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