From 699ce759c278cd4f8ccc4dc53f185f6d3142d990 Mon Sep 17 00:00:00 2001 From: Bernd Edlinger Date: Wed, 7 Aug 2019 13:45:06 +0000 Subject: [PATCH] re PR tree-optimization/91109 ([arm] gcc.c-torture/execute/20040709-1.c fails since r273135) 2019-08-07 Bernd Edlinger PR tree-optimization/91109 * lra-remat.c (update_scratch_ops): Remove assignment of the hard register. From-SVN: r274163 --- gcc/ChangeLog | 6 ++++++ gcc/lra-remat.c | 9 --------- 2 files changed, 6 insertions(+), 9 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index a4b0c35..8ea14fe 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2019-08-07 Bernd Edlinger + + PR tree-optimization/91109 + * lra-remat.c (update_scratch_ops): Remove assignment of the + hard register. + 2019-08-07 Richard Sandiford * data-streamer.h (streamer_write_poly_uint64): Declare. diff --git a/gcc/lra-remat.c b/gcc/lra-remat.c index 6a5bf4f..ef2a552 100644 --- a/gcc/lra-remat.c +++ b/gcc/lra-remat.c @@ -1021,7 +1021,6 @@ get_hard_regs (struct lra_insn_reg *reg, int &nregs) static void update_scratch_ops (rtx_insn *remat_insn) { - int hard_regno; lra_insn_recog_data_t id = lra_get_insn_recog_data (remat_insn); struct lra_static_insn_data *static_id = id->insn_static_data; for (int i = 0; i < static_id->n_operands; i++) @@ -1032,17 +1031,9 @@ update_scratch_ops (rtx_insn *remat_insn) int regno = REGNO (*loc); if (! lra_former_scratch_p (regno)) continue; - hard_regno = reg_renumber[regno]; *loc = lra_create_new_reg (GET_MODE (*loc), *loc, lra_get_allocno_class (regno), "scratch pseudo copy"); - if (hard_regno >= 0) - { - reg_renumber[REGNO (*loc)] = hard_regno; - if (lra_dump_file) - fprintf (lra_dump_file, " Assigning the same %d to r%d\n", - REGNO (*loc), hard_regno); - } lra_register_new_scratch_op (remat_insn, i, id->icode); } -- 2.7.4