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| author | Richard Sandiford <rdsandiford@googlemail.com> | 2012-12-23 10:01:40 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@gcc.gnu.org> | 2012-12-23 10:01:40 +0000 |
| commit | 5f842aa5b66d19ecdbfa00315b48377abb005ba6 (patch) | |
| tree | cc58f8c1b9ce1f9f03c50893d0e18a4ffd52e096 /gcc | |
| parent | e018435a975e87719d068cb02e73b92a99528e93 (diff) | |
| download | gcc-5f842aa5b66d19ecdbfa00315b48377abb005ba6.zip gcc-5f842aa5b66d19ecdbfa00315b48377abb005ba6.tar.gz gcc-5f842aa5b66d19ecdbfa00315b48377abb005ba6.tar.bz2 | |
r10k-cache-barrier-10.c: Make a branch-likely instruction more likely.
gcc/testsuite/
* gcc.target/mips/r10k-cache-barrier-10.c: Make a branch-likely
instruction more likely.
From-SVN: r194705
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/mips/r10k-cache-barrier-10.c | 6 |
2 files changed, 11 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index ed50045..315fb0e 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,10 @@ 2012-12-23 Richard Sandiford <rdsandiford@googlemail.com> + * gcc.target/mips/r10k-cache-barrier-10.c: Make a branch-likely + instruction more likely. + +2012-12-23 Richard Sandiford <rdsandiford@googlemail.com> + * gcc.target/mips/pr55315.c: Cast to long rather than int. 2012-12-22 Tobias Burnus <burnus@net-b.de> diff --git a/gcc/testsuite/gcc.target/mips/r10k-cache-barrier-10.c b/gcc/testsuite/gcc.target/mips/r10k-cache-barrier-10.c index 1b8c6f4a..ad0d2b0 100644 --- a/gcc/testsuite/gcc.target/mips/r10k-cache-barrier-10.c +++ b/gcc/testsuite/gcc.target/mips/r10k-cache-barrier-10.c @@ -9,6 +9,12 @@ unsigned char *bar (int); NOMIPS16 void foo (unsigned char *n) { + /* n starts in $4, but will be in $2 after the call to bar. + Encourage it to be in $2 on entry to the loop as well, + by doing some computation on it beforehand (D?ADDIU $2,$4,4). + dbr_schedule should then pull the *n load (L[WD] ...,0($2)) + into the delay slot. */ + n += 4; do n = bar (*n + 1); while (n); |