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LLVM backend for 6502
c141b331b9
Summary: The assembler temporary is normally $at ($1) but can be reassigned using '.set at=$reg'. Regardless of which register is nominated as the assembler temporary, $at remains $1 when written by the user. Adds warnings under the following conditions: * The register nominated as the assembler temporary is used by the user. * '.set noat' is in effect and $at is used by the user. Both of these only work for named registers. I have a follow up commit that makes it work for numeric registers as well. XFAIL set-at-directive.s since it incorrectly tests that $at is redefined by '.set at=$reg'. Testcases will follow in a separate commit. Patch by David Chisnall His work was sponsored by: DARPA, AFRL Differential Revision: http://llvm-reviews.chandlerc.com/D3167 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204710 91177308-0d34-0410-b5e6-96231b3b80d8 |
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| include | ||
| lib | ||
| projects | ||
| test | ||
| tools | ||
| unittests | ||
| utils | ||
| .arcconfig | ||
| .clang-format | ||
| .gitignore | ||
| CMakeLists.txt | ||
| CODE_OWNERS.TXT | ||
| configure | ||
| CREDITS.TXT | ||
| LICENSE.TXT | ||
| llvm.spec.in | ||
| LLVMBuild.txt | ||
| Makefile | ||
| Makefile.common | ||
| Makefile.config.in | ||
| Makefile.rules | ||
| README.txt | ||
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