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(push_reload): Allow RELOAD_FOR_INPUT with a secondary 

reload the same class as the input if the modes differ.

From-SVN: r6089
This commit is contained in:
Richard Stallman 1993-11-15 00:20:51 +00:00
parent b037a230c5
commit 0ba9317ecc
1 changed files with 7 additions and 2 deletions
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9
gcc/reload.c
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@ -1019,9 +1019,14 @@ push_reload (in, out, inloc, outloc, class,
The convention is that secondary input reloads are valid only if
the secondary_class is different from class. If you have such
a case, you can not use secondary reloads, you must work around
the problem some other way. */
the problem some other way.
if (type == RELOAD_FOR_INPUT && secondary_class == class)
Allow this when secondary_mode is not inmode and assume that
the generated code handles this case (it does on the Alpha, which
is the only place this currently happens). */
if (type == RELOAD_FOR_INPUT && secondary_class == class
&& secondary_mode == inmode)
abort ();
/* If we need a tertiary reload, see if we have one we can reuse