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| author | Vladimir Makarov <vmakarov@redhat.com> | 2012-10-28 20:02:59 +0000 |
|---|---|---|
| committer | Vladimir Makarov <vmakarov@gcc.gnu.org> | 2012-10-28 20:02:59 +0000 |
| commit | c5cd5a7ed3f3a476ed17f2449598e6309cf7956c (patch) | |
| tree | 888f79b5020c2fcd4c6a06b52d30340a3f6cfc2c /gcc/lra-constraints.c | |
| parent | 57bf28eab7d3b708b52d4d3f52b0f42966945b8d (diff) | |
| download | gcc-c5cd5a7ed3f3a476ed17f2449598e6309cf7956c.zip gcc-c5cd5a7ed3f3a476ed17f2449598e6309cf7956c.tar.gz gcc-c5cd5a7ed3f3a476ed17f2449598e6309cf7956c.tar.bz2 | |
rtl.h (struct rtx_def): Add a comment for member unchanging.
2012-10-28 Vladimir Makarov <vmakarov@redhat.com>
* rtl.h (struct rtx_def): Add a comment for member unchanging.
* lra-int.h (LRA_TEMP_CLOBBER_P): New macro.
(lra_hard_reg_substitution): Rename to lra_final_code_change.
* lra-constraints.c (match_reload): Mark temporary clobbers.
* lra-spill.c (lra_hard_reg_substitution): Rename to
lra_final_code_change. Remove temporary clobbers.
* lra.c (lra): Rename to lra_final_code_change.
From-SVN: r192897
Diffstat (limited to 'gcc/lra-constraints.c')
| -rw-r--r-- | gcc/lra-constraints.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/gcc/lra-constraints.c b/gcc/lra-constraints.c index 9e4d3b1..4b3dbc0 100644 --- a/gcc/lra-constraints.c +++ b/gcc/lra-constraints.c @@ -663,7 +663,7 @@ match_reload (signed char out, signed char *ins, enum reg_class goal_class, rtx *before, rtx *after) { int i, in; - rtx new_in_reg, new_out_reg, reg; + rtx new_in_reg, new_out_reg, reg, clobber; enum machine_mode inmode, outmode; rtx in_rtx = *curr_id->operand_loc[ins[0]]; rtx out_rtx = *curr_id->operand_loc[out]; @@ -694,8 +694,10 @@ match_reload (signed char out, signed char *ins, enum reg_class goal_class, new_in_reg = gen_rtx_SUBREG (inmode, reg, 0); /* NEW_IN_REG is non-paradoxical subreg. We don't want NEW_OUT_REG living above. We add clobber clause for - this. */ - emit_clobber (new_out_reg); + this. This is just a temporary clobber. We can remove + it at the end of LRA work. */ + clobber = emit_clobber (new_out_reg); + LRA_TEMP_CLOBBER_P (PATTERN (clobber)) = 1; } } else |