diff options
Diffstat (limited to 'lib/Target/Sparc/README.txt')
| -rw-r--r-- | lib/Target/Sparc/README.txt | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/lib/Target/Sparc/README.txt b/lib/Target/Sparc/README.txt index b4991fe..34e68cf 100644 --- a/lib/Target/Sparc/README.txt +++ b/lib/Target/Sparc/README.txt @@ -38,7 +38,7 @@ t1: 1) should be replaced with a brz in V9 mode. -* Same as above, but emit conditional move on register zero (p192) in V9 +* Same as above, but emit conditional move on register zero (p192) in V9 mode. Testcase: int %t1(int %a, int %b) { @@ -47,13 +47,15 @@ int %t1(int %a, int %b) { ret int %D } -* Emit MULX/[SU]DIVX instructions in V9 mode instead of fiddling +* Emit MULX/[SU]DIVX instructions in V9 mode instead of fiddling with the Y register, if they are faster. * Codegen bswap(load)/store(bswap) -> load/store ASI -* Implement frame pointer elimination, e.g. eliminate save/restore for +* Implement frame pointer elimination, e.g. eliminate save/restore for leaf fns. * Fill delay slots * Implement JIT support + +* Use %g0 directly to materialize 0. No instruction is required. |