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| author | Richard Biener <rguenther@suse.de> | 2019-09-20 11:14:34 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2019-09-20 11:14:34 +0000 |
| commit | b049c26955642f80c1c3a84782d20c36b858d7d3 (patch) | |
| tree | 873895897517495f7d3ab659c864bcf283a4fb6a /gcc | |
| parent | d63eadac7db10d4846bdffa93fd164cb035fb102 (diff) | |
| download | gcc-b049c26955642f80c1c3a84782d20c36b858d7d3.zip gcc-b049c26955642f80c1c3a84782d20c36b858d7d3.tar.gz gcc-b049c26955642f80c1c3a84782d20c36b858d7d3.tar.bz2 | |
re PR target/91814 (ICE in elimination_costs_in_insn, at reload1.c:3549 since r274926)
2019-09-20 Richard Biener <rguenther@suse.de>
Uros Bizjak <ubizjak@gmail.com>
PR target/91814
* config/i386/i386-features.c (gen_gpr_to_xmm_move_src): Revert
previous change.
(general_scalar_chain::convert_op): Force not suitable memory
operands to a register.
Co-Authored-By: Uros Bizjak <ubizjak@gmail.com>
From-SVN: r275998
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 9 | ||||
| -rw-r--r-- | gcc/config/i386/i386-features.c | 11 |
2 files changed, 18 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 756b4d4..76269e1 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,4 +1,13 @@ 2019-09-20 Richard Biener <rguenther@suse.de> + Uros Bizjak <ubizjak@gmail.com> + + PR target/91814 + * config/i386/i386-features.c (gen_gpr_to_xmm_move_src): Revert + previous change. + (general_scalar_chain::convert_op): Force not suitable memory + operands to a register. + +2019-09-20 Richard Biener <rguenther@suse.de> PR tree-optimization/91821 * tree-vect-loop.c (check_reduction_path): Check we can compute diff --git a/gcc/config/i386/i386-features.c b/gcc/config/i386/i386-features.c index 546d78d..9b297ba 100644 --- a/gcc/config/i386/i386-features.c +++ b/gcc/config/i386/i386-features.c @@ -668,8 +668,6 @@ scalar_chain::emit_conversion_insns (rtx insns, rtx_insn *after) static rtx gen_gpr_to_xmm_move_src (enum machine_mode vmode, rtx gpr) { - if (!nonimmediate_operand (gpr, GET_MODE_INNER (vmode))) - gpr = force_reg (GET_MODE_INNER (vmode), gpr); switch (GET_MODE_NUNITS (vmode)) { case 1: @@ -835,6 +833,15 @@ general_scalar_chain::convert_op (rtx *op, rtx_insn *insn) { rtx tmp = gen_reg_rtx (GET_MODE (*op)); + /* Handle movabs. */ + if (!memory_operand (*op, GET_MODE (*op))) + { + rtx tmp2 = gen_reg_rtx (GET_MODE (*op)); + + emit_insn_before (gen_rtx_SET (tmp2, *op), insn); + *op = tmp2; + } + emit_insn_before (gen_rtx_SET (gen_rtx_SUBREG (vmode, tmp, 0), gen_gpr_to_xmm_move_src (vmode, *op)), insn); |