From: Andi Kleen <andi@firstfloor.org>
To: gcc-patches@gcc.gnu.org
Cc: Andi Kleen <ak@linux.intel.com>
Subject: [PATCH 3/3] Add bootstrap-lto-slim build config
Date: Sat, 16 Oct 2010 16:25:00 -0000 [thread overview]
Message-ID: <1287241747-2496-4-git-send-email-andi@firstfloor.org> (raw)
In-Reply-To: <1287241747-2496-3-git-send-email-andi@firstfloor.org>
From: Andi Kleen <ak@linux.intel.com>
/
2010-10-03 Andi Kleen <ak@linux.intel.com>
* config/bootstrap-lto-slim.mk: Add.
gcc/
2010-10-03 Andi Kleen <ak@linux.intel.com>
* doc/install.texi (bootstrap-lto-slim): Document.
---
config/bootstrap-lto-slim.mk | 8 ++++++++
gcc/doc/install.texi | 3 +++
2 files changed, 11 insertions(+), 0 deletions(-)
create mode 100644 config/bootstrap-lto-slim.mk
diff --git a/config/bootstrap-lto-slim.mk b/config/bootstrap-lto-slim.mk
new file mode 100644
index 0000000..af08db4
--- /dev/null
+++ b/config/bootstrap-lto-slim.mk
@@ -0,0 +1,8 @@
+# This option enables LTO slim for stage2 and stage3. It requires lto to
+# be enabled for stage1 with --enable-stage1-languages.
+
+STAGE2_CFLAGS += -fwhopr=jobserver -fuse-linker-plugin -frandom-seed=1 -flto-slim
+STAGE3_CFLAGS += -fwhopr=jobserver -fuse-linker-plugin -frandom-seed=1 -flto-slim
+
+# Ada fails to build with LTO, turn it off for now.
+BOOT_ADAFLAGS += -fno-lto
diff --git a/gcc/doc/install.texi b/gcc/doc/install.texi
index ce6b5cf..0ef8e60 100644
--- a/gcc/doc/install.texi
+++ b/gcc/doc/install.texi
@@ -2197,6 +2197,9 @@ Enables Link-Time Optimization for host tools during bootstrapping.
@samp{BUILD_CONFIG=bootstrap-lto} is equivalent to adding
@option{-flto} to @samp{BOOT_CFLAGS}.
+@item @samp{bootstrap-lto-slim}
+Analogous to @code{bootstrap-lto}.
+
@item @samp{bootstrap-debug}
Verifies that the compiler generates the same executable code, whether
or not it is asked to emit debug information. To this end, this
--
1.7.1
next prev parent reply other threads:[~2010-10-16 15:09 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-16 15:09 Updated slim-lto patchkit Andi Kleen
2010-10-16 16:07 ` [PATCH 1/3] Add native ELF and LTO support in collect2 Andi Kleen
2010-10-16 15:09 ` [PATCH 2/3] Implement -flto-slim Andi Kleen
2010-10-16 16:25 ` Andi Kleen [this message]
2010-11-02 11:03 ` Diego Novillo
2010-11-02 11:06 ` Richard Guenther
2010-11-02 11:18 ` Diego Novillo
2010-11-02 11:50 ` Andi Kleen
2010-11-02 11:57 ` Richard Guenther
2010-11-02 11:06 ` [PATCH 1/3] Add native ELF and LTO support in collect2 Diego Novillo
2010-11-02 11:07 ` Richard Guenther
2010-11-02 11:41 ` Andi Kleen
2010-11-02 21:26 ` Dave Korn
2010-11-02 11:42 ` Andi Kleen
2010-10-20 21:27 ` *PING* Re: Updated slim-lto patchkit Andi Kleen
2010-10-20 21:34 ` Diego Novillo
2010-10-20 23:09 ` Andi Kleen
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1287241747-2496-4-git-send-email-andi@firstfloor.org \
--to=andi@firstfloor.org \
--cc=ak@linux.intel.com \
--cc=gcc-patches@gcc.gnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).