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| author | Richard Kenner <kenner@gcc.gnu.org> | 1994-09-16 19:22:39 -0400 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 1994-09-16 19:22:39 -0400 |
| commit | 0dfa4517b711f3dc98501605375462e5f3d00cba (patch) | |
| tree | 24d95c10333ef5976d975a4114607c978e79ad8f /gcc | |
| parent | 2c793b325101980a9ff28757fac1d8d583494479 (diff) | |
| download | gcc-0dfa4517b711f3dc98501605375462e5f3d00cba.zip gcc-0dfa4517b711f3dc98501605375462e5f3d00cba.tar.gz gcc-0dfa4517b711f3dc98501605375462e5f3d00cba.tar.bz2 | |
(global_alloc): Mark regs assigned to SCRATCH as used by more than
just local alloc.
From-SVN: r8091
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/global.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/global.c b/gcc/global.c index 08a0f8a..ff86fec 100644 --- a/gcc/global.c +++ b/gcc/global.c @@ -446,6 +446,18 @@ global_alloc (file) if (regs_ever_live[i]) local_reg_n_refs[i] = 0; + /* Likewise for regs used in a SCRATCH. */ + for (i = 0; i < scratch_list_length; i++) + if (scratch_list[i]) + { + int regno = REGNO (scratch_list[i]); + int lim = regno + HARD_REGNO_NREGS (regno, GET_MODE (scratch_list[i])); + int j; + + for (j = regno; j < lim; j++) + local_reg_n_refs[j] = 0; + } + /* Allocate the space for the conflict and preference tables and initialize them. */ |