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* explow.c (validize_mem): Do not modify the argument in-place. 

From-SVN: r241247
This commit is contained in:
Eric Botcazou 2016-10-17 16:10:42 +00:00 committed by Eric Botcazou
parent 80b841ba52
commit b810570549
2 changed files with 9 additions and 5 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,7 @@
2016-10-17 Eric Botcazou <ebotcazou@adacore.com>
* explow.c (validize_mem): Do not modify the argument in-place.
2016-10-17 Thomas Schwinge <thomas@codesourcery.com>
* tree-streamer.c (record_common_node): Explicitly list expected
@ -95,7 +99,7 @@
(lookup_descr_for_decl): New function.
(convert_tramp_reference_op): Deal with descriptors.
(build_init_call_stmt): New function extracted from...
(finalize_nesting_tree_1): ...here. Adjust and deal withdescriptors.
(finalize_nesting_tree_1): ...here. Adjust and deal with descriptors.
* defaults.h (FUNCTION_ALIGNMENT): Define.
(TRAMPOLINE_ALIGNMENT): Set to above instead of FUNCTION_BOUNDARY.
* config/i386/i386.h (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define.

8
gcc/explow.c
View File

@ -496,9 +496,8 @@ memory_address_addr_space (machine_mode mode, rtx x, addr_space_t as)
return x;
}
/* If REF is a MEM with an invalid address, change it into a valid address.
Pass through anything else unchanged. REF must be an unshared rtx and
the function may modify it in-place. */
/* Convert a mem ref into one with a valid memory address.
Pass through anything else unchanged. */
rtx
validize_mem (rtx ref)
@ -510,7 +509,8 @@ validize_mem (rtx ref)
MEM_ADDR_SPACE (ref)))
return ref;
return replace_equiv_address (ref, XEXP (ref, 0), true);
/* Don't alter REF itself, since that is probably a stack slot. */
return replace_equiv_address (ref, XEXP (ref, 0));
}
/* If X is a memory reference to a member of an object block, try rewriting