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distrib > Scientific%20Linux > 5x > x86_64 > by-pkgid > 2d90043b13276068183192611a7e1cb7 > files > 10

binutils-2.17.50.0.6-5.el5.src.rpm

2006-10-23  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>

opcodes/
	* i386-dis.c (dis386): Add support for the change in POPCNT opcode in 
	amdfam10 architecture.
	(PREGRP37): NEW.
	(print_insn): Disallow REP prefix for POPCNT.
include/
	* i386.h :  Modify opcode to support for the change in POPCNT opcode 
	in amdfam10 architecture.
gas/
	* doc/c-i386.texi : Document amdfam10,.sse4a and .abm in cpu_type.
gas/testsuite/
	* gas/i386/amdfam10.d : Modify to support for the change in POPCNT
	opcode in amdfam10 architecture.
	* gas/i386/x86-64-amdfam10.d : Ditto.
	 
--- opcodes/i386-dis.c	24 Sep 2006 17:25:47 -0000	1.89
+++ opcodes/i386-dis.c	23 Oct 2006 22:53:29 -0000	1.90
@@ -471,6 +471,8 @@ fetch_data (struct disassemble_info *inf
 #define PREGRP34  NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 34, NULL, 0, NULL, 0
 #define PREGRP35  NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 35, NULL, 0, NULL, 0
 #define PREGRP36  NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 36, NULL, 0, NULL, 0
+#define PREGRP37  NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 37, NULL, 0, NULL, 0
+
 
 #define X86_64_0  NULL, NULL, X86_64_SPECIAL, NULL,  0, NULL, 0, NULL, 0
 
@@ -1028,7 +1030,7 @@ static const struct dis386 dis386_twobyt
   { "movz{bR|x|bR|x}",	Gv, Eb, XX, XX },
   { "movz{wR|x|wR|x}",	Gv, Ew, XX, XX }, /* yes, there really is movzww ! */
   /* b8 */
-  { "popcntS",          Gv, Ev, XX, XX },
+  { PREGRP37 },
   { "ud2b",		XX, XX, XX, XX },
   { GRP8 },
   { "btcS",		Ev, Gv, XX, XX },
@@ -1820,6 +1822,13 @@ static const struct dis386 prefix_user_t
     { "(bad)",  XX, XX, XX, XX },
   },
 
+  /* PREGRP37 */
+  {
+    { "(bad)",  XX, XX, XX, XX },
+    { "popcntS",Gv, Ev, XX, XX },
+    { "(bad)",  XX, XX, XX, XX },
+    { "(bad)",  XX, XX, XX, XX },    
+  },
 };
 
 static const struct dis386 x86_64_table[][2] = {
@@ -2827,13 +2836,14 @@ print_insn (bfd_vma pc, disassemble_info
       uses_LOCK_prefix = 0;
     }
   
-  /*"lzcnt"=0xBD is the only non-sse instruction which uses F3 in the opcode without any "rep(z|nz)"*/
-  if (!uses_SSE_prefix && (prefixes & PREFIX_REPZ) && *codep !=0xBD)
+  /*"lzcnt"=0xBD and "popcnt"=0xB8 are the only two non-sse 
+    instruction which uses F3 in the opcode without any "rep(z|nz)"*/
+  if (!uses_SSE_prefix && (prefixes & PREFIX_REPZ) && *codep != 0xBD && *codep != 0xB8)
     {
       oappend ("repz ");
       used_prefixes |= PREFIX_REPZ;
     }
-  if (!uses_SSE_prefix && (prefixes & PREFIX_REPNZ) && *codep !=0xBD)
+  if (!uses_SSE_prefix && (prefixes & PREFIX_REPNZ) && *codep != 0xBD && *codep != 0xB8)
     {
       oappend ("repnz ");
       used_prefixes |= PREFIX_REPNZ;
--- include/opcode/i386.h	28 Sep 2006 14:06:36 -0000	1.71
+++ include/opcode/i386.h	23 Oct 2006 22:53:28 -0000	1.72
@@ -1472,7 +1472,7 @@ static const template i386_optab[] =
 {"insertq",  4, 0xf20f78,  X, CpuSSE4a, NoSuf|IgnoreSize|Modrm, { Imm8, Imm8, RegXMM, RegXMM} },
 
 /* ABM instructions */
-{"popcnt",   2,   0x0fb8,  X, CpuABM, wlq_Suf|Modrm,          { WordReg|WordMem, WordReg, 0} },
+{"popcnt",   2, 0xf30fb8,  X, CpuABM, wlq_Suf|Modrm,          { WordReg|WordMem, WordReg, 0} },
 {"lzcnt",    2, 0xf30fbd,  X, CpuABM, wlq_Suf|Modrm,          { WordReg|WordMem, WordReg, 0} },
 
 
--- gas/doc/c-i386.texi	28 Sep 2006 14:06:36 -0000	1.16
+++ gas/doc/c-i386.texi	23 Oct 2006 22:53:28 -0000	1.17
@@ -753,10 +753,11 @@ supported on the CPU specified.  The cho
 @item @samp{i486} @tab @samp{i586} @tab @samp{i686} @tab @samp{pentium}
 @item @samp{pentiumpro} @tab @samp{pentiumii} @tab @samp{pentiumiii} @tab @samp{pentium4}
 @item @samp{prescott} @tab @samp{nocona} @tab @samp{core} @tab @samp{core2}
+@item @samp{amdfam10}
 @item @samp{k6} @tab @samp{athlon} @tab @samp{sledgehammer} @tab @samp{k8} 
 @item @samp{.mmx} @tab @samp{.sse} @tab @samp{.sse2} @tab @samp{.sse3}
-@item @samp{.3dnow} @tab @samp{.3dnowa} @tab @samp{.padlock} @tab @samp{.pacifica}
-@item @samp{.svme}
+@item @samp{.sse4a} @tab @samp{.3dnow} @tab @samp{.3dnowa} @tab @samp{.padlock}
+@item @samp{.pacifica} @tab @samp{.svme} @tab @samp{.abm}
 @end multitable
 
 Apart from the warning, there are only two other effects on
--- gas/testsuite/gas/i386/amdfam10.d	20 Jul 2006 23:09:32 -0000	1.2
+++ gas/testsuite/gas/i386/amdfam10.d	23 Oct 2006 22:53:28 -0000	1.3
@@ -10,15 +10,14 @@ Disassembly of section .text:
    4:	f3 66 0f bd 19[ 	 ]+lzcnt  \(%ecx\),%bx
    9:	f3 0f bd d9[ 	 ]+lzcnt  %ecx,%ebx
    d:	f3 66 0f bd d9[ 	 ]+lzcnt  %cx,%bx
-  12:	0f b8 19[ 	]+popcnt \(%ecx\),%ebx
-  15:	66 0f b8 19[ 	]+popcnt \(%ecx\),%bx
-  19:	0f b8 d9[ 	]+popcnt %ecx,%ebx
-  1c:	66 0f b8 d9[ 	]+popcnt %cx,%bx
-  20:	66 0f 79 ca[ 	]+extrq  %xmm2,%xmm1
-  24:	66 0f 78 c1 02 04[ 	]*extrq  \$0x4,\$0x2,%xmm1
-  2a:	f2 0f 79 ca[ 	]+insertq %xmm2,%xmm1
-  2e:	f2 0f 78 ca 02 04[ 	]*insertq \$0x4,\$0x2,%xmm2,%xmm1
-  34:	f2 0f 2b 09[ 	]+movntsd %xmm1,\(%ecx\)
-  38:	f3 0f 2b 09[ 	]+movntss %xmm1,\(%ecx\)
-  3c:	00 00 [ 	]+add    %al,\(%eax\)
-	...
+  12:	f3 0f b8 19[ 	]+popcnt \(%ecx\),%ebx
+  16:	f3 66 0f b8 19[ 	]+popcnt \(%ecx\),%bx
+  1b:	f3 0f b8 d9[ 	]+popcnt %ecx,%ebx
+  1f:	f3 66 0f b8 d9[ 	]+popcnt %cx,%bx
+  24:	66 0f 79 ca[ 	]+extrq  %xmm2,%xmm1
+  28:	66 0f 78 c1 02 04[ 	]*extrq  \$0x4,\$0x2,%xmm1
+  2e:	f2 0f 79 ca[ 	]+insertq %xmm2,%xmm1
+  32:	f2 0f 78 ca 02 04[ 	]*insertq \$0x4,\$0x2,%xmm2,%xmm1
+  38:	f2 0f 2b 09[ 	]+movntsd %xmm1,\(%ecx\)
+  3c:	f3 0f 2b 09[ 	]+movntss %xmm1,\(%ecx\)
+
--- gas/testsuite/gas/i386/x86-64-amdfam10.d	20 Jul 2006 23:09:32 -0000	1.2
+++ gas/testsuite/gas/i386/x86-64-amdfam10.d	23 Oct 2006 22:53:28 -0000	1.3
@@ -12,16 +12,16 @@ Disassembly of section .text:
    e:	f3 48 0f bd d9[ 	]+lzcnt  %rcx,%rbx
   13:	f3 0f bd d9[ 	]+lzcnt  %ecx,%ebx
   17:	f3 66 0f bd d9[ 	]+lzcnt  %cx,%bx
-  1c:	48 0f b8 19[ 	]+popcnt \(%rcx\),%rbx
-  20:	0f b8 19[ 	]+popcnt \(%rcx\),%ebx
-  23:	66 0f b8 19[ 	]+popcnt \(%rcx\),%bx
-  27:	48 0f b8 d9[ 	]+popcnt %rcx,%rbx
-  2b:	0f b8 d9[ 	]+popcnt %ecx,%ebx
-  2e:	66 0f b8 d9[ 	]+popcnt %cx,%bx
-  32:	66 0f 79 ca[ 	]+extrq  %xmm2,%xmm1
-  36:	66 0f 78 c1 02 04[ 	]+extrq  \$0x4,\$0x2,%xmm1
-  3c:	f2 0f 79 ca[ 	]+insertq %xmm2,%xmm1
-  40:	f2 0f 78 ca 02 04[ 	]+insertq \$0x4,\$0x2,%xmm2,%xmm1
-  46:	f2 0f 2b 09[ 	]+movntsd %xmm1,\(%rcx\)
-  4a:	f3 0f 2b 09[ 	]+movntss %xmm1,\(%rcx\)
+  1c:	f3 48 0f b8 19[ 	]+popcnt \(%rcx\),%rbx
+  21:	f3 0f b8 19[ 	]+popcnt \(%rcx\),%ebx
+  25:	f3 66 0f b8 19[ 	]+popcnt \(%rcx\),%bx
+  2a:	f3 48 0f b8 d9[ 	]+popcnt %rcx,%rbx
+  2f:	f3 0f b8 d9[ 	]+popcnt %ecx,%ebx
+  33:	f3 66 0f b8 d9[ 	]+popcnt %cx,%bx
+  38:	66 0f 79 ca[ 	]+extrq  %xmm2,%xmm1
+  3c:	66 0f 78 c1 02 04[ 	]+extrq  \$0x4,\$0x2,%xmm1
+  42:	f2 0f 79 ca[ 	]+insertq %xmm2,%xmm1
+  46:	f2 0f 78 ca 02 04[ 	]+insertq \$0x4,\$0x2,%xmm2,%xmm1
+  4c:	f2 0f 2b 09[ 	]+movntsd %xmm1,\(%rcx\)
+  50:	f3 0f 2b 09[ 	]+movntss %xmm1,\(%rcx\)
 	...

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