diff options
Diffstat (limited to 'patches/gcc-4.7.2/0050-Backport-PR-target-55981-from-mainline.patch')
| -rw-r--r-- | patches/gcc-4.7.2/0050-Backport-PR-target-55981-from-mainline.patch | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/patches/gcc-4.7.2/0050-Backport-PR-target-55981-from-mainline.patch b/patches/gcc-4.7.2/0050-Backport-PR-target-55981-from-mainline.patch new file mode 100644 index 0000000..24fcc4a --- /dev/null +++ b/patches/gcc-4.7.2/0050-Backport-PR-target-55981-from-mainline.patch @@ -0,0 +1,154 @@ +From: Uros Bizjak <ubizjak@gmail.com> +Date: Thu, 17 Jan 2013 22:51:00 +0000 +Subject: [PATCH] Backport PR target/55981 from mainline + + Backport from mainline + 2012-01-17 Uros Bizjak <ubizjak@gmail.com> + + PR target/55981 + * config/i386/sync.md (atomic_store<mode>): Generate SWImode + store through atomic_store<mode>_1. + (atomic_store<mode>_1): Macroize insn using SWI mode iterator. + +testsuite/ChangeLog: + + Backport from mainline + 2012-01-17 Uros Bizjak <ubizjak@gmail.com> + + PR target/55981 + * gcc.target/pr55981.c: New test. + +Signed-off-by: Michael Olbrich <m.olbrich@pengutronix.de> +--- + gcc/ChangeLog | 10 +++++++ + gcc/config/i386/sync.md | 13 +++++++-- + gcc/testsuite/ChangeLog | 8 ++++++ + gcc/testsuite/gcc.target/pr55981.c | 54 ++++++++++++++++++++++++++++++++++++ + 4 files changed, 83 insertions(+), 2 deletions(-) + create mode 100644 gcc/testsuite/gcc.target/pr55981.c + +diff --git a/gcc/ChangeLog b/gcc/ChangeLog +index b84d286..47d35a0 100644 +--- a/gcc/ChangeLog ++++ b/gcc/ChangeLog +@@ -1,3 +1,13 @@ ++2012-01-17 Uros Bizjak <ubizjak@gmail.com> ++ ++ Backport from mainline ++ 2012-01-17 Uros Bizjak <ubizjak@gmail.com> ++ ++ PR target/55981 ++ * config/i386/sync.md (atomic_store<mode>): Generate SWImode ++ store through atomic_store<mode>_1. ++ (atomic_store<mode>_1): Macroize insn using SWI mode iterator. ++ + 2012-09-20 Release Manager + + * GCC 4.7.2 released. +diff --git a/gcc/config/i386/sync.md b/gcc/config/i386/sync.md +index ddff1e6..79d3305 100644 +--- a/gcc/config/i386/sync.md ++++ b/gcc/config/i386/sync.md +@@ -227,8 +227,9 @@ + DONE; + } + +- /* Otherwise use a normal store. */ +- emit_move_insn (operands[0], operands[1]); ++ /* Otherwise use a store. */ ++ emit_insn (gen_atomic_store<mode>_1 (operands[0], operands[1], ++ operands[2])); + } + /* ... followed by an MFENCE, if required. */ + if (model == MEMMODEL_SEQ_CST) +@@ -236,6 +237,14 @@ + DONE; + }) + ++(define_insn "atomic_store<mode>_1" ++ [(set (match_operand:SWI 0 "memory_operand" "=m") ++ (unspec:SWI [(match_operand:SWI 1 "<nonmemory_operand>" "<r><i>") ++ (match_operand:SI 2 "const_int_operand")] ++ UNSPEC_MOVA))] ++ "" ++ "mov{<imodesuffix>}\t{%1, %0|%0, %1}") ++ + (define_insn_and_split "atomic_storedi_fpu" + [(set (match_operand:DI 0 "memory_operand" "=m,m,m") + (unspec:DI [(match_operand:DI 1 "register_operand" "x,m,?r")] +diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog +index 2d88614..d30a45f 100644 +--- a/gcc/testsuite/ChangeLog ++++ b/gcc/testsuite/ChangeLog +@@ -1,3 +1,11 @@ ++2012-01-17 Uros Bizjak <ubizjak@gmail.com> ++ ++ Backport from mainline ++ 2012-01-17 Uros Bizjak <ubizjak@gmail.com> ++ ++ PR target/55981 ++ * gcc.target/pr55981.c: New test. ++ + 2012-09-20 Release Manager + + * GCC 4.7.2 released. +diff --git a/gcc/testsuite/gcc.target/pr55981.c b/gcc/testsuite/gcc.target/pr55981.c +new file mode 100644 +index 0000000..36498d6 +--- /dev/null ++++ b/gcc/testsuite/gcc.target/pr55981.c +@@ -0,0 +1,54 @@ ++/* { dg-do compile { target { ! { ia32 } } } } */ ++/* { dg-options "-O2" } */ ++ ++volatile int a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p; ++ ++volatile long long y; ++ ++void ++test () ++{ ++ int a_ = a; ++ int b_ = b; ++ int c_ = c; ++ int d_ = d; ++ int e_ = e; ++ int f_ = f; ++ int g_ = g; ++ int h_ = h; ++ int i_ = i; ++ int j_ = j; ++ int k_ = k; ++ int l_ = l; ++ int m_ = m; ++ int n_ = n; ++ int o_ = o; ++ int p_ = p; ++ ++ int z; ++ ++ for (z = 0; z < 1000; z++) ++ { ++ __atomic_store_n (&y, 0x100000002ll, __ATOMIC_SEQ_CST); ++ __atomic_store_n (&y, 0x300000004ll, __ATOMIC_SEQ_CST); ++ } ++ ++ a = a_; ++ b = b_; ++ c = c_; ++ d = d_; ++ e = e_; ++ f = f_; ++ g = g_; ++ h = h_; ++ i = i_; ++ j = j_; ++ k = k_; ++ l = l_; ++ m = m_; ++ n = n_; ++ o = o_; ++ p = p_; ++} ++ ++/* { dg-final { scan-assembler-times "movabs" 2 } } */ |