On Sat, Nov 13, 2010 at 11:11 PM, Hai Shan <haishan....@gmail.com> wrote: > Fixed the failure on converting minus float to unsigned int with SPE enabled > > Signed-off-by: Hai Shan <shan....@windriver.com>
You should make sure to send PowerPC patches to linuxppc-dev. josh > --- > arch/powerpc/math-emu/math_efp.c | 17 +++++++++++++---- > 1 files changed, 13 insertions(+), 4 deletions(-) > > diff --git a/arch/powerpc/math-emu/math_efp.c > b/arch/powerpc/math-emu/math_efp.c > index 41f4ef3..338a128 100644 > --- a/arch/powerpc/math-emu/math_efp.c > +++ b/arch/powerpc/math-emu/math_efp.c > @@ -320,7 +320,9 @@ int do_spe_mathemu(struct pt_regs *regs) > } else { > _FP_ROUND_ZERO(1, SB); > } > - FP_TO_INT_S(vc.wp[1], SB, 32, ((func & 0x3) != 0)); > + /* SB_s: convert from minus float to unsigned int */ > + FP_TO_INT_S(vc.wp[1], SB, 32, > + ((func & 0x3) != 0) || SB_s); > goto update_regs; > > default: > @@ -458,7 +460,11 @@ cmp_s: > } else { > _FP_ROUND_ZERO(2, DB); > } > - FP_TO_INT_D(vc.wp[1], DB, 32, ((func & 0x3) != 0)); > + /* DB_s: convert from minus long double to > + * unsigned long long > + */ > + FP_TO_INT_D(vc.wp[1], DB, 32, > + ((func & 0x3) != 0) || DB_s); > goto update_regs; > > default: > @@ -589,8 +595,11 @@ cmp_d: > _FP_ROUND_ZERO(1, SB0); > _FP_ROUND_ZERO(1, SB1); > } > - FP_TO_INT_S(vc.wp[0], SB0, 32, ((func & 0x3) != 0)); > - FP_TO_INT_S(vc.wp[1], SB1, 32, ((func & 0x3) != 0)); > + /* SB*_s: convert from minus float to unsigned int */ > + FP_TO_INT_S(vc.wp[0], SB0, 32, > + ((func & 0x3) != 0) || SB0_s); > + FP_TO_INT_S(vc.wp[1], SB1, 32, > + ((func & 0x3) != 0) || SB1_s); > goto update_regs; > > default: > -- > 1.7.0.4 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majord...@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev