Change 7-byte NOP instruction for RX target, so that it only takes 1 cycle to excute.

	* config/tc-rx.c (nop_7): Recode using MAX.

diff --git a/gas/ChangeLog b/gas/ChangeLog
index c0fb096..fe1ed74 100644 (file)
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,7 @@
+2015-09-22  Nick Clifton  <nickc@redhat.com>
+
+       * config/tc-rx.c (nop_7): Recode using MAX.
+
 2015-09-05  Chen Gang  <gang.chen.5i5j@gmail.com>
 
        * config/tc-avr.c (md_section_align): Append UL for -1 to avoid

diff --git a/gas/config/tc-rx.c b/gas/config/tc-rx.c
index e70295d..4345d58 100644 (file)
--- a/gas/config/tc-rx.c
+++ b/gas/config/tc-rx.c
@@ -1263,8 +1263,8 @@ static unsigned char nop_4[] = { 0x76, 0x10, 0x01, 0x00 };
 static unsigned char nop_5[] = { 0x77, 0x10, 0x01, 0x00, 0x00 };
                                /* MUL #1,R0 - 1 cycle */
 static unsigned char nop_6[] = { 0x74, 0x10, 0x01, 0x00, 0x00, 0x00 };
-                               /* BRA.S .+7 - 1 cycle */
-static unsigned char nop_7[] = { 0x0F, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03 };
+                               /* MAX 0x80000000,R0 - 1 cycle */
+static unsigned char nop_7[] = { 0xFD, 0x70, 0x40, 0x00, 0x00, 0x00, 0x80 };
 
 static unsigned char *nops[] = { NULL, nop_1, nop_2, nop_3, nop_4, nop_5, nop_6, nop_7 };
 #define BIGGEST_NOP 7