mirror of
https://github.com/tobast/libunwind-eh_elf.git
synced 2024-11-23 07:57:38 +01:00
Temporarily add various test-cases which help with performance-tuning.
(Logical change 1.193)
This commit is contained in:
hp.com!davidm
parent
811cc7b452
commit
2b07d73a5a
1 changed files with 280 additions and 69 deletions
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@ -25,9 +25,9 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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#include "ucontext_i.h"
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#include "ucontext_i.h"
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#define GR(n) (SC_GR + (n)*8)
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#define GR(n) (SC_GR + (n)*8)
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#define BR(n) (SC_BR + (n)*8)
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#define BR(n) (SC_BR + (n)*8)
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#define FR(n) (SC_FR + (n)*16)
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#define FR(n) (SC_FR + (n)*16)
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/* This should be compatible to the libc's getcontext(), except that
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/* This should be compatible to the libc's getcontext(), except that
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the sc->sc_mask field is always cleared and that the name is
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the sc->sc_mask field is always cleared and that the name is
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@ -39,120 +39,331 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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.global _Uia64_getcontext
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.global _Uia64_getcontext
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.proc _Uia64_getcontext
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.proc _Uia64_getcontext
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_Uia64_getcontext:
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_Uia64_getcontext:
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#if 0
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add r16 = 0x000, r32
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add r17 = 0x080, r32
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add r18 = 0x100, r32
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add r19 = 0x180, r32
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add r20 = 0x200, r32
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add r21 = 0x280, r32
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add r22 = 0x300, r32
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add r23 = 0x380, r32
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;;
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ld8 r16 = [r16]
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ld8 r17 = [r17]
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ld8 r18 = [r18]
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ld8 r19 = [r19]
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ld8 r20 = [r20]
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ld8 r21 = [r21]
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ld8 r22 = [r22]
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ld8 r23 = [r23]
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;;
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add r16 = r16, r17
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add r18 = r18, r19
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add r20 = r20, r21
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add r22 = r22, r23
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;;
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add r16 = r16, r18
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add r20 = r20, r22
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;;
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add r8 = r16, r20
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br.ret.sptk.many rp
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#elif 0
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add r2 = GR(1), r32;; st8 [r2] = r0
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add r2 = SC_FLAGS, r32;;st8 [r2] = r0
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add r2 = SC_PR, r32;; st8 [r2] = r0
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add r2 = GR(12), r32;; st8 [r2] = r0
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add r2 = FR(2), r32;; stf.spill [r2] = f0
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add r2 = FR(16), r32;; stf.spill [r2] = f0
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add r2 = FR(24), r32;; stf.spill [r2] = f0
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add r2 = FR(31), r32;; stf.spill [r2] = f0
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add r2 = GR(4), r32;; st8 [r2] = r0
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add r2 = GR(5), r32;; st8 [r2] = r0
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add r2 = GR(7), r32;; st8 [r2] = r0
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add r2 = GR(6), r32;; st8 [r2] = r0
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add r2 = BR(0), r32;; st8 [r2] = r0 // 2 cycles
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add r2 = BR(1), r32;; st8 [r2] = r0 // 2 cycles
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add r2 = BR(2), r32;; st8 [r2] = r0 // 2 cycles
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add r2 = BR(4), r32;; st8 [r2] = r0 // 2 cycles
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add r2 = BR(3), r32;; st8 [r2] = r0 // 2 cycles
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add r2 = BR(5), r32;; st8 [r2] = r0 // 2 cycles
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add r2 = SC_PFS, r32;; st8 [r2] = r0 // 2 cycles
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add r2 = SC_LC, r32;; st8 [r2] = r0 // 2 cycles
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add r2 = SC_UNAT, r32;; st8 [r2] = r0 // 5 cycles
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add r2 = SC_BSP, r32;; st8 [r2] = r0 // 12 cycles
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add r2 = SC_FPSR, r32;; st8 [r2] = r0 // 12 cycles
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add r2 = FR(3), r32;; stf.spill [r2] = f0
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add r2 = FR(4), r32;; stf.spill [r2] = f0
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add r2 = FR(5), r32;; stf.spill [r2] = f0
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add r2 = SC_RNAT, r32;; st8 [r2] = r0 // 5 cycles
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add r2 = FR(17), r32;; stf.spill [r2] = f0
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add r2 = FR(18), r32;; stf.spill [r2] = f0
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add r2 = FR(19), r32;; stf.spill [r2] = f0
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add r2 = FR(20), r32;; stf.spill [r2] = f0
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add r2 = FR(21), r32;; stf.spill [r2] = f0
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add r2 = SC_NAT, r32;; st8 [r2] = r0 // last GR spill + 9 cycles
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add r2 = FR(22), r32;; stf.spill [r2] = f0
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add r2 = FR(23), r32;; stf.spill [r2] = f0
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add r2 = FR(25), r32;; stf.spill [r2] = f0
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add r2 = FR(26), r32;; stf.spill [r2] = f0
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add r2 = FR(27), r32;; stf.spill [r2] = f0
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add r2 = FR(28), r32;; stf.spill [r2] = f0
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add r2 = FR(29), r32;; stf.spill [r2] = f0
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add r2 = FR(30), r32;; stf.spill [r2] = f0
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br.ret.sptk.many rp
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#elif 1
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.prologue
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alloc rPFS = ar.pfs, 1, 0, 0, 0 // M2
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mov rPR = pr // I0, 2 cycles
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add r2 = GR(1), in0 // I1
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;;
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.save ar.unat, rUNAT
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mov.m rUNAT = ar.unat // M2, 5 cycles
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.body
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st8.spill [r2] = r1, (SC_FLAGS - GR(1)) // M3
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dep.z rFLAGS = -1, IA64_SC_FLAG_SYNCHRONOUS_BIT, 1 // I0, 1 cycle
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;;
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mov.m rRSC = ar.rsc // M2, 12 cycles
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st8 [r2] = rFLAGS, (SC_PR - SC_FLAGS) // M3
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add r3 = FR(2), in0
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;;
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mov.m rBSP = ar.bsp // M2, 12 cycles
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st8 [r2] = rPR, (GR(12) - SC_PR) // M3
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add r8 = FR(16), in0
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;;
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mov.m rFPSR = ar.fpsr // M2, 12 cycles
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st8.spill [r2] = r12, (GR(4) - GR(12)) // M3
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add r9 = FR(24), in0
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;;
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stf.spill [r3] = f2 // M2
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stf.spill [r8] = f16 // M3
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add r3 = GR(7), in0
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;;
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flushrs // M0
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stf.spill [r9] = f24, (FR(31) - FR(24)) // M2
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mov rB0 = b0 // I0, 2 cycles
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;;
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stf.spill [r9] = f31 // M2
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st8.spill [r2] = r4, (GR(5) - GR(4)) // M3, bank 1
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mov rB1 = b1 // I0, 2 cycles
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;;
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.mem.offset 0,0; st8.spill [r2] = r5, (GR(6) - GR(5)) // M4, bank 0
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.mem.offset 8,0; st8.spill [r3] = r7, (BR(0) - GR(7)) // M3, bank 0
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mov rB2 = b2 // I0, 2 cycles
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;;
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st8.spill [r2] = r6, (BR(1) - GR(6)) // M2, bank 1
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st8 [r3] = rB0, (BR(4) - BR(0)) // M3, bank 1
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mov rB4 = b4 // I0, 2 cycles
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;;
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mov.m rNAT = ar.unat // M2, 5 cycles
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st8 [r2] = rB1, (BR(2) - BR(1)) // M3, bank 0
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mov rB3 = b3
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;;
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st8 [r2] = rB2, (BR(3) - BR(2)) // M2, bank 1
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st8 [r3] = rB4, (SC_LC - BR(4)) // M3, bank 1
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mov rB5 = b5 // I0, 2 cycles
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;;
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and rTMP = ~0x3, rRSC // M0
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add rPOS = GR(0), in0 // rPOS <- &sc_gr[0] // M1
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mov.i rLC = ar.lc // I0, 2 cycles
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;;
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mov.m ar.rsc = rTMP // put RSE into lazy mode // M2, ?? cycles
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st8 [r2] = rB3, (BR(5) - BR(3)) // M3, bank 0
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extr.u rPOS = rPOS, 3, 6 // get NaT bitnr for r0 // I0
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;;
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mov.m rRNAT = ar.rnat // M2, 5 cycles
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st8 [r2] = rB5, (SC_PFS - BR(5)) // M3, bank 0
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sub rCPOS = 64, rPOS // I0
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;;
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st8 [r2] = rPFS, (SC_UNAT - SC_PFS) // M2
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st8 [r3] = rLC, (SC_BSP - SC_LC) // M3
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shr.u rTMP = rNAT, rPOS // I0, 3 cycles
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;;
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st8 [r2] = rUNAT, (SC_FPSR - SC_UNAT) // M2
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st8 [r3] = rBSP // M3
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add r8 = FR(3), in0
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;;
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st8 [r2] = rFPSR, (SC_RNAT - SC_FPSR) // M2
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stf.spill [r8] = f3, (FR(4) - FR(3)) // M3
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add r9 = FR(5), in0
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;;
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stf.spill [r8] = f4, (FR(17) - FR(4)) // M2
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stf.spill [r9] = f5, (FR(19) - FR(5)) // M3
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shl rNAT = rNAT, rCPOS // I0, 3 cycles
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;;
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st8 [r2] = rRNAT, (SC_NAT - SC_RNAT) // M2
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stf.spill [r8] = f17, (FR(18) - FR(17)) // M3
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nop.i 0
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;;
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stf.spill [r8] = f18, (FR(20) - FR(18)) // M2
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stf.spill [r9] = f19, (FR(21) - FR(19)) // M3
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nop.i 0
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;;
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stf.spill [r8] = f20, (FR(22) - FR(20)) // M2
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stf.spill [r9] = f21, (FR(23) - FR(21)) // M3
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or rNAT = rNAT, rTMP // I0
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;;
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st8 [r2] = rNAT // M2
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stf.spill [r8] = f22, (FR(25) - FR(22)) // M3
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;;
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stf.spill [r9] = f23, (FR(26) - FR(23)) // M2
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stf.spill [r8] = f25, (FR(27) - FR(25)) // M3
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;;
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stf.spill [r9] = f26, (FR(28) - FR(26)) // M2
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stf.spill [r8] = f27, (FR(29) - FR(27)) // M3
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;;
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mov.m ar.rsc = rRSC // restore RSE mode // M2
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stf.spill [r9] = f28, (FR(30) - FR(28)) // M3
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;;
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mov.m ar.unat = rUNAT // restore caller's UNaT // M2
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stf.spill [r8] = f29 // M3
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;;
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stf.spill [r9] = f30 // M2
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mov r8 = 0
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br.ret.sptk.many rp
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#elif 0
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.prologue
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.prologue
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alloc rPFS = ar.pfs, 1, 0, 0, 0
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alloc rPFS = ar.pfs, 1, 0, 0, 0
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mov.m rFPSR = ar.fpsr
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add r3 = SC_MASK, r32
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add r2 = SC_MASK, r32
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;;
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;;
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st8 [r2] = r0 // clear sc->sc_mask
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st8 [r3] = r0 // clear sc->sc_mask
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flushrs // save dirty partition on rbs
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mov.m rFPSR = ar.fpsr
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mov.m rRSC = ar.rsc
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mov.m rRSC = ar.rsc
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add r2 = GR(1), r32
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add r2 = SC_GR+1*8, r32
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;;
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;;
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mov.m rBSP = ar.bsp
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mov.m rBSP = ar.bsp
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.save ar.unat, rUNAT
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.save ar.unat, rUNAT
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mov.m rUNAT = ar.unat
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mov.m rUNAT = ar.unat
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.body
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.body
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add r3 = GR(12), r32
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add r3 = SC_GR+4*8, r32
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;;
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;;
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.mem.offset 0,0; st8.spill [r2] = r1, (SC_NAT - GR(1))
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.mem.offset 8,0; st8.spill [r3] = sp, (SC_PR - GR(12))
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.mem.offset 0,0; st8.spill [r2] = r1, (5*8 - 1*8)
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mov rPR = pr
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.mem.offset 8,0; st8.spill [r3] = r4, 16
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;;
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;;
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lfetch.fault.nt1 [r2] // prefetch nat...ar.lc
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.mem.offset 0,0; st8.spill [r2] = r5, 16
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st8 [r3] = rPR
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.mem.offset 8,0; st8.spill [r3] = r6, 48
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adds r2 = FR(2), r32
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;;
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stf.spill [r2] = f2, (FR(16) - FR(2))
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;;
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stf.spill [r2] = f16, (FR(31) - FR(16))
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add r3 = FR(24), r32
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;;
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flushrs // save dirty partition on rbs
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stf.spill [r3] = f24
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add r3 = GR(4), r32
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;;
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stf.spill [r2] = f31
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st8.spill [r3] = r4, (GR(6) - GR(4))
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add r2 = GR(5), r32
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;;
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.mem.offset 0,0; st8.spill [r2] = r5, (GR(7) - GR(5))
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.mem.offset 8,0; st8.spill [r3] = r6
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and rTMP = ~0x3, rRSC
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and rTMP = ~0x3, rRSC
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;;
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;;
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st8.spill [r2] = r7
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.mem.offset 0,0; st8.spill [r2] = r7, (SC_FR+2*16-(SC_GR+7*8))
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.mem.offset 8,0; st8.spill [r3] = sp, (SC_FR+3*16-(SC_GR+12*8))
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;;
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mov.m ar.rsc = rTMP // put RSE into enforced lazy mode
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mov.m ar.rsc = rTMP // put RSE into enforced lazy mode
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mov.m rNAT = ar.unat
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mov.i rLC = ar.lc
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mov.i rLC = ar.lc
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;;
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;;
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mov.m rNAT = ar.unat
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mov.m rRNAT = ar.rnat
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mov.m rRNAT = ar.rnat
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add r2 = FR(3), r32
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;;
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mov.m ar.rsc = rRSC // restore RSE mode
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mov.m ar.rsc = rRSC // restore RSE mode
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stf.spill [r2] = f3, (FR(4) - FR(3))
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mov rPR = pr
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add r3 = FR(5), r32
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;;
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stf.spill [r2] = f4, (FR(17) - FR(4))
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stf.spill [r3] = f5, (FR(18) - FR(5))
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/*
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/*
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* Rotate NaT bits by rPOS positions to the right:
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* Rotate NaT bits by rPOS positions to the right:
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*/
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*/
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add rPOS = GR(0), r32 // rPOS <- &sc_gr[0]
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stf.spill [r2] = f2, 32
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stf.spill [r3] = f3, 32
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add rPOS = SC_GR, r32 // rPOS <- &sc_gr[0]
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;;
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;;
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stf.spill [r2] = f17, (FR(19) - FR(17))
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stf.spill [r2] = f4, (16*16-4*16)
|
||||||
stf.spill [r3] = f18, (FR(20) - FR(18))
|
stf.spill [r3] = f5, (17*16-5*16)
|
||||||
extr.u rPOS = rPOS, 3, 6 // get NaT bit number for r0
|
extr.u rPOS = rPOS, 3, 6 // get NaT bit number for r0
|
||||||
;;
|
;;
|
||||||
stf.spill [r2] = f19, (FR(21) - FR(19))
|
stf.spill [r2] = f16, 32
|
||||||
stf.spill [r3] = f20, (FR(22) - FR(20))
|
stf.spill [r3] = f17, 32
|
||||||
sub rCPOS = 64, rPOS
|
sub rCPOS = 64, rPOS
|
||||||
;;
|
;;
|
||||||
stf.spill [r2] = f21, (FR(23) - FR(21))
|
stf.spill [r2] = f18, 32
|
||||||
stf.spill [r3] = f22, (FR(25) - FR(22))
|
stf.spill [r3] = f19, 32
|
||||||
shr.u rTMP = rNAT, rPOS
|
shr.u rTMP = rNAT, rPOS
|
||||||
;;
|
;;
|
||||||
stf.spill [r2] = f23, (FR(26) - FR(23))
|
stf.spill [r2] = f20, 32
|
||||||
stf.spill [r3] = f25, (FR(27) - FR(25))
|
stf.spill [r3] = f21, 32
|
||||||
shl rNAT = rNAT, rCPOS
|
shl rNAT = rNAT, rCPOS
|
||||||
;;
|
;;
|
||||||
stf.spill [r2] = f26, (FR(28) - FR(26))
|
stf.spill [r2] = f22, 32
|
||||||
stf.spill [r3] = f27, (FR(29) - FR(27))
|
stf.spill [r3] = f23, 32
|
||||||
or rNAT = rNAT, rTMP
|
or rNAT = rNAT, rTMP
|
||||||
;;
|
;;
|
||||||
stf.spill [r2] = f28, (FR(30) - FR(28))
|
stf.spill [r2] = f24, 32
|
||||||
stf.spill [r3] = f29
|
stf.spill [r3] = f25, 32
|
||||||
|
mov r8 = 0
|
||||||
|
;;
|
||||||
|
stf.spill [r2] = f26, 32
|
||||||
|
stf.spill [r3] = f27, 32
|
||||||
|
mov r9 = 1
|
||||||
|
;;
|
||||||
|
stf.spill [r2] = f28, 32
|
||||||
|
stf.spill [r3] = f29, 32
|
||||||
mov rB0 = b0
|
mov rB0 = b0
|
||||||
;;
|
;;
|
||||||
stf.spill [r2] = f30
|
stf.spill [r2] = f30, 32
|
||||||
mov ar.unat = rUNAT // done with integer regs; restore caller's UNaT
|
stf.spill [r3] = f31, 32
|
||||||
mov rB1 = b1
|
mov rB1 = b1
|
||||||
;;
|
;;
|
||||||
|
mov ar.unat = rUNAT // done with integer regs; restore caller's UNaT
|
||||||
add r2 = SC_NAT, r32
|
add r2 = SC_NAT, r32
|
||||||
add r3 = SC_BSP, r32
|
add r3 = SC_BSP, r32
|
||||||
|
;;
|
||||||
|
st8 [r2] = rNAT, (SC_RNAT-SC_NAT)
|
||||||
|
st8 [r3] = rBSP, (SC_UNAT-SC_BSP)
|
||||||
mov rB2 = b2
|
mov rB2 = b2
|
||||||
;;
|
;;
|
||||||
st8 [r2] = rNAT, (SC_RNAT - SC_NAT)
|
st8 [r2] = rRNAT, (SC_FPSR-SC_RNAT)
|
||||||
st8 [r3] = rBSP, (SC_UNAT - SC_BSP)
|
st8 [r3] = rUNAT, (SC_PFS-SC_UNAT)
|
||||||
mov rB3 = b3
|
mov rB3 = b3
|
||||||
;;
|
;;
|
||||||
st8 [r2] = rRNAT, (SC_FPSR - SC_RNAT)
|
st8 [r2] = rFPSR, (SC_LC-SC_FPSR)
|
||||||
st8 [r3] = rUNAT, (SC_PFS - SC_UNAT)
|
st8 [r3] = rPFS, (SC_PR-SC_PFS)
|
||||||
mov rB4 = b4
|
mov rB4 = b4
|
||||||
;;
|
;;
|
||||||
st8 [r2] = rFPSR, (SC_LC - SC_FPSR)
|
st8 [r2] = rLC, (SC_BR+0*8-SC_LC)
|
||||||
st8 [r3] = rPFS, (BR(0) - SC_PFS)
|
st8 [r3] = rPR, (SC_BR+1*8-SC_PR)
|
||||||
mov rB5 = b5
|
mov rB5 = b5
|
||||||
;;
|
;;
|
||||||
st8 [r2] = rLC, (BR(1) - SC_LC)
|
st8 [r2] = rB0, 16
|
||||||
st8 [r3] = rB0, (BR(2) - BR(0))
|
st8 [r3] = rB1, 16
|
||||||
;;
|
;;
|
||||||
st8 [r2] = rB1, (BR(3) - BR(1))
|
st8 [r2] = rB2, 16
|
||||||
st8 [r3] = rB2, (BR(4) - BR(2))
|
st8 [r3] = rB3, 16
|
||||||
;;
|
;;
|
||||||
st8 [r2] = rB3, (BR(5) - BR(3))
|
st8 [r2] = rB4
|
||||||
st8 [r3] = rB4
|
st8 [r3] = rB5
|
||||||
;;
|
|
||||||
st8 [r2] = rB5
|
|
||||||
mov r8 = 0
|
|
||||||
br.ret.sptk.many rp
|
br.ret.sptk.many rp
|
||||||
|
#endif
|
||||||
|
|
||||||
.endp _Uia64_getcontext
|
.endp _Uia64_getcontext
|
||||||
|
|
|
||||||
Loading…
Reference in a new issue