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Correct the type for the literal used on the left side of the shift up

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to 63 bit positions.

Do not fill the save area and do not set the saved bit in the xstate
bit vector for the state which is not marked as enabled in xsave_mask.

Reported and tested by:	Jim Ohlstein <jim@ohlste.in>
MFC after:	3 days
This commit is contained in:
Konstantin Belousov 2013-05-09 17:25:29 +00:00
parent 4dc07530d7
commit 241b67bb47
1 changed files with 2 additions and 2 deletions
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4
sys/amd64/amd64/fpu.c
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@ -687,8 +687,8 @@ fpugetregs(struct thread *td)
offsetof(struct xstate_hdr, xstate_bv));
max_ext_n = flsl(xsave_mask);
for (i = 0; i < max_ext_n; i++) {
bit = 1 << i;
if ((*xstate_bv & bit) != 0)
bit = 1ULL << i;
if ((xsave_mask & bit) == 0 || (*xstate_bv & bit) != 0)
continue;
bcopy((char *)fpu_initialstate +
xsave_area_desc[i].offset,