+2006-03-07 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR binutils/2428
+ * gas/i386/i386.exp: Add rep, rep-suffix, x86-64-rep and
+ x86-64-rep-suffix.
+
+ * gas/i386/naked.d: Replace repz with rep.
+ * gas/i386/x86_64.d: Likewise.
+
+ * gas/i386/rep-suffix.d: New file.
+ * gas/i386/rep-suffix.s: Likewise.
+ * gas/i386/rep.d: Likewise.
+ * gas/i386/rep.s: Likewise.
+ * gas/i386/x86-64-rep-suffix.d: Likewise.
+ * gas/i386/x86-64-rep-suffix.s: Likewise.
+ * gas/i386/x86-64-rep.d: Likewise.
+ * gas/i386/x86-64-rep.s: Likewise.
+
2006-03-07 Richard Sandiford <richard@codesourcery.com>
* gas/arm/abs12.s, gas/arm/abs12.d: New test.
run_list_test "cr-err" ""
run_dump_test "svme"
run_dump_test "merom"
+ run_dump_test "rep"
+ run_dump_test "rep-suffix"
# These tests require support for 8 and 16 bit relocs,
# so we only run them for ELF and COFF targets.
run_dump_test "x86-64-drx"
run_dump_test "x86-64-drx-suffix"
run_dump_test "x86-64-merom"
+ run_dump_test "x86-64-rep"
+ run_dump_test "x86-64-rep-suffix"
if { ![istarget "*-*-aix*"]
&& ![istarget "*-*-beos*"]
1b: 8c 2c ed 00 00 00 00 [ ]*movw %gs,0x0\(,%ebp,8\)
22: 26 88 25 00 00 00 00 [ ]*mov %ah,%es:0x0
29: 2e 8b 74 14 80 [ ]*mov %cs:0xffffff80\(%esp,%edx,1\),%esi
- 2e: f3 65 a5 [ ]*repz movsl %gs:\(%esi\),%es:\(%edi\)
+ 2e: f3 65 a5 [ ]*rep movsl %gs:\(%esi\),%es:\(%edi\)
31: ec [ ]*in \(%dx\),%al
32: 66 ef [ ]*out %ax,\(%dx\)
34: 67 d2 14 [ ]*addr16 rclb %cl,\(%si\)
--- /dev/null
+#objdump: -dwMsuffix
+#name: i386 rep prefix (with suffixes)
+
+.*: +file format .*
+
+Disassembly of section .text:
+
+0+000 <_start>:
+ 0: f3 ac[ ]+rep lodsb %ds:\(%esi\),%al
+ 2: f3 aa[ ]+rep stosb %al,%es:\(%edi\)
+ 4: f3 66 ad[ ]+rep lodsw %ds:\(%esi\),%ax
+ 7: f3 66 ab[ ]+rep stosw %ax,%es:\(%edi\)
+ a: f3 ad[ ]+rep lodsl %ds:\(%esi\),%eax
+ c: f3 ab[ ]+rep stosl %eax,%es:\(%edi\)
+#pass
--- /dev/null
+# Disassembling with -Msuffix.
+ .text
+_start:
+ rep lodsb
+ rep stosb
+ rep lodsw
+ rep stosw
+ rep lodsl
+ rep stosl
--- /dev/null
+#objdump: -dw
+#name: i386 rep prefix
+
+.*: +file format .*
+
+Disassembly of section .text:
+
+0+ <_start>:
+ 0: f3 6c[ ]+rep insb \(%dx\),%es:\(%edi\)
+ 2: f3 6e[ ]+rep outsb %ds:\(%esi\),\(%dx\)
+ 4: f3 a4[ ]+rep movsb %ds:\(%esi\),%es:\(%edi\)
+ 6: f3 ac[ ]+rep lods %ds:\(%esi\),%al
+ 8: f3 aa[ ]+rep stos %al,%es:\(%edi\)
+ a: f3 a6[ ]+repz cmpsb %es:\(%edi\),%ds:\(%esi\)
+ c: f3 ae[ ]+repz scas %es:\(%edi\),%al
+ e: f3 66 6d[ ]+rep insw \(%dx\),%es:\(%edi\)
+ 11: f3 66 6f[ ]+rep outsw %ds:\(%esi\),\(%dx\)
+ 14: f3 66 a5[ ]+rep movsw %ds:\(%esi\),%es:\(%edi\)
+ 17: f3 66 ad[ ]+rep lods %ds:\(%esi\),%ax
+ 1a: f3 66 ab[ ]+rep stos %ax,%es:\(%edi\)
+ 1d: f3 66 a7[ ]+repz cmpsw %es:\(%edi\),%ds:\(%esi\)
+ 20: f3 66 af[ ]+repz scas %es:\(%edi\),%ax
+ 23: f3 6d[ ]+rep insl \(%dx\),%es:\(%edi\)
+ 25: f3 6f[ ]+rep outsl %ds:\(%esi\),\(%dx\)
+ 27: f3 a5[ ]+rep movsl %ds:\(%esi\),%es:\(%edi\)
+ 29: f3 ad[ ]+rep lods %ds:\(%esi\),%eax
+ 2b: f3 ab[ ]+rep stos %eax,%es:\(%edi\)
+ 2d: f3 a7[ ]+repz cmpsl %es:\(%edi\),%ds:\(%esi\)
+ 2f: f3 af[ ]+repz scas %es:\(%edi\),%eax
+ 31: f3 67 6c[ ]+rep addr16 insb \(%dx\),%es:\(%di\)
+ 34: f3 67 6e[ ]+rep addr16 outsb %ds:\(%si\),\(%dx\)
+ 37: f3 67 a4[ ]+rep addr16 movsb %ds:\(%si\),%es:\(%di\)
+ 3a: f3 67 ac[ ]+rep addr16 lods %ds:\(%si\),%al
+ 3d: f3 67 aa[ ]+rep addr16 stos %al,%es:\(%di\)
+ 40: f3 67 a6[ ]+repz addr16 cmpsb %es:\(%di\),%ds:\(%si\)
+ 43: f3 67 ae[ ]+repz addr16 scas %es:\(%di\),%al
+ 46: f3 67 66 6d[ ]+rep addr16 insw \(%dx\),%es:\(%di\)
+ 4a: f3 67 66 6f[ ]+rep addr16 outsw %ds:\(%si\),\(%dx\)
+ 4e: f3 67 66 a5[ ]+rep addr16 movsw %ds:\(%si\),%es:\(%di\)
+ 52: f3 67 66 ad[ ]+rep addr16 lods %ds:\(%si\),%ax
+ 56: f3 67 66 ab[ ]+rep addr16 stos %ax,%es:\(%di\)
+ 5a: f3 67 66 a7[ ]+repz addr16 cmpsw %es:\(%di\),%ds:\(%si\)
+ 5e: f3 67 66 af[ ]+repz addr16 scas %es:\(%di\),%ax
+ 62: f3 67 6d[ ]+rep addr16 insl \(%dx\),%es:\(%di\)
+ 65: f3 67 6f[ ]+rep addr16 outsl %ds:\(%si\),\(%dx\)
+ 68: f3 67 a5[ ]+rep addr16 movsl %ds:\(%si\),%es:\(%di\)
+ 6b: f3 67 ad[ ]+rep addr16 lods %ds:\(%si\),%eax
+ 6e: f3 67 ab[ ]+rep addr16 stos %eax,%es:\(%di\)
+ 71: f3 67 a7[ ]+repz addr16 cmpsl %es:\(%di\),%ds:\(%si\)
+ 74: f3 67 af[ ]+repz addr16 scas %es:\(%di\),%eax
--- /dev/null
+ .text
+
+_start:
+ rep insb
+ rep outsb
+ rep movsb
+ rep lodsb
+ rep stosb
+ repz cmpsb
+ repz scasb
+
+ rep insw
+ rep outsw
+ rep movsw
+ rep lodsw
+ rep stosw
+ repz cmpsw
+ repz scasw
+
+ rep insl
+ rep outsl
+ rep movsl
+ rep lodsl
+ rep stosl
+ repz cmpsl
+ repz scasl
+
+ addr16 rep insb
+ addr16 rep outsb
+ addr16 rep movsb
+ addr16 rep lodsb
+ addr16 rep stosb
+ addr16 repz cmpsb
+ addr16 repz scasb
+
+ addr16 rep insw
+ addr16 rep outsw
+ addr16 rep movsw
+ addr16 rep lodsw
+ addr16 rep stosw
+ addr16 repz cmpsw
+ addr16 repz scasw
+
+ addr16 rep insl
+ addr16 rep outsl
+ addr16 rep movsl
+ addr16 rep lodsl
+ addr16 rep stosl
+ addr16 repz cmpsl
+ addr16 repz scasl
--- /dev/null
+#objdump: -dwMsuffix
+#name: x86-64 rep prefix (with suffixes)
+
+.*: +file format .*
+
+Disassembly of section .text:
+
+0+000 <_start>:
+ 0: f3 ac[ ]+rep lodsb %ds:\(%rsi\),%al
+ 2: f3 aa[ ]+rep stosb %al,%es:\(%rdi\)
+ 4: f3 66 ad[ ]+rep lodsw %ds:\(%rsi\),%ax
+ 7: f3 66 ab[ ]+rep stosw %ax,%es:\(%rdi\)
+ a: f3 ad[ ]+rep lodsl %ds:\(%rsi\),%eax
+ c: f3 ab[ ]+rep stosl %eax,%es:\(%rdi\)
+ e: f3 48 ad[ ]+rep lodsq %ds:\(%rsi\),%rax
+ 11: f3 48 ab[ ]+rep stosq %rax,%es:\(%rdi\)
+#pass
--- /dev/null
+# Disassembling with -Msuffix.
+ .text
+_start:
+ rep lodsb
+ rep stosb
+ rep lodsw
+ rep stosw
+ rep lodsl
+ rep stosl
+ rep lodsq
+ rep stosq
--- /dev/null
+#objdump: -dw
+#name: x86-64 rep prefix
+
+.*: +file format .*
+
+Disassembly of section .text:
+
+0+ <_start>:
+ 0: f3 6c[ ]+rep insb \(%dx\),%es:\(%rdi\)
+ 2: f3 6e[ ]+rep outsb %ds:\(%rsi\),\(%dx\)
+ 4: f3 a4[ ]+rep movsb %ds:\(%rsi\),%es:\(%rdi\)
+ 6: f3 ac[ ]+rep lods %ds:\(%rsi\),%al
+ 8: f3 aa[ ]+rep stos %al,%es:\(%rdi\)
+ a: f3 a6[ ]+repz cmpsb %es:\(%rdi\),%ds:\(%rsi\)
+ c: f3 ae[ ]+repz scas %es:\(%rdi\),%al
+ e: f3 66 6d[ ]+rep insw \(%dx\),%es:\(%rdi\)
+ 11: f3 66 6f[ ]+rep outsw %ds:\(%rsi\),\(%dx\)
+ 14: f3 66 a5[ ]+rep movsw %ds:\(%rsi\),%es:\(%rdi\)
+ 17: f3 66 ad[ ]+rep lods %ds:\(%rsi\),%ax
+ 1a: f3 66 ab[ ]+rep stos %ax,%es:\(%rdi\)
+ 1d: f3 66 a7[ ]+repz cmpsw %es:\(%rdi\),%ds:\(%rsi\)
+ 20: f3 66 af[ ]+repz scas %es:\(%rdi\),%ax
+ 23: f3 6d[ ]+rep insl \(%dx\),%es:\(%rdi\)
+ 25: f3 6f[ ]+rep outsl %ds:\(%rsi\),\(%dx\)
+ 27: f3 a5[ ]+rep movsl %ds:\(%rsi\),%es:\(%rdi\)
+ 29: f3 ad[ ]+rep lods %ds:\(%rsi\),%eax
+ 2b: f3 ab[ ]+rep stos %eax,%es:\(%rdi\)
+ 2d: f3 a7[ ]+repz cmpsl %es:\(%rdi\),%ds:\(%rsi\)
+ 2f: f3 af[ ]+repz scas %es:\(%rdi\),%eax
+ 31: f3 48 a5[ ]+rep movsq %ds:\(%rsi\),%es:\(%rdi\)
+ 34: f3 48 ad[ ]+rep lods %ds:\(%rsi\),%rax
+ 37: f3 48 ab[ ]+rep stos %rax,%es:\(%rdi\)
+ 3a: f3 48 a7[ ]+repz cmpsq %es:\(%rdi\),%ds:\(%rsi\)
+ 3d: f3 48 af[ ]+repz scas %es:\(%rdi\),%rax
+ 40: f3 67 6c[ ]+rep addr32 insb \(%dx\),%es:\(%edi\)
+ 43: f3 67 6e[ ]+rep addr32 outsb %ds:\(%esi\),\(%dx\)
+ 46: f3 67 a4[ ]+rep addr32 movsb %ds:\(%esi\),%es:\(%edi\)
+ 49: f3 67 ac[ ]+rep addr32 lods %ds:\(%esi\),%al
+ 4c: f3 67 aa[ ]+rep addr32 stos %al,%es:\(%edi\)
+ 4f: f3 67 a6[ ]+repz addr32 cmpsb %es:\(%edi\),%ds:\(%esi\)
+ 52: f3 67 ae[ ]+repz addr32 scas %es:\(%edi\),%al
+ 55: f3 67 66 6d[ ]+rep addr32 insw \(%dx\),%es:\(%edi\)
+ 59: f3 67 66 6f[ ]+rep addr32 outsw %ds:\(%esi\),\(%dx\)
+ 5d: f3 67 66 a5[ ]+rep addr32 movsw %ds:\(%esi\),%es:\(%edi\)
+ 61: f3 67 66 ad[ ]+rep addr32 lods %ds:\(%esi\),%ax
+ 65: f3 67 66 ab[ ]+rep addr32 stos %ax,%es:\(%edi\)
+ 69: f3 67 66 a7[ ]+repz addr32 cmpsw %es:\(%edi\),%ds:\(%esi\)
+ 6d: f3 67 66 af[ ]+repz addr32 scas %es:\(%edi\),%ax
+ 71: f3 67 6d[ ]+rep addr32 insl \(%dx\),%es:\(%edi\)
+ 74: f3 67 6f[ ]+rep addr32 outsl %ds:\(%esi\),\(%dx\)
+ 77: f3 67 a5[ ]+rep addr32 movsl %ds:\(%esi\),%es:\(%edi\)
+ 7a: f3 67 ad[ ]+rep addr32 lods %ds:\(%esi\),%eax
+ 7d: f3 67 ab[ ]+rep addr32 stos %eax,%es:\(%edi\)
+ 80: f3 67 a7[ ]+repz addr32 cmpsl %es:\(%edi\),%ds:\(%esi\)
+ 83: f3 67 af[ ]+repz addr32 scas %es:\(%edi\),%eax
+ 86: f3 67 48 a5[ ]+rep addr32 movsq %ds:\(%esi\),%es:\(%edi\)
+ 8a: f3 67 48 ad[ ]+rep addr32 lods %ds:\(%esi\),%rax
+ 8e: f3 67 48 ab[ ]+rep addr32 stos %rax,%es:\(%edi\)
+ 92: f3 67 48 a7[ ]+repz addr32 cmpsq %es:\(%edi\),%ds:\(%esi\)
+ 96: f3 67 48 af[ ]+repz addr32 scas %es:\(%edi\),%rax
+#pass
--- /dev/null
+ .text
+
+_start:
+ rep insb
+ rep outsb
+ rep movsb
+ rep lodsb
+ rep stosb
+ repz cmpsb
+ repz scasb
+
+ rep insw
+ rep outsw
+ rep movsw
+ rep lodsw
+ rep stosw
+ repz cmpsw
+ repz scasw
+
+ rep insl
+ rep outsl
+ rep movsl
+ rep lodsl
+ rep stosl
+ repz cmpsl
+ repz scasl
+
+ rep movsq
+ rep lodsq
+ rep stosq
+ repz cmpsq
+ repz scasq
+
+ addr32 rep insb
+ addr32 rep outsb
+ addr32 rep movsb
+ addr32 rep lodsb
+ addr32 rep stosb
+ addr32 repz cmpsb
+ addr32 repz scasb
+
+ addr32 rep insw
+ addr32 rep outsw
+ addr32 rep movsw
+ addr32 rep lodsw
+ addr32 rep stosw
+ addr32 repz cmpsw
+ addr32 repz scasw
+
+ addr32 rep insl
+ addr32 rep outsl
+ addr32 rep movsl
+ addr32 rep lodsl
+ addr32 rep stosl
+ addr32 repz cmpsl
+ addr32 repz scasl
+
+ addr32 rep movsq
+ addr32 rep lodsq
+ addr32 rep stosq
+ addr32 repz cmpsq
+ addr32 repz scasq
[ ]+56: 41 0f 20 c0[ ]+mov[ ]+%cr0,%r8
[ ]+5a: 44 0f 20 c0[ ]+mov[ ]+%cr8,%rax
[ ]+5e: 44 0f 22 c0[ ]+mov[ ]+%rax,%cr8
-[ ]+62: f3 48 a5[ ]+repz movsq %ds:\(%rsi\),%es:\(%rdi\)
-[ ]+65: f3 66 a5[ ]+repz movsw %ds:\(%rsi\),%es:\(%rdi\)
-[ ]+68: f3 48 a5[ ]+repz movsq %ds:\(%rsi\),%es:\(%rdi\)
+[ ]+62: f3 48 a5[ ]+rep movsq %ds:\(%rsi\),%es:\(%rdi\)
+[ ]+65: f3 66 a5[ ]+rep movsw %ds:\(%rsi\),%es:\(%rdi\)
+[ ]+68: f3 48 a5[ ]+rep movsq %ds:\(%rsi\),%es:\(%rdi\)
[ ]+6b: b0 11[ ]+mov[ ]+\$0x11,%al
[ ]+6d: b4 11[ ]+mov[ ]+\$0x11,%ah
[ ]+6f: 40 b4 11[ ]+mov[ ]+\$0x11,%spl
+2006-03-07 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR binutils/2428
+ * i386-dis.c (REP_Fixup): New function.
+ (AL): Remove duplicate.
+ (Xbr): New.
+ (Xvr): Likewise.
+ (Ybr): Likewise.
+ (Yvr): Likewise.
+ (indirDXr): Likewise.
+ (ALr): Likewise.
+ (eAXr): Likewise.
+ (dis386): Updated entries of ins, outs, movs, lods and stos.
+
2006-03-05 Nick Clifton <nickc@redhat.com>
* cgen-ibld.in (insert_normal): Cope with attempts to insert a
static void BadOp (void);
static void SEG_Fixup (int, int);
static void VMX_Fixup (int, int);
+static void REP_Fixup (int, int);
struct dis_private {
/* Points to first byte not fetched. */
#define eSI OP_IMREG, eSI_reg
#define eDI OP_IMREG, eDI_reg
#define AL OP_IMREG, al_reg
-#define AL OP_IMREG, al_reg
#define CL OP_IMREG, cl_reg
#define DL OP_IMREG, dl_reg
#define BL OP_IMREG, bl_reg
#define OPSUF OP_3DNowSuffix, 0
#define OPSIMD OP_SIMD_Suffix, 0
+/* Used handle "rep" prefix for string instructions. */
+#define Xbr REP_Fixup, eSI_reg
+#define Xvr REP_Fixup, eSI_reg
+#define Ybr REP_Fixup, eDI_reg
+#define Yvr REP_Fixup, eDI_reg
+#define indirDXr REP_Fixup, indir_dx_reg
+#define ALr REP_Fixup, al_reg
+#define eAXr REP_Fixup, eAX_reg
+
#define cond_jump_flag NULL, cond_jump_mode
#define loop_jcxz_flag NULL, loop_jcxz_mode
{ "imulS", Gv, Ev, Iv },
{ "pushT", sIb, XX, XX },
{ "imulS", Gv, Ev, sIb },
- { "ins{b||b|}", Yb, indirDX, XX },
- { "ins{R||R|}", Yv, indirDX, XX },
- { "outs{b||b|}", indirDX, Xb, XX },
- { "outs{R||R|}", indirDX, Xv, XX },
+ { "ins{b||b|}", Ybr, indirDX, XX },
+ { "ins{R||R|}", Yvr, indirDX, XX },
+ { "outs{b||b|}", indirDXr, Xb, XX },
+ { "outs{R||R|}", indirDXr, Xv, XX },
/* 70 */
{ "joH", Jb, XX, cond_jump_flag },
{ "jnoH", Jb, XX, cond_jump_flag },
{ "movS", eAX, Ov, XX },
{ "movB", Ob, AL, XX },
{ "movS", Ov, eAX, XX },
- { "movs{b||b|}", Yb, Xb, XX },
- { "movs{R||R|}", Yv, Xv, XX },
+ { "movs{b||b|}", Ybr, Xb, XX },
+ { "movs{R||R|}", Yvr, Xv, XX },
{ "cmps{b||b|}", Xb, Yb, XX },
{ "cmps{R||R|}", Xv, Yv, XX },
/* a8 */
{ "testB", AL, Ib, XX },
{ "testS", eAX, Iv, XX },
- { "stosB", Yb, AL, XX },
- { "stosS", Yv, eAX, XX },
- { "lodsB", AL, Xb, XX },
- { "lodsS", eAX, Xv, XX },
+ { "stosB", Ybr, AL, XX },
+ { "stosS", Yvr, eAX, XX },
+ { "lodsB", ALr, Xb, XX },
+ { "lodsS", eAXr, Xv, XX },
{ "scasB", AL, Yb, XX },
{ "scasS", eAX, Yv, XX },
/* b0 */
strcpy (obuf, "vmptrld");
OP_E (bytemode, sizeflag);
}
+
+static void
+REP_Fixup (int bytemode, int sizeflag)
+{
+ /* The 0xf3 prefix should be displayed as "rep" for ins, outs, movs,
+ lods and stos. */
+ size_t ilen = 0;
+
+ if (prefixes & PREFIX_REPZ)
+ switch (*insn_codep)
+ {
+ case 0x6e: /* outsb */
+ case 0x6f: /* outsw/outsl */
+ case 0xa4: /* movsb */
+ case 0xa5: /* movsw/movsl/movsq */
+ if (!intel_syntax)
+ ilen = 5;
+ else
+ ilen = 4;
+ break;
+ case 0xaa: /* stosb */
+ case 0xab: /* stosw/stosl/stosq */
+ case 0xac: /* lodsb */
+ case 0xad: /* lodsw/lodsl/lodsq */
+ if (!intel_syntax && (sizeflag & SUFFIX_ALWAYS))
+ ilen = 5;
+ else
+ ilen = 4;
+ break;
+ case 0x6c: /* insb */
+ case 0x6d: /* insl/insw */
+ if (!intel_syntax)
+ ilen = 4;
+ else
+ ilen = 3;
+ break;
+ default:
+ abort ();
+ break;
+ }
+
+ if (ilen != 0)
+ {
+ size_t olen;
+ char *p;
+
+ olen = strlen (obuf);
+ p = obuf + olen - ilen - 1 - 4;
+ /* Handle "repz [addr16|addr32]". */
+ if ((prefixes & PREFIX_ADDR))
+ p -= 1 + 6;
+
+ memmove (p + 3, p + 4, olen - (p + 3 - obuf));
+ }
+
+ switch (bytemode)
+ {
+ case al_reg:
+ case eAX_reg:
+ case indir_dx_reg:
+ OP_IMREG (bytemode, sizeflag);
+ break;
+ case eDI_reg:
+ OP_ESreg (bytemode, sizeflag);
+ break;
+ case eSI_reg:
+ OP_DSreg (bytemode, sizeflag);
+ break;
+ default:
+ abort ();
+ break;
+ }
+}
projects / deliverable / binutils-gdb.git / commitdiff
