Commit Graph

10 Commits

Author SHA1 Message Date
Mitch Phillips edd4398f4c Revert "PR17164: Change clang's default behavior from -flax-vector-conversions=all to -flax-vector-conversions=integer."
This patch broke the Sanitizer buildbots. Please see the commit's
differential revision for more information
(https://reviews.llvm.org/D67678).

This reverts commit b72a8c65e4.
2020-01-20 16:34:09 -08:00
Richard Smith b72a8c65e4 PR17164: Change clang's default behavior from -flax-vector-conversions=all to -flax-vector-conversions=integer.
Summary:
See proposal on cfe-dev:
http://lists.llvm.org/pipermail/cfe-dev/2019-April/062030.html

Reviewers: SjoerdMeijer, eli.friedman

Subscribers: kristof.beyls, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D67678
2020-01-15 13:14:57 -08:00
Richard Smith c624510f13 For PR17164: split -fno-lax-vector-conversion into three different
levels:

 -- none: no lax vector conversions [new GCC default]
 -- integer: only conversions between integer vectors [old GCC default]
 -- all: all conversions between same-size vectors [Clang default]

For now, Clang still defaults to "all" mode, but per my proposal on
cfe-dev (2019-04-10) the default will be changed to "integer" as soon as
that doesn't break lots of testcases. (Eventually I'd like to change the
default to "none" to match GCC and general sanity.)

Following GCC's behavior, the driver flag -flax-vector-conversions is
translated to -flax-vector-conversions=integer.

This reinstates r371805, reverted in r371813, with an additional fix for
lldb.

llvm-svn: 371817
2019-09-13 06:02:15 +00:00
Jonas Devlieghere 4aaa77e48d Revert "For PR17164: split -fno-lax-vector-conversion into three different"
This breaks the LLDB build. I tried reaching out to Richard, but haven't
gotten a reply yet.

llvm-svn: 371813
2019-09-13 05:16:59 +00:00
Richard Smith 49c4e58b75 For PR17164: split -fno-lax-vector-conversion into three different
levels:

 -- none: no lax vector conversions [new GCC default]
 -- integer: only conversions between integer vectors [old GCC default]
 -- all: all conversions between same-size vectors [Clang default]

For now, Clang still defaults to "all" mode, but per my proposal on
cfe-dev (2019-04-10) the default will be changed to "integer" as soon as
that doesn't break lots of testcases. (Eventually I'd like to change the
default to "none" to match GCC and general sanity.)

Following GCC's behavior, the driver flag -flax-vector-conversions is
translated to -flax-vector-conversions=integer.

llvm-svn: 371805
2019-09-13 02:20:00 +00:00
Eric Christopher 9fc7fb274e Update the intel intrinsic headers to use the target attribute support.
This involved removing the conditional inclusion and replacing them
with target attributes matching the original conditional inclusion
and checks. The testcase update removes the macro checks for each
file and replaces them with usage of the __target__ attribute, e.g.:

int __attribute__((__target__(("sse3")))) foo(int a) {
  _mm_mwait(0, 0);
  return 4;
}

This usage does require the enclosing function have the requisite
__target__ attribute for inlining and code generation - also for
any macro intrinsic uses in the enclosing function. There's no change
for existing uses of the intrinsic headers.

llvm-svn: 239883
2015-06-17 07:09:32 +00:00
Craig Topper 2d85a4c537 Add more feature flags to the x86 instrinsic test.
llvm-svn: 224878
2014-12-27 06:59:44 +00:00
Robert Khasanov b9f3a911c9 [AVX512] Added VPCMPEQ intrinisics to headers.
Added tests.

Patch by Maxim Blumenthal <maxim.blumenthal@intel.com>

llvm-svn: 219319
2014-10-08 17:18:13 +00:00
Elena Demikhovsky fcc6df310d AVX-512: Added intrinsics to clang.
The set is small, that what I have right now.
Everybody is welcome to add more.

llvm-svn: 213641
2014-07-22 11:31:39 +00:00
Benjamin Kramer 4baf67a61b xopintrin.h: Add wrappers for all flavors of _mm_com.
GCC defines only the wrappers, MSVC defines both, we define both now too.
PR15844.

llvm-svn: 181514
2013-05-09 15:07:46 +00:00