Bug 143325 - vex amd64->IR: unhandled instruction bytes: 0xDD 0xB5 0x68 0xFE (fnsave)
Summary: vex amd64->IR: unhandled instruction bytes: 0xDD 0xB5 0x68 0xFE (fnsave)
Status: REPORTED
Alias: None
Product: valgrind
Classification: Developer tools
Component: vex (show other bugs)
Version: unspecified
Platform: unspecified Linux
: NOR crash
Target Milestone: ---
Assignee: Julian Seward
URL:
Keywords:
: 267534 (view as bug list)
Depends on:
Blocks: 253451
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Reported: 2007-03-22 06:19 UTC by Francesco
Modified: 2011-08-18 15:06 UTC (History)
2 users (show)

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Description Francesco 2007-03-22 06:19:19 UTC
Version:            (using KDE Devel)
Compiler:          gcc 3.4.0 
OS:                Linux

Some C code that exercises the bug is below:

int main() {
  int loc[100];
  // vex amd64->IR: unhandled instruction bytes: 0xDD 0xB5 0x68 0xFE
  asm("fnsave %0\n" : :"m"(loc));
}
Comment 1 Tom Hughes 2011-08-18 15:06:38 UTC
*** Bug 267534 has been marked as a duplicate of this bug. ***