opth-gen.awk: Use unsigned shifts for bit masks.

2016-11-07  Bernd Edlinger  <bernd.edlinger@hotmail.de>

	* opth-gen.awk: Use unsigned shifts for bit masks.  Allow all bits
	to be used.  Add brackets around macro argument.

From-SVN: r242803

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index a84eb7d..e6f29db 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2016-11-23  Bernd Edlinger  <bernd.edlinger@hotmail.de>
+
+       * opth-gen.awk: Use unsigned shifts for bit masks.  Allow all bits
+       to be used.  Add brackets around macro argument.
+
 2016-11-23  Uros Bizjak  <ubizjak@gmail.com>
 
        * config/i386/i386.md (*<any_or:code>hi_1): Fix operand 2 constraints.

diff --git a/gcc/opth-gen.awk b/gcc/opth-gen.awk
index c728a42..27f4141 100644 (file)
--- a/gcc/opth-gen.awk
+++ b/gcc/opth-gen.awk
@@ -350,11 +350,11 @@ for (i = 0; i < n_opts; i++) {
                mask_bits[name] = 1
                vname = var_name(flags[i])
                mask = "MASK_"
-               mask_1 = "1"
+               mask_1 = "1U"
                if (vname != "") {
                        mask = "OPTION_MASK_"
                        if (host_wide_int[vname] == "yes")
-                               mask_1 = "HOST_WIDE_INT_1"
+                               mask_1 = "HOST_WIDE_INT_1U"
                } else
                        extra_mask_bits[name] = 1
                print "#define " mask name " (" mask_1 " << " masknum[vname]++ ")"
@@ -362,16 +362,16 @@ for (i = 0; i < n_opts; i++) {
 }
 for (i = 0; i < n_extra_masks; i++) {
        if (extra_mask_bits[extra_masks[i]] == 0)
-               print "#define MASK_" extra_masks[i] " (1 << " masknum[""]++ ")"
+               print "#define MASK_" extra_masks[i] " (1U << " masknum[""]++ ")"
 }
 
 for (var in masknum) {
        if (var != "" && host_wide_int[var] == "yes") {
-               print" #if defined(HOST_BITS_PER_WIDE_INT) && " masknum[var] " >= HOST_BITS_PER_WIDE_INT"
+               print "#if defined(HOST_BITS_PER_WIDE_INT) && " masknum[var] " > HOST_BITS_PER_WIDE_INT"
                print "#error too many masks for " var
                print "#endif"
        }
-       else if (masknum[var] > 31) {
+       else if (masknum[var] > 32) {
                if (var == "")
                        print "#error too many target masks"
                else
@@ -401,7 +401,7 @@ for (i = 0; i < n_opts; i++) {
                print "#define TARGET_" name \
                      " ((" vname " & " mask name ") != 0)"
                print "#define TARGET_" name "_P(" vname ")" \
-                     " ((" vname " & " mask name ") != 0)"
+                     " (((" vname ") & " mask name ") != 0)"
        }
 }
 for (i = 0; i < n_extra_masks; i++) {