[binutils-gdb/binutils-2_26-branch] Remove references to non-existent silicon errata.

[Nick Clifton <nickc at sourceware dot org>]

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=a8a5b1257804177cf1622765235e55d3b1ad2030

commit a8a5b1257804177cf1622765235e55d3b1ad2030
Author: Nick Clifton <nickc@redhat.com>
Date:   Tue Dec 15 16:27:28 2015 +0000

    Remove references to non-existent silicon errata.
    
    	* doc/c-msp430.texi (MSP430 Options): Remove references to a
    	non-existent silicon errata.
    	* config/tc-msp430.c: Likewise.

Diff:
---
 gas/ChangeLog          |  6 ++++++
 gas/config/tc-msp430.c | 13 +++----------
 gas/doc/c-msp430.texi  |  4 ----
 3 files changed, 9 insertions(+), 14 deletions(-)

diff --git a/gas/ChangeLog b/gas/ChangeLog
index b4314fb..bc01506 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,9 @@
+2015-12-15  Nick Clifton  <nickc@redhat.com>
+
+	* doc/c-msp430.texi (MSP430 Options): Remove references to a
+	non-existent silicon errata.
+	* config/tc-msp430.c: Likewise.
+
 2015-12-15  Matthew Wahab  <matthew.wahab@arm.com>
 
 	* config/tc-aarch64.c (parse_neon_type_for_operand): Adjust to
diff --git a/gas/config/tc-msp430.c b/gas/config/tc-msp430.c
index ef7c5ee..a7451a3 100644
--- a/gas/config/tc-msp430.c
+++ b/gas/config/tc-msp430.c
@@ -694,8 +694,6 @@ static unsigned int silicon_errata_warn = 0;
 #define SILICON_ERRATA_CPU12 		(1 << 3)
 #define SILICON_ERRATA_CPU13 		(1 << 4)
 #define SILICON_ERRATA_CPU19 		(1 << 5)
-#define SILICON_ERRATA_CPU42 		(1 << 6)
-#define SILICON_ERRATA_CPU42_PLUS	(1 << 7)
 
 static void
 msp430_set_arch (int option)
@@ -1338,8 +1336,6 @@ md_parse_option (int c, char * arg)
 	  { STRING_COMMA_LEN ("cpu12"), SILICON_ERRATA_CPU12 },
 	  { STRING_COMMA_LEN ("cpu13"), SILICON_ERRATA_CPU13 },
 	  { STRING_COMMA_LEN ("cpu19"), SILICON_ERRATA_CPU19 },
-	  { STRING_COMMA_LEN ("cpu42"), SILICON_ERRATA_CPU42 },
-	  { STRING_COMMA_LEN ("cpu42+"), SILICON_ERRATA_CPU42_PLUS },
 	};
 
 	do
@@ -1579,7 +1575,7 @@ md_show_usage (FILE * stream)
   fprintf (stream,
 	   _("  -msilicon-errata=<name>[,<name>...] - enable fixups for silicon errata\n"
 	     "  -msilicon-errata-warn=<name>[,<name>...] - warn when a fixup might be needed\n"
-	     "   supported errata names: cpu4, cpu8, cpu11, cpu12, cpu13, cpu19, cpu42, cpu42+\n"));
+	     "   supported errata names: cpu4, cpu8, cpu11, cpu12, cpu13, cpu19\n"));
   fprintf (stream,
 	   _("  -mQ - enable relaxation at assembly time. DANGEROUS!\n"
 	     "  -mP - enable polymorph instructions\n"));
@@ -2605,9 +2601,7 @@ msp430_operands (struct msp430_opcode_s * opcode, char * line)
 	      switch (check_for_nop & - check_for_nop)
 		{
 		case NOP_CHECK_INTERRUPT:
-		  if (warn_interrupt_nops
-		      || silicon_errata_warn & SILICON_ERRATA_CPU42
-		      || silicon_errata_warn & SILICON_ERRATA_CPU42_PLUS)
+		  if (warn_interrupt_nops)
 		    {
 		      if (gen_interrupt_nops)
 			as_warn (_("NOP inserted between two instructions that change interrupt state"));
@@ -2615,8 +2609,7 @@ msp430_operands (struct msp430_opcode_s * opcode, char * line)
 			as_warn (_("a NOP might be needed here because of successive changes in interrupt state"));
 		    }
 
-		  if (gen_interrupt_nops
-		      || silicon_errata_fix & SILICON_ERRATA_CPU42_PLUS)
+		  if (gen_interrupt_nops)
 		    /* Emit a NOP between interrupt enable/disable.
 		       See 1.3.4.1 of the MSP430x5xx User Guide.  */
 		    doit = TRUE;
diff --git a/gas/doc/c-msp430.texi b/gas/doc/c-msp430.texi
index 5b72c76..ff5fef4 100644
--- a/gas/doc/c-msp430.texi
+++ b/gas/doc/c-msp430.texi
@@ -57,10 +57,6 @@ Do not use the @code{PC} in a @code{CMP} or @code{BIT} instruction.
 Do not use an arithmetic instruction to modify the @code{SR}.
 @item cpu19
 Insert @code{NOP} after @code{CPUOFF}.
-@item cpu42
-Warn where a @code{NOP} ought to be present after enabling interrupts.
-@item cpu42+
-Add @code{NOP} after enabling interrupts.
 @end table
 
 @item -msilicon-errata-warn=@var{name}[,@var{name}@dots{}]