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/* Define per-register tables for data flow info and register allocation.
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Copyright (C) 1987, 1993 Free Software Foundation, Inc.
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Copyright (C) 1987, 1993, 1994 Free Software Foundation, Inc.
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This file is part of GNU CC.
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@ -53,6 +53,12 @@ extern short *reg_n_sets;
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extern short *reg_n_deaths;
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/* Indexed by N; says whether a psuedo register N was ever used
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within a SUBREG that changes the size of the reg. Some machines prohibit
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such objects to be in certain (usually floating-point) registers. */
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extern char *reg_changes_size;
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/* Get the number of consecutive words required to hold pseudo-reg N. */
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#define PSEUDO_REGNO_SIZE(N) \
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