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linux-user/signal.c: Remove unused fenab 

Remove fenab as it is only written, never used. Add a FIXME
comment about the discrepancy between our behaviour and that
of the Linux kernel for this routine.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
This commit is contained in:
Peter Maydell 2011-06-16 17:37:15 +01:00 committed by Riku Voipio
parent 2aec3a27d7
commit c7b016ba04
1 changed files with 5 additions and 2 deletions
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7
linux-user/signal.c
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@ -2228,7 +2228,6 @@ void sparc64_set_context(CPUSPARCState *env)
target_mc_gregset_t *grp;
abi_ulong pc, npc, tstate;
abi_ulong fp, i7, w_addr;
unsigned char fenab;
int err;
unsigned int i;
@ -2293,7 +2292,11 @@ void sparc64_set_context(CPUSPARCState *env)
if (put_user(i7, w_addr + offsetof(struct target_reg_window, ins[7]),
abi_ulong) != 0)
goto do_sigsegv;
err |= __get_user(fenab, &(ucp->tuc_mcontext.mc_fpregs.mcfpu_enab));
/* FIXME this does not match how the kernel handles the FPU in
* its sparc64_set_context implementation. In particular the FPU
* is only restored if fenab is non-zero in:
* __get_user(fenab, &(ucp->tuc_mcontext.mc_fpregs.mcfpu_enab));
*/
err |= __get_user(env->fprs, &(ucp->tuc_mcontext.mc_fpregs.mcfpu_fprs));
{
uint32_t *src, *dst;