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| author | H.J. Lu <hongjiu.lu@intel.com> | 2012-09-12 18:08:59 +0000 |
|---|---|---|
| committer | H.J. Lu <hjl@gcc.gnu.org> | 2012-09-12 11:08:59 -0700 |
| commit | 9691b9a7d3a49a601a826f8a07b86f83e94b065a (patch) | |
| tree | 93cf04b81049674bdcf74bcd715060ddfc1b4e59 | |
| parent | c3c445e1cfe4184c0d3537f87e8e5bd3f9974646 (diff) | |
| download | gcc-9691b9a7d3a49a601a826f8a07b86f83e94b065a.zip gcc-9691b9a7d3a49a601a826f8a07b86f83e94b065a.tar.gz gcc-9691b9a7d3a49a601a826f8a07b86f83e94b065a.tar.bz2 | |
Allow negative offset for UNSPEC_DTPOFF/UNSPEC_NTPOFF
gcc/
PR target/54445
* config/i386/predicates.md (x86_64_immediate_operand): Allow
negative offset for UNSPEC_DTPOFF/UNSPEC_NTPOFF.
gcc/testsuite/
PR target/54445
* gcc.target/i386/pr54445-1.c: New file.
* gcc.target/i386/pr54445-2.c: Likewise.
From-SVN: r191230
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/i386/predicates.md | 3 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/pr54445-1.c | 24 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/pr54445-2.c | 11 |
5 files changed, 48 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 3fb65fe..a7b950a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2012-09-12 H.J. Lu <hongjiu.lu@intel.com> + + PR target/54445 + * config/i386/predicates.md (x86_64_immediate_operand): Allow + negative offset for UNSPEC_DTPOFF/UNSPEC_NTPOFF. + 2012-09-12 Jan Hubicka <jh@suse.cz> * common.opt (flto-partition): Add "max". diff --git a/gcc/config/i386/predicates.md b/gcc/config/i386/predicates.md index d4f40b1..5234dec 100644 --- a/gcc/config/i386/predicates.md +++ b/gcc/config/i386/predicates.md @@ -201,8 +201,7 @@ { case UNSPEC_DTPOFF: case UNSPEC_NTPOFF: - if (offset > 0 - && trunc_int_for_mode (offset, SImode) == offset) + if (trunc_int_for_mode (offset, SImode) == offset) return true; } break; diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index a72e8ef..62f96b5 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,9 @@ +2012-09-12 H.J. Lu <hongjiu.lu@intel.com> + + PR target/54445 + * gcc.target/i386/pr54445-1.c: New file. + * gcc.target/i386/pr54445-2.c: Likewise. + 2012-09-12 Tobias Burnus <burnus@net-b.de> PR fortran/54225 diff --git a/gcc/testsuite/gcc.target/i386/pr54445-1.c b/gcc/testsuite/gcc.target/i386/pr54445-1.c new file mode 100644 index 0000000..72ef84e --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr54445-1.c @@ -0,0 +1,24 @@ +/* { dg-do run } */ +/* { dg-options "-O2" } */ + +__thread unsigned char tls_array[64]; + +unsigned char +__attribute__ ((noinline)) +tls_array_lookup_with_negative_constant(long long int position) { + return tls_array[position - 1]; +} + +int +main () +{ + int i; + + for (i = 0; i < sizeof (tls_array) / sizeof (tls_array[0]); i++) + tls_array[i] = i; + + for (i = 0; i < sizeof (tls_array) / sizeof (tls_array[0]); i++) + if (i != tls_array_lookup_with_negative_constant (i + 1)) + __builtin_abort (); + return 0; +} diff --git a/gcc/testsuite/gcc.target/i386/pr54445-2.c b/gcc/testsuite/gcc.target/i386/pr54445-2.c new file mode 100644 index 0000000..5151c13 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr54445-2.c @@ -0,0 +1,11 @@ +/* { dg-do compile { target { *-*-linux* && { ! { ia32 } } } } } */ +/* { dg-options "-O2 -fno-pic" } */ + +__thread unsigned char tls_array[64]; + +unsigned char +tls_array_lookup_with_negative_constant(long long int position) { + return tls_array[position - 1]; +} + +/* { dg-final { scan-assembler "mov(b|zbl)\[ \t\](%fs:)?tls_array@tpoff-1\\(%" } } */ |