Messages in this thread Patch in this message | | | From | Hai Shan <> | Subject | [PATCH] Fix float to unsigned conversion failure with SPE enabled | Date | Sun, 14 Nov 2010 12:11:03 +0800 |
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Fixed the failure on converting minus float to unsigned int with SPE enabled
Signed-off-by: Hai Shan <shan.hai@windriver.com> --- 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
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