Re: Generating gimple assign stmt that changes sign

On Tue, 22 May 2018, Kugan Vivekanandarajah wrote: Hi, I am looking to introduce ABSU_EXPR and that would create: unsigned short res = ABSU_EXPR (short); Note that the argument is signed and result is unsigned. As per the review, I have a match.pd entry to generate this as: (simplify (abs (co

Re: Generating gimple assign stmt that changes sign

Hi Jeff, Thanks for the prompt reply. On 22 May 2018 at 09:10, Jeff Law wrote: > On 05/21/2018 04:50 PM, Kugan Vivekanandarajah wrote: >> Hi, >> >> I am looking to introduce ABSU_EXPR and that would create: >> >> unsigned short res = ABSU_EXPR (short); >> >> Note that the argument is signed and

Re: Generating gimple assign stmt that changes sign

On 05/21/2018 04:50 PM, Kugan Vivekanandarajah wrote: > Hi, > > I am looking to introduce ABSU_EXPR and that would create: > > unsigned short res = ABSU_EXPR (short); > > Note that the argument is signed and result is unsigned. As per the > review, I have a match.pd entry to generate this as: >

Generating gimple assign stmt that changes sign

Hi, I am looking to introduce ABSU_EXPR and that would create: unsigned short res = ABSU_EXPR (short); Note that the argument is signed and result is unsigned. As per the review, I have a match.pd entry to generate this as: (simplify (abs (convert @0)) (if (ANY_INTEGRAL_TYPE_P (TREE_TYPE (@0)))

Re: wrong comment in gcc/testsuite/gcc.c-torture/compile/simd-5.c

On 05/02/2018 04:49 AM, Christian Groessler wrote: > Hi, > > --- a/gcc/testsuite/gcc.c-torture/compile/simd-5.c > +++ b/gcc/testsuite/gcc.c-torture/compile/simd-5.c > @@ -6,7 +6,7 @@ main(){ >  vector64 int a = {1, -1}; >  vector64 int b = {2, -2}; >  c = -a + b*b*(-1LL); > -/* c is now {5, 3} */

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Bin Cheng appointed Loop Optimizer co-maintainer

I am pleased to announce that the GCC Steering Committee has appointed Bin Cheng as Loop Optimizer co-maintainer. Please join me in congratulating Bin on his new role. Bin, please update your listing in the MAINTAINERS file. Happy hacking! David

Re: gcc-6-branch test failures: g++ c-c++-common/asan/pr59063-2.c

To me it looks like the definition of 'real_sigaction' in 'asan_interceptors.cc' is actually going to recursively call itself - so I tried patching libsanitizer: {BEGIN PATCH: Index: asan/asan_interceptors.cc === --- asan/asan_interc

gcc-6-branch test failures: g++ c-c++-common/asan/pr59063-2.c

Good day - Attempts to build latest GCC gcc-6-branch version from SVN ( Revision 260441 ), with the GCC 6.4.1 from the last time I built it ( git commit starting '4f2cbe2' ), now fail in 'make check' , on a Linux x86_64 host (RHEL 7.5, glibc 2.17) : When 'pr59063-2.c' is built with the '-static-