diff options
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 9e4d3b1f6de..4b3dbc01ec3 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 |
