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git://projects.qi-hardware.com/openwrt-xburst.git
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28 lines
853 B
Diff
28 lines
853 B
Diff
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--- a/gcc/config/avr32/lib1funcs.S
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+++ b/gcc/config/avr32/lib1funcs.S
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@@ -2271,7 +2271,7 @@ __avr32_f32_div:
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tst r12, r12
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moveq r9, 0
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- breq 12
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+ breq 12f
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/* Unpack op1*/
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/* exp: r9 */
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@@ -2467,9 +2467,14 @@ __divsf_return_op1:
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reteq 0 /* Return zero if number/inf*/
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ret -1 /* Return NaN*/
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4:
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- /* Op2 is zero ? */
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+ /* Op1 is zero ? */
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tst r12,r12
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reteq -1 /* 0.0/0.0 is NaN */
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+ /* Op1 is Nan? */
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+ lsr r9, r12, 24
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+ breq 11f /*If number is subnormal*/
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+ cp r9, 0xff
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+ brhs 2b /* Check op1 for NaN or Inf */
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/* Nonzero/0.0 is Inf. Sign bit will be shifted in before returning*/
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mov_imm r12, 0xff000000
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rjmp __divsf_return_op1
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