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A few coprocessor instructions introduced in ARMv2 are currently accepted by GAS when targeting ARMv1 due to a typo in the code. This patch fixes the issue and introduce a more fine grained testing for coprocessor instructions availability. Coprocessor instructions are grouped as follows: * ARM coprocessor instructions introduced in ARMv2 Includes: ldc, stc, mcr, mrc, cdp, ldcl, stcl Guarded by: ARM_EXT_V2 Tests: copro-arm_v2plus-arm_v*.d * ARM coprocessor instructions introduced in ARMv5 Includes: ldc2, ldc2l, stc2, stc2l, cdp2, mcr2, mrc2 Guarded by: ARM_EXT_V5 Tests: copro-arm_v5plus-arm_v*.d * ARM coprocessor instructions introduced in ARMv5TE Includes: mcrr, mrrc Guarded by: ARM_EXT_V5E Tests: copro-arm_v5teplus-arm_v*.d * ARM coprocessor instructions introduced in ARMv6 Includes: mcrr2, mrrc2 Guarded by: ARM_EXT_V6 Tests: copro-arm_v6plus-arm_v*.d * Thumb coprocessor instructions introduced in ARMv6T2 Includes: ldc, ldcl, stc, stcl, mcr, mrc, mcrr, mrrc, cdp, ldc2, ldc2l, stc2, stc2l, cdp2, mcr2, mrc2, mcrr2, mrrc2 Guarded by: ARM_EXT_V6T2 Tests: copro-thumb_v6t2plus-thumb_v*.d For each of these groups, at least 2 tests are performed: * instructions are not available in earlier architecture * instructions are available in architecture where they were introduced More tests need to be performed when instructions in a group span several assembly files. Note that an instruction in the original coprocessor testcase is changed to unified syntax to allow the testcase to be assembled for ARM and Thumb state. Correct processing of legacy syntax is covered in other testcases. 2017-11-01 Thomas Preud'homme <thomas.preudhomme@arm.com> gas/ * config/tc-arm.c (arm_ext_v2): Define to ARM_EXT_V2 feature bit. * testsuite/gas/arm/copro.s: Split into ... * testsuite/gas/arm/copro-arm_v2plus-thumb_v6t2plus.s: This while changing it to unified syntax and ... * testsuite/gas/arm/copro-arm_v5plus-thumb_v6t2plus.s: this and ... * testsuite/gas/arm/copro-arm_v5teplus-thumb_v6t2plus.s: This and ... * testsuite/gas/arm/copro-arm_v6plus-thumb_v6t2plus.s: This. * testsuite/gas/arm/copro.d: Split into ... * testsuite/gas/arm/copro-arm_v2plus-arm_v2.d: This but target ARMv2 and ... * testsuite/gas/arm/copro-arm_v5plus-arm_v5.d: this but target ARMv5 and ... * testsuite/gas/arm/copro-arm_v5teplus-arm_v5te.d: This but target ARMv5TE and ... * testsuite/gas/arm/copro-arm_v6plus-arm_v6.d: This but target ARMv6. * testsuite/gas/arm/copro-arm_v2plus-arm_v1.d: New testcase. * testsuite/gas/arm/copro-thumb_v6t2plus-thumb_v4t-1.d: New testcase. * testsuite/gas/arm/copro-arm_v2plus-thumb_v6t2plus-unavail.l: Expected errors for the above two testcases. * testsuite/gas/arm/copro-thumb_v6t2plus-thumb_v6t2-1.d: New testcase. * testsuite/gas/arm/copro-arm_v5plus-arm_v4.d: New testcase. * testsuite/gas/arm/copro-thumb_v6t2plus-thumb_v4t-2.d: New testcase. * testsuite/gas/arm/copro-arm_v5plus-thumb_v6t2plus-unavail.l: Expected errors for the above two testcases. * testsuite/gas/arm/copro-thumb_v6t2plus-thumb_v6t2-2.d: New testcase. * testsuite/gas/arm/copro-arm_v5teplus-arm_v5.d: New testcase. * testsuite/gas/arm/copro-thumb_v6t2plus-thumb_v4t-3.d: New testcase. * testsuite/gas/arm/copro-arm_v5teplus-thumb_v6t2plus-unavail.l: Expected errors for the above two testcases. * testsuite/gas/arm/copro-thumb_v6t2plus-thumb_v6t2-3.d: New testcase. * testsuite/gas/arm/copro-arm_v6plus-arm_v5te.d: New testcase. * testsuite/gas/arm/copro-thumb_v6t2plus-thumb_v4t-4.d: New testcase. * testsuite/gas/arm/copro-arm_v6plus-thumb_v6t2plus-unavail.l: Expected errors for the above two testcases. * testsuite/gas/arm/copro-thumb_v6t2plus-thumb_v6t2-4.d: New testcase.
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README for GNU development tools This directory contains various GNU compilers, assemblers, linkers, debuggers, etc., plus their support routines, definitions, and documentation. If you are receiving this as part of a GDB release, see the file gdb/README. If with a binutils release, see binutils/README; if with a libg++ release, see libg++/README, etc. That'll give you info about this package -- supported targets, how to use it, how to report bugs, etc. It is now possible to automatically configure and build a variety of tools with one command. To build all of the tools contained herein, run the ``configure'' script here, e.g.: ./configure make To install them (by default in /usr/local/bin, /usr/local/lib, etc), then do: make install (If the configure script can't determine your type of computer, give it the name as an argument, for instance ``./configure sun4''. You can use the script ``config.sub'' to test whether a name is recognized; if it is, config.sub translates it to a triplet specifying CPU, vendor, and OS.) If you have more than one compiler on your system, it is often best to explicitly set CC in the environment before running configure, and to also set CC when running make. For example (assuming sh/bash/ksh): CC=gcc ./configure make A similar example using csh: setenv CC gcc ./configure make Much of the code and documentation enclosed is copyright by the Free Software Foundation, Inc. See the file COPYING or COPYING.LIB in the various directories, for a description of the GNU General Public License terms under which you can copy the files. REPORTING BUGS: Again, see gdb/README, binutils/README, etc., for info on where and how to report problems.
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