commit: b4f434e19efe6a9f833149a104885d4dfaf1f43d Author: Sergei Trofimovich <slyfox <AT> gentoo <DOT> org> AuthorDate: Mon Nov 4 08:25:40 2019 +0000 Commit: Sergei Trofimovich <slyfox <AT> gentoo <DOT> org> CommitDate: Mon Nov 4 08:25:40 2019 +0000 URL: https://gitweb.gentoo.org/proj/gcc-patches.git/commit/?id=b4f434e1
8.3.0: drop 30_all_sparc-PIC-constant-PR91472.patch PR91472 fixed obscure code generation bug on gmp testsuite but introduced gcc regression in compiling python. Let's revert the fix. It will break gmp tests on sparc again but at least restore python building. Reported-by: Rolf Eike Beer Bug: https://bugs.gentoo.org/697708 Bug: https://gcc.gnu.org/PR92095 Signed-off-by: Sergei Trofimovich <slyfox <AT> gentoo.org> .../gentoo/30_all_sparc-PIC-constant-PR91472.patch | 83 ---------------------- 8.3.0/gentoo/README.history | 3 + 2 files changed, 3 insertions(+), 83 deletions(-) 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 deleted file mode 100644 index aeacdde..0000000 --- a/8.3.0/gentoo/30_all_sparc-PIC-constant-PR91472.patch +++ /dev/null @@ -1,83 +0,0 @@ -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 429137b..745589a 100644 --- a/8.3.0/gentoo/README.history +++ b/8.3.0/gentoo/README.history @@ -1,3 +1,6 @@ +3 TODO + - 30_all_sparc-PIC-constant-PR91472.patch + 2 22 Sep 2019 + 29_all_ia64-bootstrap.patch + 30_all_sparc-PIC-constant-PR91472.patch
