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| author | uros <uros@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-01-17 22:51:00 +0000 |
|---|---|---|
| committer | uros <uros@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-01-17 22:51:00 +0000 |
| commit | becc16b47adcd8206d480bbfc7635144128e674b (patch) | |
| tree | c668d66d7974fa066decb38c262d5ad523cf56df | |
| parent | 13a3b0bbe86864e33a37edf33de21546cab59891 (diff) | |
| download | gcc-becc16b47adcd8206d480bbfc7635144128e674b.tar.gz | |
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.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@195283 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 10 | ||||
| -rw-r--r-- | gcc/config/i386/sync.md | 13 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 8 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/pr55981.c | 54 |
4 files changed, 83 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 6ab76041949..778e7d5771e 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. + 2013-01-16 Richard Biener <rguenther@suse.de> PR middle-end/55882 diff --git a/gcc/config/i386/sync.md b/gcc/config/i386/sync.md index a58a1b94895..fa3281a78a2 100644 --- a/gcc/config/i386/sync.md +++ b/gcc/config/i386/sync.md @@ -223,8 +223,9 @@ 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) @@ -232,6 +233,14 @@ 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 667adb90aea..d540f70fbd7 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. + 2013-01-17 Janus Weil <janus@gcc.gnu.org> PR fortran/55983 diff --git a/gcc/testsuite/gcc.target/pr55981.c b/gcc/testsuite/gcc.target/pr55981.c new file mode 100644 index 00000000000..36498d63cfe --- /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 } } */ |