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| author | Bernd Schmidt <bernds@cygnus.co.uk> | 1999-12-13 13:21:35 +0000 |
|---|---|---|
| committer | Bernd Schmidt <crux@gcc.gnu.org> | 1999-12-13 13:21:35 +0000 |
| commit | f5d8c9f4053985a3694c56239b2c6a08b416bfa5 (patch) | |
| tree | d9cb4c6b8528afdab21ca0ece166d271c5e19197 /gcc/regclass.c | |
| parent | 2cf4028a7c28adbbbcbda21a02bd851a140a8652 (diff) | |
| download | gcc-f5d8c9f4053985a3694c56239b2c6a08b416bfa5.zip gcc-f5d8c9f4053985a3694c56239b2c6a08b416bfa5.tar.gz gcc-f5d8c9f4053985a3694c56239b2c6a08b416bfa5.tar.bz2 | |
Simplify reload register allocation
From-SVN: r30890
Diffstat (limited to 'gcc/regclass.c')
| -rw-r--r-- | gcc/regclass.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/regclass.c b/gcc/regclass.c index 55edc77..630e3e8 100644 --- a/gcc/regclass.c +++ b/gcc/regclass.c @@ -118,6 +118,9 @@ char global_regs[FIRST_PSEUDO_REGISTER]; /* Table of register numbers in the order in which to try to use them. */ #ifdef REG_ALLOC_ORDER int reg_alloc_order[FIRST_PSEUDO_REGISTER] = REG_ALLOC_ORDER; + +/* The inverse of reg_alloc_order. */ +int inv_reg_alloc_order[FIRST_PSEUDO_REGISTER]; #endif /* For each reg class, a HARD_REG_SET saying which registers are in it. */ @@ -251,6 +254,11 @@ init_reg_sets () /* Do any additional initialization regsets may need */ INIT_ONCE_REG_SET (); + +#ifdef REG_ALLOC_ORDER + for (i = 0; i < FIRST_PSEUDO_REGISTER; i++) + inv_reg_alloc_order[reg_alloc_order[i]] = i; +#endif } /* After switches have been processed, which perhaps alter |