8c54814372
* Some initial support for FreeBSD-alpha * Add some optimizations required by g77, which still might be of some use to adventuring C/C++ programmers. Obtained from: OpenBSD (parts)
20 lines
690 B
Plaintext
20 lines
690 B
Plaintext
--- loop.c.orig Fri Feb 6 11:23:34 1998
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+++ loop.c Tue Aug 11 16:57:35 1998
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@@ -1637,6 +1637,7 @@
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extra cost because something else was already moved. */
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if (already_moved[regno]
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+ || flag_move_all_movables
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|| (threshold * savings * m->lifetime) >= insn_count
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|| (m->forces && m->forces->done
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&& n_times_used[m->forces->regno] == 1))
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@@ -3911,7 +3912,7 @@
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of such giv's whether or not we know they are used after the loop
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exit. */
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- if (v->lifetime * threshold * benefit < insn_count
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+ if (!flag_reduce_all_givs && v->lifetime * threshold * benefit < insn_count
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&& ! bl->reversed)
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{
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if (loop_dump_stream)
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