[Bug c++/88562] Incorrect pointer incrementing on SH4
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88562 --- Comment #12 from Zavadovsky Yan --- I've checked this patch locally on our STiH237 hardware. Using GCC 8.2 built by crosstool-ng. It works!
[Bug c++/88562] Incorrect pointer incrementing on SH4
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88562 --- Comment #11 from Zavadovsky Yan --- Thanks for fixing!
[Bug c++/88562] Incorrect pointer incrementing on SH4
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88562 Oleg Endo changed: What|Removed |Added Target|sh4 |sh*-*-* Status|NEW |RESOLVED Resolution|--- |FIXED --- Comment #10 from Oleg Endo --- Fixed on trunk (GCC 10), GCC 9, GCC 8 and GCC 7. Thanks for reporting this bug!
[Bug c++/88562] Incorrect pointer incrementing on SH4
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88562 --- Comment #9 from Oleg Endo --- Author: olegendo Date: Tue Oct 1 15:02:25 2019 New Revision: 276414 URL: https://gcc.gnu.org/viewcvs?rev=276414=gcc=rev Log: gcc/ 2019-10-01 Oleg Endo Backport from mainline 2019-10-01 Oleg Endo PR target/88562 * config/sh/sh.c (sh_extending_set_of_reg::use_as_extended_reg): Use sh_check_add_incdec_notes to preserve REG_INC notes when replacing a memory access insn. Modified: branches/gcc-7-branch/gcc/ChangeLog branches/gcc-7-branch/gcc/config/sh/sh.c
[Bug c++/88562] Incorrect pointer incrementing on SH4
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88562 --- Comment #8 from Oleg Endo --- Author: olegendo Date: Tue Oct 1 15:00:40 2019 New Revision: 276413 URL: https://gcc.gnu.org/viewcvs?rev=276413=gcc=rev Log: gcc/ 2019-10-01 Oleg Endo Backport from mainline 2019-10-01 Oleg Endo PR target/88562 * config/sh/sh.c (sh_extending_set_of_reg::use_as_extended_reg): Use sh_check_add_incdec_notes to preserve REG_INC notes when replacing a memory access insn. Modified: branches/gcc-8-branch/gcc/ChangeLog branches/gcc-8-branch/gcc/config/sh/sh.c
[Bug c++/88562] Incorrect pointer incrementing on SH4
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88562 --- Comment #7 from Oleg Endo --- Author: olegendo Date: Tue Oct 1 14:58:10 2019 New Revision: 276412 URL: https://gcc.gnu.org/viewcvs?rev=276412=gcc=rev Log: gcc/ 2019-10-01 Oleg Endo Backport from mainline 2019-10-01 Oleg Endo PR target/88562 * config/sh/sh.c (sh_extending_set_of_reg::use_as_extended_reg): Use sh_check_add_incdec_notes to preserve REG_INC notes when replacing a memory access insn. Modified: branches/gcc-9-branch/gcc/ChangeLog branches/gcc-9-branch/gcc/config/sh/sh.c
[Bug c++/88562] Incorrect pointer incrementing on SH4
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88562 --- Comment #6 from Oleg Endo --- Author: olegendo Date: Tue Oct 1 14:55:34 2019 New Revision: 276411 URL: https://gcc.gnu.org/viewcvs?rev=276411=gcc=rev Log: gcc/ 2019-10-01 Oleg Endo PR target/88562 * config/sh/sh.c (sh_extending_set_of_reg::use_as_extended_reg): Use sh_check_add_incdec_notes to preserve REG_INC notes when replacing a memory access insn. Modified: trunk/gcc/ChangeLog trunk/gcc/config/sh/sh.c
[Bug c++/88562] Incorrect pointer incrementing on SH4
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88562 Oleg Endo changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed||2019-09-29 CC||olegendo at gcc dot gnu.org Ever confirmed|0 |1 --- Comment #5 from Oleg Endo --- I have tried this on current trunk (GCC 10) and it shows the same issue. During SH specific sign/zero extension optimizations, the function sh_extending_set_of_reg::use_as_extended_reg drops the REG_INC note from the memory insn, when it converts the non-extending memory load (with post-inc address) into sign-extending memory load.
