* loop.c (scan_loop): Do not insert temporaries for hard registers.
From-SVN: r107019
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2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
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* loop.c (scan_loop): Do not insert temporaries for hard registers.
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2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
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* config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
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@ -1238,13 +1238,15 @@ scan_loop (struct loop *loop, int flags)
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- with -Os (this certainly increases size),
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- if the mode doesn't support copy operations (obviously),
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- if the source is already a reg (the motion will gain nothing),
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- if the source is a legitimate constant (likewise). */
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- if the source is a legitimate constant (likewise),
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- if the dest is a hard register (may be unrecognizable). */
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else if (insert_temp
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&& (optimize_size
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|| ! can_copy_p (GET_MODE (SET_SRC (set)))
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|| REG_P (SET_SRC (set))
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|| (CONSTANT_P (SET_SRC (set))
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&& LEGITIMATE_CONSTANT_P (SET_SRC (set)))))
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&& LEGITIMATE_CONSTANT_P (SET_SRC (set)))
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|| REGNO (SET_DEST (set)) < FIRST_PSEUDO_REGISTER))
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;
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else if ((tem = loop_invariant_p (loop, src))
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&& (dependencies == 0
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