From d285268e489645807d4e96e3b50bb3bf068d3e5f Mon Sep 17 00:00:00 2001
From: DJ Delorie <dj@redhat.com>
Date: Thu, 28 May 2009 22:53:08 +0000
Subject: [PATCH] [cgen] 	* cpu/mep.opc (parse_signed16_range): New. 
 (parse_unsigned16_range): New. 	* cpu/mep-ivc2.cpu (imm16p0,
 simm16p0): Use them. [opcodes] 	* mep-asm.c: Regenerate. 	*
 mep-desc.c: Regenerate.

---
 opcodes/ChangeLog  |  5 +++++
 opcodes/mep-asm.c  | 46 ++++++++++++++++++++++++++++++++++++++++++++--
 opcodes/mep-desc.c |  4 ++--
 3 files changed, 51 insertions(+), 4 deletions(-)

diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog
index 7a48ec9094f..200ddfca88c 100644
--- a/opcodes/ChangeLog
+++ b/opcodes/ChangeLog
@@ -1,3 +1,8 @@
+2009-05-28  DJ Delorie  <dj@redhat.com>
+
+	* mep-asm.c: Regenerate.
+	* mep-desc.c: Regenerate.
+
 2009-05-26  DJ Delorie  <dj@redhat.com>
 
 	* mep-asm.c: Regenerate.
diff --git a/opcodes/mep-asm.c b/opcodes/mep-asm.c
index b0546f463c0..9843cf7504c 100644
--- a/opcodes/mep-asm.c
+++ b/opcodes/mep-asm.c
@@ -61,7 +61,9 @@ static const char * parse_insn_normal
        const char * parse_mep_align  (CGEN_CPU_DESC, const char **, enum cgen_operand_type, long *);
        const char * parse_mep_alignu (CGEN_CPU_DESC, const char **, enum cgen_operand_type, unsigned long *);
 static const char * parse_signed16   (CGEN_CPU_DESC, const char **, int, long *);
+static const char * parse_signed16_range   (CGEN_CPU_DESC, const char **, int, long *);
 static const char * parse_unsigned16 (CGEN_CPU_DESC, const char **, int, unsigned long *);
+static const char * parse_unsigned16_range (CGEN_CPU_DESC, const char **, int, unsigned long *);
 static const char * parse_lo16       (CGEN_CPU_DESC, const char **, int, long *, long);
 static const char * parse_unsigned7  (CGEN_CPU_DESC, const char **, enum cgen_operand_type, unsigned long *);
 static const char * parse_zero       (CGEN_CPU_DESC, const char **, int, long *);
@@ -316,6 +318,46 @@ parse_unsigned16 (CGEN_CPU_DESC cd,
   return parse_lo16 (cd, strp, opindex, (long *) valuep, 0);
 }
 
+static const char *
+parse_signed16_range (CGEN_CPU_DESC cd,
+		      const char **strp,
+		      int opindex,
+		      signed long *valuep)
+{
+  const char *errmsg = 0;
+  signed long value;
+
+  errmsg = cgen_parse_signed_integer (cd, strp, opindex, & value);
+  if (errmsg)
+    return errmsg;
+
+  if (value < -32768 || value > 32767)
+    return _("Immediate is out of range -32768 to 32767");
+
+  *valuep = value;
+  return 0;
+}
+
+static const char *
+parse_unsigned16_range (CGEN_CPU_DESC cd,
+			const char **strp,
+			int opindex,
+			unsigned long *valuep)
+{
+  const char *errmsg = 0;
+  unsigned long value;
+
+  errmsg = cgen_parse_unsigned_integer (cd, strp, opindex, & value);
+  if (errmsg)
+    return errmsg;
+
+  if (value > 65535)
+    return _("Immediate is out of range 0 to 65535");
+
+  *valuep = value;
+  return 0;
+}
+
 /* A special case of parse_signed16 which accepts only the value zero.  */
 
 static const char *
@@ -906,7 +948,7 @@ mep_cgen_parse_operand (CGEN_CPU_DESC cd,
       errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_csr, & junk);
       break;
     case MEP_OPERAND_IMM16P0 :
-      errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_IMM16P0, (unsigned long *) (& fields->f_ivc2_imm16p0));
+      errmsg = parse_unsigned16_range (cd, strp, MEP_OPERAND_IMM16P0, (unsigned long *) (& fields->f_ivc2_imm16p0));
       break;
     case MEP_OPERAND_IMM3P12 :
       errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_IMM3P12, (unsigned long *) (& fields->f_ivc2_3u12));
@@ -1104,7 +1146,7 @@ mep_cgen_parse_operand (CGEN_CPU_DESC cd,
       errmsg = parse_signed16 (cd, strp, MEP_OPERAND_SIMM16, (long *) (& fields->f_16s16));
       break;
     case MEP_OPERAND_SIMM16P0 :
-      errmsg = cgen_parse_signed_integer (cd, strp, MEP_OPERAND_SIMM16P0, (long *) (& fields->f_ivc2_simm16p0));
+      errmsg = parse_signed16_range (cd, strp, MEP_OPERAND_SIMM16P0, (long *) (& fields->f_ivc2_simm16p0));
       break;
     case MEP_OPERAND_SIMM6 :
       errmsg = cgen_parse_signed_integer (cd, strp, MEP_OPERAND_SIMM6, (long *) (& fields->f_6s8));
diff --git a/opcodes/mep-desc.c b/opcodes/mep-desc.c
index 7c8510e4b39..b773e4b3e19 100644
--- a/opcodes/mep-desc.c
+++ b/opcodes/mep-desc.c
@@ -1335,11 +1335,11 @@ const CGEN_OPERAND mep_cgen_operand_table[] =
   { "ivc-x-0-5", MEP_OPERAND_IVC_X_0_5, HW_H_UINT, 0, 5,
     { 0, { (const PTR) &mep_cgen_ifld_table[MEP_F_IVC2_5U0] } }, 
     { 0, { { { (1<<MACH_BASE), 0 } }, { { 1, "\xfc" } }, { { CDATA_LONG, 0 } }, { { 1, 0 } } } }  },
-/* imm16p0: Imm16p0 */
+/* imm16p0: comment */
   { "imm16p0", MEP_OPERAND_IMM16P0, HW_H_UINT, 0, 16,
     { 2, { (const PTR) &MEP_F_IVC2_IMM16P0_MULTI_IFIELD[0] } }, 
     { 0|A(VIRTUAL), { { { (1<<MACH_BASE), 0 } }, { { 1, "\xfc" } }, { { CDATA_LONG, 0 } }, { { 1, 0 } } } }  },
-/* simm16p0: sImm16p0 */
+/* simm16p0: comment */
   { "simm16p0", MEP_OPERAND_SIMM16P0, HW_H_SINT, 0, 16,
     { 2, { (const PTR) &MEP_F_IVC2_SIMM16P0_MULTI_IFIELD[0] } }, 
     { 0|A(VIRTUAL), { { { (1<<MACH_BASE), 0 } }, { { 1, "\xfc" } }, { { CDATA_LONG, 0 } }, { { 1, 0 } } } }  },
-- 
2.30.2