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[Bug target/59794] [4.7/4.8/4.9 Regression] i386 backend fails to detect MMX/SSE/AVX ABI changes
- From: "hjl at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 14 Jan 2014 16:41:42 +0000
- Subject: [Bug target/59794] [4.7/4.8/4.9 Regression] i386 backend fails to detect MMX/SSE/AVX ABI changes
- Auto-submitted: auto-generated
- References: <bug-59794-4 at http dot gcc dot gnu dot org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59794
--- Comment #9 from hjl at gcc dot gnu.org <hjl at gcc dot gnu.org> ---
Author: hjl
Date: Tue Jan 14 16:41:10 2014
New Revision: 206603
URL: http://gcc.gnu.org/viewcvs?rev=206603&root=gcc&view=rev
Log:
Consolidate ABI warning into type_natural_mode
gcc/
PR target/59794
* config/i386/i386.c (type_natural_mode): Add a bool parameter
to indicate if type is used for function return value. Warn
ABI change if the vector mode isn't available for function
return value.
(ix86_function_arg_advance): Pass false to type_natural_mode.
(ix86_function_arg): Likewise.
(ix86_gimplify_va_arg): Likewise.
(function_arg_32): Don't warn ABI change.
(ix86_function_value): Pass true to type_natural_mode.
(ix86_return_in_memory): Likewise.
(ix86_struct_value_rtx): Removed.
(TARGET_STRUCT_VALUE_RTX): Likewise.
gcc/testsuite/
PR target/59794
* g++.dg/ext/vector23.C: Also prune ABI change for Linux/x86.
* gcc.target/i386/pr39162.c (y): New __m256i variable.
(bar): Change return type to void. Set y to x.
* gcc.target/i386/pr59794-1.c: New testcase.
* gcc.target/i386/pr59794-2.c: Likewise.
* gcc.target/i386/pr59794-3.c: Likewise.
* gcc.target/i386/pr59794-4.c: Likewise.
* gcc.target/i386/pr59794-5.c: Likewise.
* gcc.target/i386/pr59794-6.c: Likewise.
* gcc.target/i386/pr59794-7.c: Likewise.
Added:
trunk/gcc/testsuite/gcc.target/i386/pr59794-1.c
trunk/gcc/testsuite/gcc.target/i386/pr59794-2.c
trunk/gcc/testsuite/gcc.target/i386/pr59794-3.c
trunk/gcc/testsuite/gcc.target/i386/pr59794-4.c
trunk/gcc/testsuite/gcc.target/i386/pr59794-5.c
trunk/gcc/testsuite/gcc.target/i386/pr59794-6.c
trunk/gcc/testsuite/gcc.target/i386/pr59794-7.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/config/i386/i386.c
trunk/gcc/testsuite/ChangeLog
trunk/gcc/testsuite/g++.dg/ext/vector23.C
trunk/gcc/testsuite/gcc.target/i386/pr39162.c