commit: f5d94ac0dde9af3de0f36928d31ca5bdc51352e3 Author: Sergei Trofimovich <slyfox <AT> gentoo <DOT> org> AuthorDate: Thu Sep 12 21:54:36 2019 +0000 Commit: Sergei Trofimovich <slyfox <AT> gentoo <DOT> org> CommitDate: Thu Sep 12 21:54:36 2019 +0000 URL: https://gitweb.gentoo.org/proj/gcc-patches.git/commit/?id=f5d94ac0
8.3.0: backport 30_all_sparc-PIC-constant-PR91472.patch Fix gmp test suite failures. Bug: https://gcc.gnu.org/PR91472 Signed-off-by: Sergei Trofimovich <slyfox <AT> gentoo.org> .../gentoo/30_all_sparc-PIC-constant-PR91472.patch | 83 ++++++++++++++++++++++ 8.3.0/gentoo/README.history | 1 + 2 files changed, 84 insertions(+) diff --git a/8.3.0/gentoo/30_all_sparc-PIC-constant-PR91472.patch b/8.3.0/gentoo/30_all_sparc-PIC-constant-PR91472.patch new file mode 100644 index 0000000..aeacdde --- /dev/null +++ b/8.3.0/gentoo/30_all_sparc-PIC-constant-PR91472.patch @@ -0,0 +1,83 @@ +https://gcc.gnu.org/PR91472 +Fix gmp test suite failrues. + +From 0a09a00c87081e0a8d1d382b33bb0b1ec03875e7 Mon Sep 17 00:00:00 2001 +From: ebotcazou <ebotcazou@138bc75d-0d04-0410-961f-82ee72b054a4> +Date: Sun, 1 Sep 2019 12:55:22 +0000 +Subject: [PATCH] PR target/91472 * config/sparc/sparc.c + (sparc_cannot_force_const_mem): Return true during LRA/reload in PIC mode + if the PIC register hasn't been used yet. (sparc_pic_register_p): Test + reload_in_progress for consistency's sake. + +git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@275270 138bc75d-0d04-0410-961f-82ee72b054a4 +--- + gcc/config/sparc/sparc.c | 9 ++++- + .../gcc.c-torture/execute/20190901-1.c | 36 +++++++++++++++++++ + +--- a/gcc/config/sparc/sparc.c ++++ b/gcc/config/sparc/sparc.c +@@ -4201,6 +4201,13 @@ eligible_for_sibcall_delay (rtx_insn *trial) + static bool + sparc_cannot_force_const_mem (machine_mode mode, rtx x) + { ++ /* After IRA has run in PIC mode, it is too late to put anything into the ++ constant pool if the PIC register hasn't already been initialized. */ ++ if ((lra_in_progress || reload_in_progress) ++ && flag_pic ++ && !crtl->uses_pic_offset_table) ++ return true; ++ + switch (GET_CODE (x)) + { + case CONST_INT: +@@ -4450,7 +4457,7 @@ sparc_pic_register_p (rtx x) + return true; + + if (!HARD_REGISTER_P (pic_offset_table_rtx) +- && (HARD_REGISTER_P (x) || lra_in_progress) ++ && (HARD_REGISTER_P (x) || lra_in_progress || reload_in_progress) + && ORIGINAL_REGNO (x) == REGNO (pic_offset_table_rtx)) + return true; + +--- /dev/null ++++ b/gcc/testsuite/gcc.c-torture/execute/20190901-1.c +@@ -0,0 +1,36 @@ ++/* PR target/91472 */ ++/* Reported by John Paul Adrian Glaubitz <glaub...@physik.fu-berlin.de> */ ++ ++typedef unsigned int gmp_uint_least32_t; ++ ++union ieee_double_extract ++{ ++ struct ++ { ++ gmp_uint_least32_t sig:1; ++ gmp_uint_least32_t exp:11; ++ gmp_uint_least32_t manh:20; ++ gmp_uint_least32_t manl:32; ++ } s; ++ double d; ++}; ++ ++double __attribute__((noipa)) ++tests_infinity_d (void) ++{ ++ union ieee_double_extract x; ++ x.s.exp = 2047; ++ x.s.manl = 0; ++ x.s.manh = 0; ++ x.s.sig = 0; ++ return x.d; ++} ++ ++int ++main (void) ++{ ++ double x = tests_infinity_d (); ++ if (x == 0.0) ++ __builtin_abort (); ++ return 0; ++} +-- +2.23.0 + diff --git a/8.3.0/gentoo/README.history b/8.3.0/gentoo/README.history index fc32cd2..68b1fd8 100644 --- a/8.3.0/gentoo/README.history +++ b/8.3.0/gentoo/README.history @@ -1,5 +1,6 @@ 1.2 TODO + 29_all_ia64-bootstrap.patch + + 30_all_sparc-PIC-constant-PR91472.patch 1.1 06 Apr 2019 + 26_all_overridable_native.patch
