Add Intel SSE4 support to disassembler.

3 files changed, 63 insertions, 2 deletions

diff --git a/libcpu/ChangeLog b/libcpu/ChangeLog
index 5bc89f9f..4b94d26a 100644
--- a/libcpu/ChangeLog
+++ b/libcpu/ChangeLog
@@ -1,5 +1,18 @@
+2009-01-01  Ulrich Drepper  <drepper@redhat.com>
+
+	* i386_disasm.c (i386_disasm): Reset bufcnt when not matched.  We
+	don't expect snprintf to fail.
+
 2008-12-31  Ulrich Drepper  <drepper@redhat.com>
 
+	* defs/i386: Add dppd, dpps, insertps, movntdqa, mpsadbw, packusdw,
+	pblendvb, pblendw, pcmpeqq, pcmpestri, pcmpestrm, pcmpistri, pcmpistrm,
+	pcmpgtq, phminposuw, pinsrb, pinsrd, pmaxsb, pmaxsd, pmaxud, pmaxuw,
+	pminsb, pminsd, pminud, pminuw, pmovsxbw, pmovsxbd, pmovsxbq, pmovsxwd,
+	pmovsxwq, pmovsxdq, pmovzxbw, pmovzxbd, pmovzxbq, pmovzxwd, pmovzxwq,
+	pmovzxdq, pmuldq, pmulld, popcnt, ptest, roundss, roundps, roundpd,
+	and roundsd opcodes.
+
 	* i386_disasm.c (i386_disasm): Correct resizing of buffer.
 
 	* i386_parse.y (struct argstring): Add off element.
diff --git a/libcpu/defs/i386 b/libcpu/defs/i386
index d928a4d8..e0db28dc 100644
--- a/libcpu/defs/i386
+++ b/libcpu/defs/i386
@@ -437,6 +437,9 @@ ifdef(`i386',
 ',
 `10010000:INVALID
 ')dnl
+# ORDER before out
+11110011,00001111,10111000,{mod}{reg}{r_m}:popcnt {mod}{r_m},{reg}
+# END ORDER
 1111011{w},{mod}010{r_m}:not{w} {mod}{r_m}{w}
 0000100{w},{mod}{reg}{r_m}:or {reg}{w},{mod}{r_m}{w}
 0000101{w},{mod}{reg}{r_m}:or {mod}{r_m}{w},{reg}{w}
@@ -916,6 +919,51 @@ ifdef(`i386',
 01100110,00001111,00111010,00001101,{Mod}{xmmreg}{R_m},{imm8}:blendpd {imm8},{Mod}{R_m},{xmmreg}
 01100110,00001111,00111000,00010100,{Mod}{xmmreg}{R_m}:blendvps %xmm0,{Mod}{R_m},{xmmreg}
 01100110,00001111,00111000,00010101,{Mod}{xmmreg}{R_m}:blendvpd %xmm0,{Mod}{R_m},{xmmreg}
+01100110,00001111,00111010,01000000,{Mod}{xmmreg}{R_m},{imm8}:dpps {imm8},{Mod}{R_m},{xmmreg}
+01100110,00001111,00111010,01000001,{Mod}{xmmreg}{R_m},{imm8}:dppd {imm8},{Mod}{R_m},{xmmreg}
+01100110,00001111,00111010,00100001,{Mod}{xmmreg}{R_m},{imm8}:insertps {imm8},{Mod}{R_m},{xmmreg}
+# Mod == 11 is not valid
+01100110,00001111,00111000,00101010,{Mod}{xmmreg}{R_m}:movntdqa {Mod}{R_m},{xmmreg}
+01100110,00001111,00111010,01000010,{Mod}{xmmreg}{R_m},{imm8}:mpsadbw {imm8},{Mod}{R_m},{xmmreg}
+01100110,00001111,00111000,00101011,{Mod}{xmmreg}{R_m}:packusdw {Mod}{R_m},{xmmreg}
+01100110,00001111,00111000,00010000,{Mod}{xmmreg}{R_m}:pblendvb %xmm0,{Mod}{R_m},{xmmreg}
+01100110,00001111,00111010,00001110,{Mod}{xmmreg}{R_m},{imm8}:pblendw {imm8},{Mod}{R_m},{xmmreg}
+01100110,00001111,00111000,00101001,{Mod}{xmmreg}{R_m}:pcmpeqq {Mod}{R_m},{xmmreg}
+01100110,00001111,00111010,01100001,{Mod}{xmmreg}{R_m},{imm8}:pcmpestri {imm8},{Mod}{R_m},{xmmreg}
+01100110,00001111,00111010,01100000,{Mod}{xmmreg}{R_m},{imm8}:pcmpestrm {imm8},{Mod}{R_m},{xmmreg}
+01100110,00001111,00111010,01100011,{Mod}{xmmreg}{R_m},{imm8}:pcmpistri {imm8},{Mod}{R_m},{xmmreg}
+01100110,00001111,00111010,01100010,{Mod}{xmmreg}{R_m},{imm8}:pcmpistrm {imm8},{Mod}{R_m},{xmmreg}
+01100110,00001111,00111000,00110111,{Mod}{xmmreg}{R_m}:pcmpgtq {Mod}{R_m},{xmmreg}
+01100110,00001111,00111000,01000001,{Mod}{xmmreg}{R_m}:phminposuw {Mod}{R_m},{xmmreg}
+01100110,00001111,00111010,00100000,{mod}{xmmreg}{r_m},{imm8}:pinsrb {imm8},{mod}{r_m},{xmmreg}
+01100110,00001111,00111010,00100010,{mod}{xmmreg}{r_m},{imm8}:pinsrd {imm8},{mod}{r_m},{xmmreg}
+01100110,00001111,00111000,00111100,{Mod}{xmmreg}{R_m}:pmaxsb {Mod}{R_m},{xmmreg}
+01100110,00001111,00111000,00111101,{Mod}{xmmreg}{R_m}:pmaxsd {Mod}{R_m},{xmmreg}
+01100110,00001111,00111000,00111111,{Mod}{xmmreg}{R_m}:pmaxud {Mod}{R_m},{xmmreg}
+01100110,00001111,00111000,00111110,{Mod}{xmmreg}{R_m}:pmaxuw {Mod}{R_m},{xmmreg}
+01100110,00001111,00111000,00111000,{Mod}{xmmreg}{R_m}:pminsb {Mod}{R_m},{xmmreg}
+01100110,00001111,00111000,00111001,{Mod}{xmmreg}{R_m}:pminsd {Mod}{R_m},{xmmreg}
+01100110,00001111,00111000,00111011,{Mod}{xmmreg}{R_m}:pminud {Mod}{R_m},{xmmreg}
+01100110,00001111,00111000,00111010,{Mod}{xmmreg}{R_m}:pminuw {Mod}{R_m},{xmmreg}
+01100110,00001111,00111000,00100000,{Mod}{xmmreg}{R_m}:pmovsxbw {Mod}{R_m},{xmmreg}
+01100110,00001111,00111000,00100001,{Mod}{xmmreg}{R_m}:pmovsxbd {Mod}{R_m},{xmmreg}
+01100110,00001111,00111000,00100010,{Mod}{xmmreg}{R_m}:pmovsxbq {Mod}{R_m},{xmmreg}
+01100110,00001111,00111000,00100011,{Mod}{xmmreg}{R_m}:pmovsxwd {Mod}{R_m},{xmmreg}
+01100110,00001111,00111000,00100100,{Mod}{xmmreg}{R_m}:pmovsxwq {Mod}{R_m},{xmmreg}
+01100110,00001111,00111000,00100101,{Mod}{xmmreg}{R_m}:pmovsxdq {Mod}{R_m},{xmmreg}
+01100110,00001111,00111000,00110000,{Mod}{xmmreg}{R_m}:pmovzxbw {Mod}{R_m},{xmmreg}
+01100110,00001111,00111000,00110001,{Mod}{xmmreg}{R_m}:pmovzxbd {Mod}{R_m},{xmmreg}
+01100110,00001111,00111000,00110010,{Mod}{xmmreg}{R_m}:pmovzxbq {Mod}{R_m},{xmmreg}
+01100110,00001111,00111000,00110011,{Mod}{xmmreg}{R_m}:pmovzxwd {Mod}{R_m},{xmmreg}
+01100110,00001111,00111000,00110100,{Mod}{xmmreg}{R_m}:pmovzxwq {Mod}{R_m},{xmmreg}
+01100110,00001111,00111000,00110101,{Mod}{xmmreg}{R_m}:pmovzxdq {Mod}{R_m},{xmmreg}
+01100110,00001111,00111000,00101000,{Mod}{xmmreg}{R_m}:pmuldq {Mod}{R_m},{xmmreg}
+01100110,00001111,00111000,01000000,{Mod}{xmmreg}{R_m}:pmulld {Mod}{R_m},{xmmreg}
+01100110,00001111,00111000,00010111,{Mod}{xmmreg}{R_m}:ptest {Mod}{R_m},{xmmreg}
+01100110,00001111,00111010,00001000,{Mod}{xmmreg}{R_m},{imm8}:roundps {imm8},{Mod}{R_m},{xmmreg}
+01100110,00001111,00111010,00001001,{Mod}{xmmreg}{R_m},{imm8}:roundpd {imm8},{Mod}{R_m},{xmmreg}
+01100110,00001111,00111010,00001010,{Mod}{xmmreg}{R_m},{imm8}:roundss {imm8},{Mod}{R_m},{xmmreg}
+01100110,00001111,00111010,00001011,{Mod}{xmmreg}{R_m},{imm8}:roundsd {imm8},{Mod}{R_m},{xmmreg}
 # ORDER:
 dnl Many previous entries depend on this being last.
 000{sreg2}111:pop {sreg2}
diff --git a/libcpu/i386_disasm.c b/libcpu/i386_disasm.c
index 76b5a393..a656cdb4 100644
--- a/libcpu/i386_disasm.c
+++ b/libcpu/i386_disasm.c
@@ -408,6 +408,7 @@ i386_disasm (const uint8_t **startp, const uint8_t *end, GElf_Addr addr,
 		not:
 		  curr = start + 2 * len;
 		  ++cnt;
+		  bufcnt = 0;
 		  goto next_match;
 		}
 
@@ -984,8 +985,7 @@ i386_disasm (const uint8_t **startp, const uint8_t *end, GElf_Addr addr,
 			r = snprintf (&buf[bufcnt], bufavail, "# %#" PRIx64,
 				      (uint64_t) symaddr);
 
-		      if (r < 0)
-			goto not;
+		      assert (r >= 0);
 		      if ((size_t) r >= bufavail)
 			goto enomem;
 		      bufcnt += r;