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printing for printing the line directives without forcing the assembler to generate debug information.
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-g option to the assembler.
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print the debug info.
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already earlier.
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compiler.
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dependent parts into other modules and some of the functions into a util file.
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used debuggers.
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2 standard.
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information. The types follow the Current Attributes by Tag Value in Appendix 1 of the Dwarf 2 standard.
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tool.
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As opposed to the default "gnu99" mode, the C99 mode turns off a number of GNU-isms in standard header files like those of glibc.
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integer or floating constants.
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Cosmetic: README in MarkDown
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op_depends_on_memory_correct.
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Extended annotations
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PowerPC: always use full register names to print annotations.
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- Simplifications in RTLgen.
- Updated Cexec.
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variables whose address is taken.
- CminorSel, RTL: add "annot" instructions.
- CminorSel to Asm: use type "annot_arg" for arguments of "annot" instructions.
- AST, Events: simplify EF_annot because constants are now part of the arguments.
Implementation is not complete yet.
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Revised semantics of comparisons between a pointer and 0.
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It used to be that a pointer value (Vptr) always compare unequal to the
null pointer (Vint Int.zero). However, this may not be true in the
final machine code when pointer addition overflows and wraps around
to the bit pattern 0. This patch checks the validity of the pointer
being compared with 0, and makes the comparison undefined if the
pointer is out of bounds.
Note: only the IA32 back-end was updated, ARM and PowerPC need updating.
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