diff options
| author | Daniel Hellstrom <daniel@gaisler.com> | 2014-05-27 11:15:46 +0200 |
|---|---|---|
| committer | Daniel Hellstrom <daniel@gaisler.com> | 2014-11-19 16:29:58 +0100 |
| commit | de4b74fd8478a569780e4565f864678f2014a6bc (patch) | |
| tree | 32b606a913b2fb8437cd832f7fdc7d7fd9fbe363 | |
| parent | c0040d8ea80788d91ccad7ea05e94c0ce9503943 (diff) | |
SPARC: window overflow optimization
I see no need for waiting the 3 instruction delay for wim to be
written in this case, since the STD after does not depend on WIM
| -rw-r--r-- | c/src/lib/libcpu/sparc/reg_win/window.S | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/c/src/lib/libcpu/sparc/reg_win/window.S b/c/src/lib/libcpu/sparc/reg_win/window.S index dffac6af92..453cc74ce4 100644 --- a/c/src/lib/libcpu/sparc/reg_win/window.S +++ b/c/src/lib/libcpu/sparc/reg_win/window.S @@ -61,7 +61,6 @@ SYM(window_overflow_trap_handler): save ! Get into window to be saved. mov %g1, %wim ! load new WIM - nop; nop; nop ! 3 slot delay std %l0, [%sp + 0x00] ! save local register set std %l2, [%sp + 0x08] std %l4, [%sp + 0x10] |