[PATCH 3/4] Define MAX_CODE_ALIGN globally.

[marxin]

gcc/ChangeLog:

2018-07-11  Martin Liska  <mli...@suse.cz>

        * align.h (MAX_CODE_ALIGN): New.
        (MAX_CODE_ALIGN_VALUE): New.
        * common/config/i386/i386-common.c (ix86_handle_option):
        (MAX_CODE_ALIGN): Moved to align.h.
        * final.c (MAX_CODE_ALIGN): Likewise.
        * opts.c (parse_and_check_align_values):
        (MAX_CODE_ALIGN): Likewise.
        (MAX_CODE_ALIGN_VALUE): Likewise.
---
 gcc/align.h                          | 4 ++++
 gcc/common/config/i386/i386-common.c | 3 ---
 gcc/final.c                          | 1 -
 gcc/opts.c                           | 4 ----
 4 files changed, 4 insertions(+), 8 deletions(-)


diff --git a/gcc/align.h b/gcc/align.h
index 5a5d6c752a3..9acce47cf9b 100644
--- a/gcc/align.h
+++ b/gcc/align.h
@@ -74,3 +74,7 @@ struct align_flags
 
   align_flags_tuple levels[2];
 };
+
+/* Define maximum supported code alignment.  */
+#define MAX_CODE_ALIGN 16
+#define MAX_CODE_ALIGN_VALUE (1 << MAX_CODE_ALIGN)
diff --git a/gcc/common/config/i386/i386-common.c b/gcc/common/config/i386/i386-common.c
index 277ee55a093..70b3c3f2fc3 100644
--- a/gcc/common/config/i386/i386-common.c
+++ b/gcc/common/config/i386/i386-common.c
@@ -1318,9 +1318,6 @@ 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       warning_at (loc, 0, "-malign-loops is obsolete, use -falign-loops");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)
diff --git a/gcc/final.c b/gcc/final.c
index 59eb75c3d63..445a3fe938a 100644
--- a/gcc/final.c
+++ b/gcc/final.c
@@ -842,7 +842,6 @@ shorten_branches (rtx_insn *first)
   rtx_insn *insn;
   int max_uid;
   int i;
-#define MAX_CODE_ALIGN 16
   rtx_insn *seq;
   int something_changed = 1;
   char *varying_length;
diff --git a/gcc/opts.c b/gcc/opts.c
index e536607fe79..0625b15b27b 100644
--- a/gcc/opts.c
+++ b/gcc/opts.c
@@ -1805,10 +1805,6 @@ parse_and_check_align_values (const char *flag,
       return false;
     }
 
-  /* Comes from final.c -- no real reason to change it.  */
-#define MAX_CODE_ALIGN 16
-#define MAX_CODE_ALIGN_VALUE (1 << MAX_CODE_ALIGN)
-
   for (unsigned i = 0; i < result_values.length (); i++)
     if (result_values[i] > MAX_CODE_ALIGN_VALUE)
       {