Conversion from float to integer should based on both the instruction encoding and the sign of the operand.
Signed-off-by: Shan Hai <shan....@windriver.com> --- arch/powerpc/math-emu/math_efp.c | 12 ++++++++---- 1 files changed, 8 insertions(+), 4 deletions(-) diff --git a/arch/powerpc/math-emu/math_efp.c b/arch/powerpc/math-emu/math_efp.c index 41f4ef3..64faf10 100644 --- a/arch/powerpc/math-emu/math_efp.c +++ b/arch/powerpc/math-emu/math_efp.c @@ -320,7 +320,8 @@ 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)); + FP_TO_INT_S(vc.wp[1], SB, 32, + (((func & 0x3) != 0) || SB_s)); goto update_regs; default: @@ -458,7 +459,8 @@ cmp_s: } else { _FP_ROUND_ZERO(2, DB); } - FP_TO_INT_D(vc.wp[1], DB, 32, ((func & 0x3) != 0)); + FP_TO_INT_D(vc.wp[1], DB, 32, + (((func & 0x3) != 0) || DB_s)); goto update_regs; default: @@ -589,8 +591,10 @@ 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)); + 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: -- 1.7.0.2 _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev