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From: "hjl at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/49547] LZCNT should be enabled only if ABM or LZCNT bits are set
Date: Mon, 01 Aug 2011 13:48:00 -0000 [thread overview]
Message-ID: <bug-49547-4-2yFKwm5xpk@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-49547-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49547
--- Comment #6 from hjl at gcc dot gnu.org <hjl at gcc dot gnu.org> 2011-08-01 13:47:39 UTC ---
Author: hjl
Date: Mon Aug 1 13:47:31 2011
New Revision: 177034
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=177034
Log:
Add -mlzcnt.
gcc/
2011-08-01 Kirill Yukhin <kirill.yukhin@intel.com>
PR target/49547
* config.gcc (i[34567]86-*-*): Replace abmintrin.h with
lzcntintrin.h.
(x86_64-*-*): Likewise.
* config/i386/i386.opt (mlzcnt): New.
* config/i386/abmintrin.h: File removed.
(__lzcnt_u16, __lzcnt, __lzcnt_u64): Moved to ...
* config/i386/lzcntintrin.h: ... here. New file.
(__lzcnt): Rename to ...
(__lzcnt32): ... this.
* config/i386/bmiintrin.h (head): Update copyright year.
(__lzcnt_u16): Removed.
(__lzcnt_u32): Likewise.
(__lzcnt_u64): Likewise.
* config/i386/x86intrin.h: Include lzcntintrin.h when __LZCNT__
is defined, remove abmintrin.h.
* config/i386/cpuid.h (bit_LZCNT): New.
* config/i386/driver-i386.c (host_detect_local_cpu): Detect
LZCNT feature.
* config/i386/i386-c.c (ix86_target_macros_internal): Define
__LZCNT__ if needed.
* config/i386/i386.c (ix86_target_string): New option -mlzcnt.
(ix86_option_override_internal): Handle LZCNT option.
(ix86_valid_target_attribute_inner_p): Likewise.
(struct builtin_description bdesc_args) <IX86_BUILTIN_CLZS>: Update.
* config/i386/i386.h (TARGET_LZCNT): New.
(CLZ_DEFINED_VALUE_AT_ZERO): Update.
* config/i386/i386.md (clz<mode>2): Update insn constraint.
(clz<mode>2_lzcnt): Likewise.
* doc/invoke.texi: Mention -mlzcnt option.
* doc/extend.texi: Likewise.
gcc/testsuite/
2011-08-01 Kirill Yukhin <kirill.yukhin@intel.com>
* gcc.target/i386/i386.exp (check_effective_target_lzcnt): New.
* gcc.target/i386/lzcnt-1.c: New test.
* gcc.target/i386/lzcnt-2.c: Likewise.
* gcc.target/i386/lzcnt-2a.c: Likewise.
* gcc.target/i386/lzcnt-3.c: Likewise.
* gcc.target/i386/lzcnt-4.c: Likewise.
* gcc.target/i386/lzcnt-4a.c: Likewise.
* gcc.target/i386/lzcnt-5.c: Likewise.
* gcc.target/i386/lzcnt-6.c: Likewise.
* gcc.target/i386/lzcnt-6a.c: Likewise.
* gcc.target/i386/lzcnt-check.h: Likewise.
* gcc.target/i386/sse-12.c (dg-compile): Add -mlzcnt.
* gcc.target/i386/sse-13.c: Likewise.
* gcc.target/i386/sse-14.c: Likewise.
* g++.dg/other/i386-2.C: Likewise.
* g++.dg/other/i386-3.C: Likewise.
Added:
trunk/gcc/config/i386/lzcntintrin.h
trunk/gcc/testsuite/gcc.target/i386/lzcnt-1.c
trunk/gcc/testsuite/gcc.target/i386/lzcnt-2.c
trunk/gcc/testsuite/gcc.target/i386/lzcnt-2a.c
trunk/gcc/testsuite/gcc.target/i386/lzcnt-3.c
trunk/gcc/testsuite/gcc.target/i386/lzcnt-4.c
trunk/gcc/testsuite/gcc.target/i386/lzcnt-4a.c
trunk/gcc/testsuite/gcc.target/i386/lzcnt-5.c
trunk/gcc/testsuite/gcc.target/i386/lzcnt-6.c
trunk/gcc/testsuite/gcc.target/i386/lzcnt-6a.c
trunk/gcc/testsuite/gcc.target/i386/lzcnt-check.h
Removed:
trunk/gcc/config/i386/abmintrin.h
Modified:
trunk/gcc/ChangeLog
trunk/gcc/config.gcc
trunk/gcc/config/i386/bmiintrin.h
trunk/gcc/config/i386/cpuid.h
trunk/gcc/config/i386/driver-i386.c
trunk/gcc/config/i386/i386-c.c
trunk/gcc/config/i386/i386.c
trunk/gcc/config/i386/i386.h
trunk/gcc/config/i386/i386.md
trunk/gcc/config/i386/i386.opt
trunk/gcc/config/i386/x86intrin.h
trunk/gcc/doc/extend.texi
trunk/gcc/doc/invoke.texi
trunk/gcc/testsuite/ChangeLog
trunk/gcc/testsuite/g++.dg/other/i386-2.C
trunk/gcc/testsuite/g++.dg/other/i386-3.C
trunk/gcc/testsuite/gcc.target/i386/i386.exp
trunk/gcc/testsuite/gcc.target/i386/sse-12.c
trunk/gcc/testsuite/gcc.target/i386/sse-13.c
trunk/gcc/testsuite/gcc.target/i386/sse-14.c
next prev parent reply other threads:[~2011-08-01 13:48 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-27 16:51 [Bug target/49547] New: " kirill.yukhin at intel dot com
2011-06-27 16:53 ` [Bug target/49547] " hjl.tools at gmail dot com
2011-07-27 5:04 ` kirill.yukhin at intel dot com
2011-07-27 17:59 ` kirill.yukhin at intel dot com
2011-07-27 18:03 ` hjl.tools at gmail dot com
2011-07-27 18:07 ` kirill.yukhin at intel dot com
2011-08-01 13:48 ` hjl at gcc dot gnu.org [this message]
2011-08-01 13:57 ` hjl.tools at gmail dot com
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