x86: simplify decode of opcodes valid with (embedded) 66 prefix only

[deliverable/binutils-gdb.git] / gas / testsuite / gas / i386 / prefix.d

diff --git a/gas/testsuite/gas/i386/prefix.d b/gas/testsuite/gas/i386/prefix.d
index 054b658a3cf8958092beab5e071da7c2ebe68bf2..58bf8b3bbc00853fc93dabbfbb41d3f489c6c7d3 100644 (file)
--- a/gas/testsuite/gas/i386/prefix.d
+++ b/gas/testsuite/gas/i386/prefix.d
@@ -5,11 +5,92 @@
 
 Disassembly of section .text:
 
-0+000 <foo>:
-   0:  9b 67 26 d9 3c [        ]*addr16 fstcw %es:\(%si\)
-   5:  9b df e0 [      ]*fstsw  %ax
-   8:  9b df e0 [      ]*fstsw  %ax
-   b:  9b df e0 [      ]*fstsw  %ax
-   e:  9b 67 df e0 [   ]*addr16 fstsw %ax
-  12:  f3 67 66 36 a7 [        ]*repz addr16 cmpsw %es:\(%di\),%ss:\(%si\)
-       ...
+0+ <foo>:
+[      ]*[a-f0-9]+:    9b 26 67 d9 3c          fstcw  %es:\(%si\)
+[      ]*[a-f0-9]+:    9b df e0                fstsw  %ax
+[      ]*[a-f0-9]+:    9b df e0                fstsw  %ax
+[      ]*[a-f0-9]+:    9b 67 df e0             addr16 fstsw %ax
+[      ]*[a-f0-9]+:    36 67 66 f3 a7          repz cmpsw %es:\(%di\),%ss:\(%si\)
+[      ]*[a-f0-9]+:    26 9b                   es fwait
+[      ]*[a-f0-9]+:    9b                      fwait
+[      ]*[a-f0-9]+:    65 c7 05 00 00 00 00 00 00 00 00        movl   \$0x0,%gs:0x0
+[      ]*[a-f0-9]+:    66 f2 0f 38 17          \(bad\)
+[      ]*[a-f0-9]+:    f2 66 0f 54             \(bad\)
+[      ]*[a-f0-9]+:    f2 0f 54                \(bad\)
+[      ]*[a-f0-9]+:    f2 66 0f 11 22          data16 movsd %xmm4,\(%edx\)
+[      ]*[a-f0-9]+:    f2 67 66 0f 11 22       data16 movsd %xmm4,\(%bp,%si\)
+[      ]*[a-f0-9]+:    f2 67 f0 66 0f 11 22    lock data16 movsd %xmm4,\(%bp,%si\)
+[      ]*[a-f0-9]+:    f3 66 0f 11 22          data16 movss %xmm4,\(%edx\)
+[      ]*[a-f0-9]+:    f3 67 f0 66 0f 11 22    lock data16 movss %xmm4,\(%bp,%si\)
+[      ]*[a-f0-9]+:    f3 67 f2 66 0f 11 22    repz data16 movsd %xmm4,\(%bp,%si\)
+[      ]*[a-f0-9]+:    f3 66 3e 0f 11 22       data16 movss %xmm4,%ds:\(%edx\)
+[      ]*[a-f0-9]+:    f2 66 36 0f 11 22       data16 movsd %xmm4,%ss:\(%edx\)
+[      ]*[a-f0-9]+:    f3 f0 f2 66 36 0f 11 22         repz lock data16 movsd %xmm4,%ss:\(%edx\)
+[      ]*[a-f0-9]+:    f2 66 3e 36 0f 11 22    data16 ds movsd %xmm4,%ss:\(%edx\)
+[      ]*[a-f0-9]+:    f2 67 66 3e 36 0f 11 22         data16 ds movsd %xmm4,%ss:\(%bp,%si\)
+[      ]*[a-f0-9]+:    f2 67 f0 66 3e 36 0f 11 22      lock data16 ds movsd %xmm4,%ss:\(%bp,%si\)
+[      ]*[a-f0-9]+:    f3 66 3e 36 0f 11 22    data16 ds movss %xmm4,%ss:\(%edx\)
+[      ]*[a-f0-9]+:    f3 f0 66 3e 36 0f 11 22         lock data16 ds movss %xmm4,%ss:\(%edx\)
+[      ]*[a-f0-9]+:    f3 67 f2 66 3e 36 0f 11 22      repz data16 ds movsd %xmm4,%ss:\(%bp,%si\)
+[      ]*[a-f0-9]+:    f2 66 90                repnz xchg %ax,%ax
+[      ]*[a-f0-9]+:    f2 67 66 90             repnz addr16 xchg %ax,%ax
+[      ]*[a-f0-9]+:    f2 67 f0 66 90          repnz addr16 lock xchg %ax,%ax
+[      ]*[a-f0-9]+:    f3 66 90                data16 pause 
+[      ]*[a-f0-9]+:    f3 67 f0 66 90          addr16 lock data16 pause 
+[      ]*[a-f0-9]+:    f3 67 f2 66 90          repz addr16 repnz xchg %ax,%ax
+[      ]*[a-f0-9]+:    f2 3e 90                repnz ds nop
+[      ]*[a-f0-9]+:    f2 f0 67 3e 90          repnz lock addr16 ds nop
+[      ]*[a-f0-9]+:    f3 3e 90                ds pause 
+[      ]*[a-f0-9]+:    f3 66 3e 90             data16 ds pause 
+[      ]*[a-f0-9]+:    f3 f0 3e 90             lock ds pause 
+[      ]*[a-f0-9]+:    f3 f0 67 3e 90          lock addr16 ds pause 
+[      ]*[a-f0-9]+:    f3 f2 67 3e 90          repz repnz addr16 ds nop
+[      ]*[a-f0-9]+:    66 f0 36 90             lock ss xchg %ax,%ax
+[      ]*[a-f0-9]+:    f2 36 90                repnz ss nop
+[      ]*[a-f0-9]+:    f2 66 36 90             repnz ss xchg %ax,%ax
+[      ]*[a-f0-9]+:    f2 f0 36 90             repnz lock ss nop
+[      ]*[a-f0-9]+:    f2 f0 67 36 90          repnz lock addr16 ss nop
+[      ]*[a-f0-9]+:    f3 36 90                ss pause 
+[      ]*[a-f0-9]+:    f3 67 36 90             addr16 ss pause 
+[      ]*[a-f0-9]+:    f3 f0 67 36 90          lock addr16 ss pause 
+[      ]*[a-f0-9]+:    f3 f2 36 90             repz repnz ss nop
+[      ]*[a-f0-9]+:    f3 f2 67 36 90          repz repnz addr16 ss nop
+[      ]*[a-f0-9]+:    f3 f0 f2 66 36 90       repz lock repnz ss xchg %ax,%ax
+[      ]*[a-f0-9]+:    66 3e 36 90             ds ss xchg %ax,%ax
+[      ]*[a-f0-9]+:    67 66 3e 36 90          addr16 ds ss xchg %ax,%ax
+[      ]*[a-f0-9]+:    67 f0 66 3e 36 90       addr16 lock ds ss xchg %ax,%ax
+[      ]*[a-f0-9]+:    f3 66 3e 36 90          data16 ds ss pause 
+[      ]*[a-f0-9]+:    f3 f0 66 3e 36 90       lock data16 ds ss pause 
+[      ]*[a-f0-9]+:    f3 f2 67 3e 36 90       repz repnz addr16 ds ss nop
+[      ]*[a-f0-9]+:    f3 67 f2 66 3e 36 90    repz addr16 repnz ds ss xchg %ax,%ax
+[      ]*[a-f0-9]+:    f3 0f c7 f8             rdpid  %eax
+[      ]*[a-f0-9]+:    90                      nop
+[      ]*[a-f0-9]+:    f3 0f c7                \(bad\)  
+[      ]*[a-f0-9]+:    f0 90                   lock nop
+[      ]*[a-f0-9]+:    f2 0f c7                \(bad\)  
+[      ]*[a-f0-9]+:    f8                      clc    
+[      ]*[a-f0-9]+:    90                      nop
+[      ]*[a-f0-9]+:    f2 0f c7                \(bad\)  
+[      ]*[a-f0-9]+:    f0 90                   lock nop
+[      ]*[a-f0-9]+:    f3 0f 28                \(bad\) *
+[      ]*[a-f0-9]+:    ff cc                   dec    %esp
+[      ]*[a-f0-9]+:    c5 fa 28                \(bad\) *
+[      ]*[a-f0-9]+:    ff cc                   dec    %esp
+[      ]*[a-f0-9]+:    c4 e1 7b 28             \(bad\) *
+[      ]*[a-f0-9]+:    ff cc                   dec    %esp
+[      ]*[a-f0-9]+:    62 f1 fc 08 28          \(bad\) *
+[      ]*[a-f0-9]+:    ff cc                   dec    %esp
+[      ]*[a-f0-9]+:    62 f1 7e 08 28          \(bad\) *
+[      ]*[a-f0-9]+:    ff cc                   dec    %esp
+[      ]*[a-f0-9]+:    62 f1 7d 08 28          \(bad\) *
+[      ]*[a-f0-9]+:    ff cc                   dec    %esp
+[      ]*[a-f0-9]+:    62 f1 ff 08 28          \(bad\) *
+[      ]*[a-f0-9]+:    ff cc                   dec    %esp
+[      ]*[a-f0-9]+:    66 c5 f8 28 c0          data16 vmovaps %xmm0,%xmm0
+[      ]*[a-f0-9]+:    f3 c4 e1 78 28 c0       repz vmovaps %xmm0,%xmm0
+[      ]*[a-f0-9]+:    f2 c5 f8 28 c0          repnz vmovaps %xmm0,%xmm0
+[      ]*[a-f0-9]+:    f0 62 f1 7c 08 28 c0    lock vmovaps %xmm0,%xmm0
+[      ]*[a-f0-9]+:    c5 fb e6 40 20          vcvtpd2dqx 0x20\(%eax\),%xmm0
+[      ]*[a-f0-9]+:    62 f1 ff 18 e6 40 04    vcvtpd2dq 0x20\(%eax\)\{1to2\},%xmm0
+[      ]*[a-f0-9]+:    c5 fb e6 40 20          vcvtpd2dqx 0x20\(%eax\),%xmm0
+#pass