Commit ffaff414 by Jim Wilson Committed by Jim Wilson

Fix glibc 2.2 build failure.

	* config/ia64/ia64.h (PREFERRED_RELOAD_CLASS): Return NO_REGS for
	a volatile mem and FR_REGS.

From-SVN: r34799
parent b6a89402
2000-06-29 Jim Wilson <wilson@cygnus.com>
* config/ia64/ia64.h (PREFERRED_RELOAD_CLASS): Return NO_REGS for
a volatile mem and FR_REGS.
2000-06-29 Mark Mitchell <mark@codesourcery.com>
* c-common.c: Include c-common.h, not c-lex.h or c-tree.h.
......
......@@ -983,7 +983,14 @@ enum reg_class
The value is a register class; perhaps CLASS, or perhaps another, smaller
class. */
#define PREFERRED_RELOAD_CLASS(X, CLASS) CLASS
/* Don't allow volatile mem reloads into floating point registers. This
is defined to force reload to choose the r/m case instead of the f/f case
when reloading (set (reg fX) (mem/v)). */
#define PREFERRED_RELOAD_CLASS(X, CLASS) \
((CLASS == FR_REGS && GET_CODE (X) == MEM && MEM_VOLATILE_P (X)) \
? NO_REGS \
: CLASS)
/* You should define this macro to indicate to the reload phase that it may
need to allocate at least one register for a reload in addition to the
......
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