https://bugs.kde.org/show_bug.cgi?id=481131
Bug ID: 481131
Summary: [PATCH] x86 regtest: fix clobber lists in generated
asm statements
Classification: Developer tools
Product: valgrind
Version: unspecified
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: jsew...@acm.org
Reporter: nota...@gmail.com
Target Milestone: ---
Created attachment 165704
--> https://bugs.kde.org/attachment.cgi?id=165704&action=edit
patch
Must add result registers also, or else code like this is generated:
asm(
"fsave %3\n"
"movl %2, %%eax\n"
"cdq\n"
"movl %%edx, %0\n"
"movl %%eax, %1\n"
"frstor %3\n"
"cld\n"
: "=m" (result0), "=m" (result1)
: "m" (preset0), "m" (state[0])
: "eax"
);
This crashes on my machine because gcc places some pointer in %%edx.
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