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Commit c822f852 by Marcus Shawcroft Committed by Marcus Shawcroft
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[AArch64] Update comment w.r.t SYMBOL_TINY_ABSOLUTE address model. 

From-SVN: r200531
parent 946c8f7b
Showing with 12 additions and 0 deletions
gcc/ChangeLog
2013-06-28 Marcus Shawcroft <marcus.shawcroft@arm.com>
* config/aarch64/aarch64-protos.h (aarch64_symbol_type):
Update comment w.r.t SYMBOL_TINY_ABSOLUTE.
2013-06-28 Marcus Shawcroft <marcus.shawcroft@arm.com>
* config/aarch64/aarch64-protos.h
aarch64_classify_symbol_expression): Define.
(aarch64_symbolic_constant_p): Remove.
......
gcc/config/aarch64/aarch64-protos.h
......@@ -68,6 +68,13 @@ enum aarch64_symbol_context
Each of of these represents a thread-local symbol, and corresponds to the
thread local storage relocation operator for the symbol being referred to.
SYMBOL_TINY_ABSOLUTE
Generate symbol accesses as a PC relative address using a single
instruction. To compute the address of symbol foo, we generate:
ADR x0, foo
SYMBOL_FORCE_TO_MEM : Global variables are addressed using
constant pool. All variable addresses are spilled into constant
pools. The constant pools themselves are addressed using PC
......
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