[PATCH 1/3] Remove support for obsolete x86 -malign-foo options

[Denys Vlasenko <dvlasenk@redhat.com>]

2017-04-18  Denys Vlasenko  <dvlasenk@redhat.com>

    * config/i386/i386-common.c (ix86_handle_option): Remove support
    for obsolete -malign-loops, -malign-jumps and -malign-functions
    options.
    * config/i386/i386.opt: Likewise.

Index: gcc/common/config/i386/i386-common.c
===================================================================
--- gcc/common/config/i386/i386-common.c	(revision 240663)
+++ gcc/common/config/i386/i386-common.c	(working copy)
@@ -998,38 +998,6 @@ ix86_handle_option (struct gcc_options *opts,
 	}
       return true;
 
-
-  /* Comes from final.c -- no real reason to change it.  */
-#define MAX_CODE_ALIGN 16
-
-    case OPT_malign_loops_:
-      warning_at (loc, 0, "-malign-loops is obsolete, use -falign-loops");
-      if (value > MAX_CODE_ALIGN)
-	error_at (loc, "-malign-loops=%d is not between 0 and %d",
-		  value, MAX_CODE_ALIGN);
-      else
-	opts->x_align_loops = 1 << value;
-      return true;
-
-    case OPT_malign_jumps_:
-      warning_at (loc, 0, "-malign-jumps is obsolete, use -falign-jumps");
-      if (value > MAX_CODE_ALIGN)
-	error_at (loc, "-malign-jumps=%d is not between 0 and %d",
-		  value, MAX_CODE_ALIGN);
-      else
-	opts->x_align_jumps = 1 << value;
-      return true;
-
-    case OPT_malign_functions_:
-      warning_at (loc, 0,
-		  "-malign-functions is obsolete, use -falign-functions");
-      if (value > MAX_CODE_ALIGN)
-	error_at (loc, "-malign-functions=%d is not between 0 and %d",
-		  value, MAX_CODE_ALIGN);
-      else
-	opts->x_align_functions = 1 << value;
-      return true;
-
     case OPT_mbranch_cost_:
       if (value > 5)
 	{
Index: gcc/config/i386/i386.opt
===================================================================
--- gcc/config/i386/i386.opt	(revision 240663)
+++ gcc/config/i386/i386.opt	(working copy)
@@ -205,18 +205,6 @@ malign-double
 Target Report Mask(ALIGN_DOUBLE) Save
 Align some doubles on dword boundary.
 
-malign-functions=
-Target RejectNegative Joined UInteger
-Function starts are aligned to this power of 2.
-
-malign-jumps=
-Target RejectNegative Joined UInteger
-Jump targets are aligned to this power of 2.
-
-malign-loops=
-Target RejectNegative Joined UInteger
-Loop code aligned to this power of 2.
-
 malign-stringops
 Target RejectNegative Report InverseMask(NO_ALIGN_STRINGOPS, ALIGN_STRINGOPS) Save
 Align destination of the string operations.