| Commit message (Collapse) | Author | Age | Files | Lines |
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This reverts commit 861292a6c5e58b4f78bef207c717b801b3fc1fed.
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Added a new file debug/Debug.ml which will be the interface between for
generating and printing the debuging information. Currently it contains
only the code for the line directived.
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Merge branch 'master' into debug_locations
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SimplLocals:
- record locations of stack-allocated variables with annotations
(of kind 5) at the beginning of the function;
- mark every assignment to non-stack-allocated variables with an
annotation of kind 2.
Debugvar: (new pass!)
- perform availability analysis for debug annotations of kind 2
- insert "start of live range" and "end of live range" annotations
(kind 3 and 4) to delimit intervals of PCs where the location
of a local variable is known.
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Use EF_debug instead of EF_annot for line number annotations.
Introduce PrintAsmaux.print_debug_info (very incomplete).
powerpc/Asmexpand: revise expand_memcpy_small.
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structured builtin arguments and results.
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Before, the back-end languages had distinct instructions
- Iannot for annotations, taking structured expressions (annot_arg)
as arguments, and producing no results'
- Ibuiltin for other builtins, using simple pseudoregs/locations/registers
as arguments and results.
This branch enriches Ibuiltin instructions so that they take structured
expressions (builtin_arg and builtin_res) as arguments and results.
This way,
- Annotations fit the general pattern of builtin functions,
so Iannot instructions are removed.
- EF_vload_global and EF_vstore_global become useless, as the
same optimization can be achieved by EF_vload/vstore taking
a structured argument of the "address of global" kind.
- Better code can be generated for builtin_memcpy between stack locations,
or volatile accesses to stack locations.
Finally, this commit also introduces a new kind of external function,
EF_debug, which is like EF_annot but produces no observable events.
It will be used later to transport debug info through the back-end,
without preventing optimizations.
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separate file.
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global target dependend option to activate the printing only for targets wher it works.
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default function aligment to be target dependent.
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