingStack);
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}
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}
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} // namespace mozilla
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