diff options
Diffstat (limited to 'arch/powerpc/kernel/fpu.S')
| -rw-r--r-- | arch/powerpc/kernel/fpu.S | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/fpu.S b/arch/powerpc/kernel/fpu.S index 2117eaca3d28..b06352474ad0 100644 --- a/arch/powerpc/kernel/fpu.S +++ b/arch/powerpc/kernel/fpu.S @@ -130,6 +130,10 @@ END_FTR_SECTION_IFSET(CPU_FTR_VSX) or r12,r12,r4 std r12,_MSR(r1) #endif + /* Don't care if r4 overflows, this is desired behaviour */ + lbz r4,THREAD_LOAD_FP(r5) + addi r4,r4,1 + stb r4,THREAD_LOAD_FP(r5) addi r10,r5,THREAD_FPSTATE lfd fr0,FPSTATE_FPSCR(r10) MTFSF_L(fr0) |