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| author | Richard Sandiford <rdsandiford@googlemail.com> | 2012-02-05 14:53:09 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@gcc.gnu.org> | 2012-02-05 14:53:09 +0000 |
| commit | 16955e8bf016705622c9124a22e39de2fcef2550 (patch) | |
| tree | 6e9fb2c12f45bd9ef6636efe7ac574b2a47da5b2 /gcc | |
| parent | 7bd8c53f50564ff3dd4f7a24363c4e2cb3e9c553 (diff) | |
| download | gcc-16955e8bf016705622c9124a22e39de2fcef2550.zip gcc-16955e8bf016705622c9124a22e39de2fcef2550.tar.gz gcc-16955e8bf016705622c9124a22e39de2fcef2550.tar.bz2 | |
target-supports.exp (check_effective_target_mips_llsc): New.
gcc/testsuite/
* lib/target-supports.exp (check_effective_target_mips_llsc): New.
(check_effective_target_sync_int_long): Use it.
(check_effective_target_sync_char_short): Likewise.
* gcc.target/mips/atomic-memory-1.c: Restrict error check to mips_llsc.
From-SVN: r183909
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/mips/atomic-memory-1.c | 2 | ||||
| -rw-r--r-- | gcc/testsuite/lib/target-supports.exp | 24 |
3 files changed, 30 insertions, 3 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 92d7759..69e62cb 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,10 @@ +2012-02-05 Richard Sandiford <rdsandiford@googlemail.com> + + * lib/target-supports.exp (check_effective_target_mips_llsc): New. + (check_effective_target_sync_int_long): Use it. + (check_effective_target_sync_char_short): Likewise. + * gcc.target/mips/atomic-memory-1.c: Restrict error check to mips_llsc. + 2012-02-05 Tobias Burnus <burnus@net-b.de> PR fortran/51972 diff --git a/gcc/testsuite/gcc.target/mips/atomic-memory-1.c b/gcc/testsuite/gcc.target/mips/atomic-memory-1.c index b2316ee..839d75c 100644 --- a/gcc/testsuite/gcc.target/mips/atomic-memory-1.c +++ b/gcc/testsuite/gcc.target/mips/atomic-memory-1.c @@ -1,6 +1,6 @@ /* { dg-do run } */ -/* { dg-message "note: '__sync_nand_and_fetch' changed semantics in GCC 4.4" "" { target *-*-* } 0 } */ +/* { dg-message "note: '__sync_nand_and_fetch' changed semantics in GCC 4.4" "" { target mips_llsc } 0 } */ extern void abort (void); extern void exit (int); diff --git a/gcc/testsuite/lib/target-supports.exp b/gcc/testsuite/lib/target-supports.exp index b192779..ca10143 100644 --- a/gcc/testsuite/lib/target-supports.exp +++ b/gcc/testsuite/lib/target-supports.exp @@ -890,6 +890,26 @@ proc check_effective_target_mips_newabi_large_long_double { } { } "-mabi=64"] } +# Return true if the target is a MIPS target that has access +# to the LL and SC instructions. + +proc check_effective_target_mips_llsc { } { + if { ![istarget mips*-*-*] } { + return 0 + } + # Assume that these instructions are always implemented for + # non-elf* targets, via emulation if necessary. + if { ![istarget *-*-elf*] } { + return 1 + } + # Otherwise assume LL/SC support for everything but MIPS I. + return [check_no_compiler_messages mips_llsc assembly { + #if __mips == 1 + #error FOO + #endif + }] +} + # Return 1 if the current multilib does not generate PIC by default. proc check_effective_target_nonpic { } { @@ -3770,7 +3790,7 @@ proc check_effective_target_sync_int_long { } { || [istarget powerpc*-*-*] || [istarget sparc64-*-*] || [istarget sparcv9-*-*] - || [istarget mips*-*-*] } { + || [check_effective_target_mips_llsc] } { set et_sync_int_long_saved 1 } } @@ -3800,7 +3820,7 @@ proc check_effective_target_sync_char_short { } { || [istarget powerpc*-*-*] || [istarget sparc64-*-*] || [istarget sparcv9-*-*] - || [istarget mips*-*-*] } { + || [check_effective_target_mips_llsc] } { set et_sync_char_short_saved 1 } } |