Make space for /xx flag

This doesn't actually use the flag yet.
We no longer have to make version-dependent changes to
ext/Devel-Peek/t/Peek.t, (it being in /ext) so this doesn't

9 files changed, 32 insertions, 27 deletions

diff --git a/dump.c b/dump.c
index 16ac58114a..bfc176d0fb 100644
--- a/dump.c
+++ b/dump.c
@@ -1363,6 +1363,7 @@ const struct flag_to_name regexp_extflags_names[] = {
     {RXf_PMf_SINGLELINE,  "PMf_SINGLELINE,"},
     {RXf_PMf_FOLD,        "PMf_FOLD,"},
     {RXf_PMf_EXTENDED,    "PMf_EXTENDED,"},
+    {RXf_PMf_EXTENDED_MORE, "PMf_EXTENDED_MORE,"},
     {RXf_PMf_KEEPCOPY,    "PMf_KEEPCOPY,"},
     {RXf_IS_ANCHORED,     "IS_ANCHORED,"},
     {RXf_NO_INPLACE_SUBST, "NO_INPLACE_SUBST,"},
diff --git a/ext/B/t/concise-xs.t b/ext/B/t/concise-xs.t
index c2258f7c6a..c1d7f186ab 100644
--- a/ext/B/t/concise-xs.t
+++ b/ext/B/t/concise-xs.t
@@ -166,7 +166,8 @@ my $testpkgs = {
 		     OPpSORT_INPLACE OPpSORT_INTEGER OPpSORT_NUMERIC
 		     OPpSORT_REVERSE OPpREVERSE_INPLACE OPpTARGET_MY
 		     OPpTRANS_COMPLEMENT OPpTRANS_DELETE OPpTRANS_SQUASH
-		     PMf_CONTINUE PMf_EVAL PMf_EXTENDED PMf_FOLD PMf_GLOBAL
+		     PMf_CONTINUE PMf_EVAL PMf_EXTENDED PMf_EXTENDED_MORE
+                     PMf_FOLD PMf_GLOBAL
 		     PMf_KEEP PMf_NONDESTRUCT
 		     PMf_MULTILINE PMf_ONCE PMf_SINGLELINE
 		     POSTFIX SVf_FAKE SVf_IOK SVf_NOK SVf_POK SVf_ROK
diff --git a/ext/Devel-Peek/t/Peek.t b/ext/Devel-Peek/t/Peek.t
index dd148626a1..f321e188bb 100644
--- a/ext/Devel-Peek/t/Peek.t
+++ b/ext/Devel-Peek/t/Peek.t
@@ -1189,7 +1189,7 @@ do_test('UTF-8 in a regular expression',
     CUR = 13
     STASH = $ADDR	"Regexp"
     COMPFLAGS = 0x0 \(\)
-    EXTFLAGS = 0x680040 \(CHECK_ALL,USE_INTUIT_NOML,USE_INTUIT_ML\)
+    EXTFLAGS = 0x680080 \(CHECK_ALL,USE_INTUIT_NOML,USE_INTUIT_ML\)
 (?:    ENGINE = $ADDR \(STANDARD\)
 )?    INTFLAGS = 0x0(?: \(\))?
     NPARENS = 0
@@ -1212,7 +1212,7 @@ do_test('UTF-8 in a regular expression',
       PV = $ADDR "\(\?\^u:\\\\\\\\x\{100\}\)" \[UTF8 "\(\?\^u:\\\\\\\\x\{100\}\)"\]
       CUR = 13
       COMPFLAGS = 0x0 \(\)
-      EXTFLAGS = 0x680040 \(CHECK_ALL,USE_INTUIT_NOML,USE_INTUIT_ML\)
+      EXTFLAGS = 0x680080 \(CHECK_ALL,USE_INTUIT_NOML,USE_INTUIT_ML\)
 (?:      ENGINE = $ADDR \(STANDARD\)
 )?      INTFLAGS = 0x0(?: \(\))?
       NPARENS = 0
diff --git a/ext/re/re.pm b/ext/re/re.pm
index c2d6eed2d1..5904d4e00e 100644
--- a/ext/re/re.pm
+++ b/ext/re/re.pm
@@ -23,7 +23,7 @@ my %reflags = (
     s => 1 << ($PMMOD_SHIFT + 1),
     i => 1 << ($PMMOD_SHIFT + 2),
     x => 1 << ($PMMOD_SHIFT + 3),
-    p => 1 << ($PMMOD_SHIFT + 4),
+    p => 1 << ($PMMOD_SHIFT + 5),
 # special cases:
     d => 0,
     l => 1,
diff --git a/lib/B/Deparse.pm b/lib/B/Deparse.pm
index ab85acf1ac..a4cb5a37a6 100644
--- a/lib/B/Deparse.pm
+++ b/lib/B/Deparse.pm
@@ -20,8 +20,8 @@ use B qw(class main_root main_start main_cv svref_2object opnumber perlstring
 	 SVpad_TYPED
          CVf_METHOD CVf_LVALUE
 	 PMf_KEEP PMf_GLOBAL PMf_CONTINUE PMf_EVAL PMf_ONCE
-	 PMf_MULTILINE PMf_SINGLELINE PMf_FOLD PMf_EXTENDED);
-$VERSION = '1.28';
+	 PMf_MULTILINE PMf_SINGLELINE PMf_FOLD PMf_EXTENDED PMf_EXTENDED_MORE);
+$VERSION = '1.29';
 use strict;
 use vars qw/$AUTOLOAD/;
 use warnings ();
@@ -4756,11 +4756,12 @@ sub re_flags {
     $flags .= "o" if $pmflags & PMf_KEEP;
     $flags .= "s" if $pmflags & PMf_SINGLELINE;
     $flags .= "x" if $pmflags & PMf_EXTENDED;
+    $flags .= "x" if $pmflags & PMf_EXTENDED_MORE;
     $flags .= "p" if $pmflags & RXf_PMf_KEEPCOPY;
     if (my $charset = $pmflags & RXf_PMf_CHARSET) {
 	# Hardcoding this is fragile, but B does not yet export the
 	# constants we need.
-	$flags .= qw(d l u a aa)[$charset >> 5]
+	$flags .= qw(d l u a aa)[$charset >> 6]
     }
     # The /d flag is indicated by 0; only show it if necessary.
     elsif ($self->{hinthash} and
diff --git a/op.h b/op.h
index 2bc723d611..64825acd81 100644
--- a/op.h
+++ b/op.h
@@ -275,7 +275,7 @@ struct pmop {
  * allocate off the low end until you get to PMf_BASE_SHIFT+0.  If that isn't
  * enough, move PMf_BASE_SHIFT down (if possible) and add the new bit at the
  * other end instead; this preserves binary compatibility. */
-#define PMf_BASE_SHIFT (_RXf_PMf_SHIFT_NEXT+5)
+#define PMf_BASE_SHIFT (_RXf_PMf_SHIFT_NEXT+4)
 
 /* 'use re "taint"' in scope: taint $1 etc. if target tainted */
 #define PMf_RETAINT	(1<<(PMf_BASE_SHIFT+5))
diff --git a/op_reg_common.h b/op_reg_common.h
index 67e2439e38..7ff27de578 100644
--- a/op_reg_common.h
+++ b/op_reg_common.h
@@ -32,7 +32,8 @@
 #define RXf_PMf_SINGLELINE     (1 << (RXf_PMf_STD_PMMOD_SHIFT+1))    /* /s */
 #define RXf_PMf_FOLD           (1 << (RXf_PMf_STD_PMMOD_SHIFT+2))    /* /i */
 #define RXf_PMf_EXTENDED       (1 << (RXf_PMf_STD_PMMOD_SHIFT+3))    /* /x */
-#define RXf_PMf_KEEPCOPY       (1 << (RXf_PMf_STD_PMMOD_SHIFT+4))    /* /p */
+#define RXf_PMf_EXTENDED_MORE  (1 << (RXf_PMf_STD_PMMOD_SHIFT+4))    /* /xx */
+#define RXf_PMf_KEEPCOPY       (1 << (RXf_PMf_STD_PMMOD_SHIFT+5))    /* /p */
 
 /* The character set for the regex is stored in a field of more than one bit
  * using an enum, for reasons of compactness and to ensure that the options are
@@ -48,7 +49,7 @@ typedef enum {
     REGEX_ASCII_MORE_RESTRICTED_CHARSET
 } regex_charset;
 
-#define _RXf_PMf_CHARSET_SHIFT ((RXf_PMf_STD_PMMOD_SHIFT)+5)
+#define _RXf_PMf_CHARSET_SHIFT ((RXf_PMf_STD_PMMOD_SHIFT)+6)
 #define RXf_PMf_CHARSET (7 << (_RXf_PMf_CHARSET_SHIFT)) /* 3 bits */
 
 /* Manually decorate these functions here with gcc-style attributes just to
@@ -80,22 +81,22 @@ get_regex_charset(const U32 flags)
     return (regex_charset) ((flags & RXf_PMf_CHARSET) >> _RXf_PMf_CHARSET_SHIFT);
 }
 
-#define _RXf_PMf_SHIFT_COMPILETIME (RXf_PMf_STD_PMMOD_SHIFT+8)
+#define _RXf_PMf_SHIFT_COMPILETIME (RXf_PMf_STD_PMMOD_SHIFT+9)
 
 /*
   Set in Perl_pmruntime if op_flags & OPf_SPECIAL, i.e. split. Will
   be used by regex engines to check whether they should set
   RXf_SKIPWHITE
 */
-#define RXf_PMf_SPLIT (1<<(RXf_PMf_STD_PMMOD_SHIFT+8))
+#define RXf_PMf_SPLIT (1<<(RXf_PMf_STD_PMMOD_SHIFT+9))
 
 /* Next available bit after the above.  Name begins with '_' so won't be
  * exported by B */
-#define _RXf_PMf_SHIFT_NEXT (RXf_PMf_STD_PMMOD_SHIFT+9)
+#define _RXf_PMf_SHIFT_NEXT (RXf_PMf_STD_PMMOD_SHIFT+10)
 
 /* Mask of the above bits.  These need to be transferred from op_pmflags to
  * re->extflags during compilation */
-#define RXf_PMf_COMPILETIME    (RXf_PMf_MULTILINE|RXf_PMf_SINGLELINE|RXf_PMf_FOLD|RXf_PMf_EXTENDED|RXf_PMf_KEEPCOPY|RXf_PMf_CHARSET)
+#define RXf_PMf_COMPILETIME    (RXf_PMf_MULTILINE|RXf_PMf_SINGLELINE|RXf_PMf_FOLD|RXf_PMf_EXTENDED|RXf_PMf_EXTENDED_MORE|RXf_PMf_KEEPCOPY|RXf_PMf_CHARSET)
 #define RXf_PMf_FLAGCOPYMASK   (RXf_PMf_COMPILETIME|RXf_PMf_SPLIT)
 
     /* Exclude win32 because it can't cope with I32_MAX definition */
@@ -110,11 +111,12 @@ get_regex_charset(const U32 flags)
 #define PMf_SINGLELINE   1<<1
 #define PMf_FOLD         1<<2
 #define PMf_EXTENDED     1<<3
-#define PMf_KEEPCOPY     1<<4
-#define PMf_CHARSET      7<<5
-#define PMf_SPLIT        1<<8
+#define PMf_EXTENDED_MORE 1<<4
+#define PMf_KEEPCOPY      1<<5
+#define PMf_CHARSET       7<<6
+#define PMf_SPLIT         1<<9
 
-#if PMf_MULTILINE != RXf_PMf_MULTILINE || PMf_SINGLELINE != RXf_PMf_SINGLELINE || PMf_FOLD != RXf_PMf_FOLD || PMf_EXTENDED != RXf_PMf_EXTENDED || PMf_KEEPCOPY != RXf_PMf_KEEPCOPY || PMf_SPLIT != RXf_PMf_SPLIT || PMf_CHARSET != RXf_PMf_CHARSET
+#if PMf_MULTILINE != RXf_PMf_MULTILINE || PMf_SINGLELINE != RXf_PMf_SINGLELINE || PMf_FOLD != RXf_PMf_FOLD || PMf_EXTENDED != RXf_PMf_EXTENDED || PMf_EXTENDED_MORE != RXf_PMf_EXTENDED_MORE || PMf_KEEPCOPY != RXf_PMf_KEEPCOPY || PMf_SPLIT != RXf_PMf_SPLIT || PMf_CHARSET != RXf_PMf_CHARSET
 #   error RXf_PMf defines are wrong
 #endif
 
diff --git a/regexp.h b/regexp.h
index 324f55ffd8..1f6b67d374 100644
--- a/regexp.h
+++ b/regexp.h
@@ -321,7 +321,7 @@ and check for NULL.
 /* This string is expected by regcomp.c to be ordered so that the first
  * character is the flag in bit RXf_PMf_STD_PMMOD_SHIFT of extflags; the next
  * character is bit +1, etc. */
-#define STD_PAT_MODS        "msix"
+#define STD_PAT_MODS        "msixx"
 
 #define CHARSET_PAT_MODS    ASCII_RESTRICT_PAT_MODS DEPENDS_PAT_MODS LOCALE_PAT_MODS UNICODE_PAT_MODS
 
@@ -381,7 +381,7 @@ and check for NULL.
  * For the regexp bits, PL_reg_extflags_name[] in regnodes.h has a comment
  * giving which bits are used/unused */
 
-#define RXf_BASE_SHIFT (_RXf_PMf_SHIFT_NEXT + 5)
+#define RXf_BASE_SHIFT (_RXf_PMf_SHIFT_NEXT + 4)
 
 /* What we have seen */
 #define RXf_NO_INPLACE_SUBST    (1<<(RXf_BASE_SHIFT+2))
diff --git a/regnodes.h b/regnodes.h
index 73b81a1c2f..7bc75c92d0 100644
--- a/regnodes.h
+++ b/regnodes.h
@@ -632,17 +632,17 @@ EXTCONST char * const PL_reg_name[] = {
 EXTCONST char * PL_reg_extflags_name[];
 #else
 EXTCONST char * const PL_reg_extflags_name[] = {
-	/* Bits in extflags defined: 11111111111111110000000111111111 */
+	/* Bits in extflags defined: 11111111111111110000001111111111 */
 	"MULTILINE",        /* 0x00000001 */
 	"SINGLELINE",       /* 0x00000002 */
 	"FOLD",             /* 0x00000004 */
 	"EXTENDED",         /* 0x00000008 */
-	"KEEPCOPY",         /* 0x00000010 */
-	"CHARSET0",         /* 0x00000020 : "CHARSET" - 0x000000e0 */
-	"CHARSET1",         /* 0x00000040 : "CHARSET" - 0x000000e0 */
-	"CHARSET2",         /* 0x00000080 : "CHARSET" - 0x000000e0 */
-	"SPLIT",            /* 0x00000100 */
-	"UNUSED_BIT_9",     /* 0x00000200 */
+	"EXTENDED_MORE",    /* 0x00000010 */
+	"KEEPCOPY",         /* 0x00000020 */
+	"CHARSET0",         /* 0x00000040 : "CHARSET" - 0x000001c0 */
+	"CHARSET1",         /* 0x00000080 : "CHARSET" - 0x000001c0 */
+	"CHARSET2",         /* 0x00000100 : "CHARSET" - 0x000001c0 */
+	"SPLIT",            /* 0x00000200 */
 	"UNUSED_BIT_10",    /* 0x00000400 */
 	"UNUSED_BIT_11",    /* 0x00000800 */
 	"UNUSED_BIT_12",    /* 0x00001000 */