| #if defined(__ia64__) |
| |
| .global flush_cache |
| |
| .proc flush_cache |
| flush_cache: |
| .prologue |
| alloc r2=ar.pfs,2,0,0,0 |
| add r8=31,in1 // round up to 32 byte-boundary |
| ;; |
| shr.u r8=r8,5 // we flush 32 bytes per iteration |
| ;; |
| add r8=-1,r8 |
| .save ar.lc, r3 |
| mov r3=ar.lc // save ar.lc |
| ;; |
| .body |
| |
| mov ar.lc=r8 |
| ;; |
| .loop: fc in0 // issuable on M0 only |
| add in0=32,in0 |
| br.cloop.sptk.few .loop |
| ;; |
| sync.i |
| ;; |
| srlz.i |
| ;; |
| mov ar.lc=r3 // restore ar.lc |
| br.ret.sptk.many rp |
| .endp flush_cache |
| |
| #elif defined(__i386__) |
| |
| .globl flush_cache |
| flush_cache: |
| ret |
| |
| #elif |
| |
| # error Need flush_cache code for this architecture. |
| |
| #endif |