arc: Add alternative names for gp and fp registers.

Add alternative register name r26 for gp register, and add
alternative register name r27 for fp register.

gcc/
2021-05-10  Claudiu Zissulescu  <claziss@synopsys.com>

	* config/arc/arc.h (ADDITIONAL_REGISTER_NAMES): Add r26 and r27.

diff --git a/gcc/config/arc/arc.h b/gcc/config/arc/arc.h
index bbb3625..b7b3473 100644 (file)
--- a/gcc/config/arc/arc.h
+++ b/gcc/config/arc/arc.h
@@ -1193,6 +1193,8 @@ extern char rname56[], rname57[], rname58[], rname59[];
 
 #define ADDITIONAL_REGISTER_NAMES              \
 {                                              \
+  {"r26",    26},                              \
+  {"r27",    27},                              \
   {"ilink",  29},                              \
   {"r29",    29},                              \
   {"r30",    30},                              \