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83cccb37e9
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@23865 3c298f89-4303-0410-b956-a3cf2f4a3e73
35 lines
1005 B
Diff
35 lines
1005 B
Diff
--- a/gcc/config/avr32/lib1funcs.S
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+++ b/gcc/config/avr32/lib1funcs.S
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@@ -2257,10 +2257,13 @@ __avr32_f32_div:
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/* Unpack */
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lsl r12,1
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- reteq 0 /* Return zero if op1 is zero */
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lsl r11,1
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breq 4f /* Check op2 for zero */
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-
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+
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+ tst r12, r12
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+ moveq r9, 0
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+ breq 12
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+
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/* Unpack op1*/
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/* exp: r9 */
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/* sf: r12 */
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@@ -2279,9 +2282,14 @@ __avr32_f32_div:
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breq 13f /*If number is subnormal*/
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cp r10, 0xff
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brhs 3f /* Check op2 for NaN or Inf */
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-
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lsl r11,7
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sbr r11, 31 /*Implicit bit*/
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+
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+ cp.w r9, 0
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+ subfeq r12, 0
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+ reteq 0 /* op1 is zero and op2 is not zero */
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+ /* or NaN so return zero */
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+
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14:
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/* For UC3, store with predecrement is faster than stm */
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