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-rw-r--r--gcc/ChangeLog4
-rw-r--r--gcc/config/mips/mips.h6
2 files changed, 10 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 833bc07..f9acd65 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
+
+ * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
+
Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
* config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
diff --git a/gcc/config/mips/mips.h b/gcc/config/mips/mips.h
index 4592c29..409e9c5 100644
--- a/gcc/config/mips/mips.h
+++ b/gcc/config/mips/mips.h
@@ -2086,6 +2086,12 @@ extern enum reg_class mips_secondary_reload_class ();
: 2 * CLASS_UNITS (MODE, 8)) \
: CLASS_UNITS (MODE, UNITS_PER_WORD))
+/* If defined, gives a class of registers that cannot be used as the
+ operand of a SUBREG that changes the size of the object. */
+
+#define CLASS_CANNOT_CHANGE_SIZE \
+ (TARGET_FLOAT64 && ! TARGET_64BIT ? FP_REGS : NO_REGS)
+
/* If defined, this is a C expression whose value should be
nonzero if the insn INSN has the effect of mysteriously
clobbering the contents of hard register number REGNO. By