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(save_static_to_mem2): New function.
(save_static_to_mem3): Likewise. (save_static_to_mem4): Likewise. (save_static_to_mem5): Likewise. (save_static_to_scratch): Save f4 to f6 to improve test coverage. (Logical change 1.185)
This commit is contained in:
hp.com!davidm
parent
61d42ccf66
commit
5071803e5d
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@ -206,6 +206,171 @@ save_static_to_mem:
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br.ret.sptk.many rp
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.endp save_static_to_mem
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/* Spill r6 into memory and save primary ar.unat in a register. */
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.global save_static_to_mem2
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.proc save_static_to_mem2
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save_static_to_mem2:
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.prologue
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.regstk 2, 5, 2, 0
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.save ar.pfs, loc0
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alloc loc0 = ar.pfs, 2, 5, 2, 0
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.save rp, loc1
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mov loc1 = rp
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.save ar.unat, loc2
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mov loc2 = ar.unat
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.fframe 16
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.spillpsp r6, 16
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st8.spill [sp] = r6, -16;;
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.save @priunat, loc3
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mov loc3 = ar.unat
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mov ar.unat = 0 // trash ar.unat
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.body
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LOAD_VAL(r6)
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CALL_NEXT(loc4)
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mov ar.unat = loc3 // restore primary UNaT
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.restore sp
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add sp = 16, sp;;
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ld8.fill r6 = [sp] // restore r6
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mov ar.pfs = loc0
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mov rp = loc1
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mov ar.unat = loc2 // restore ar.unat
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br.ret.sptk.many rp
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.endp save_static_to_mem2
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/* Spill r6 into memory and save primary ar.unat in memory. */
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.global save_static_to_mem3
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.proc save_static_to_mem3
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save_static_to_mem3:
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.prologue
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.regstk 2, 5, 2, 0
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.save ar.pfs, loc0
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alloc loc0 = ar.pfs, 2, 5, 2, 0
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.save rp, loc1
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mov loc1 = rp
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.save ar.unat, loc2
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mov loc2 = ar.unat
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add r2 = 8, sp
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.fframe 16
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.spillpsp r6, 16
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st8.spill [sp] = r6, -16;;
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mov r3 = ar.unat;;
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.savepsp @priunat, 8
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st8 [r2] = r3
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mov ar.unat = 0 // trash ar.unat
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.body
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LOAD_VAL(r6)
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CALL_NEXT(loc4)
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add r2 = 24, sp;;
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ld8 r3 = [r2];;
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mov ar.unat = r3 // restore primary UNaT
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.restore sp
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add sp = 16, sp;;
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ld8.fill r6 = [sp] // restore r6
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mov ar.pfs = loc0
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mov rp = loc1
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mov ar.unat = loc2 // restore ar.unat
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br.ret.sptk.many rp
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.endp save_static_to_mem3
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/* Spill r6 into memory and save primary ar.unat in register,
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then in memory. */
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.global save_static_to_mem4
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.proc save_static_to_mem4
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save_static_to_mem4:
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.prologue
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.regstk 2, 5, 2, 0
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.save ar.pfs, loc0
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alloc loc0 = ar.pfs, 2, 5, 2, 0
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.save rp, loc1
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mov loc1 = rp
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.save ar.unat, loc2
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mov loc2 = ar.unat
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add r2 = 8, sp
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.fframe 16
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.spillpsp r6, 16
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st8.spill [sp] = r6, -16;;
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.save @priunat, r3
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mov r3 = ar.unat;;
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mov ar.unat = 0 // trash ar.unat
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.savepsp @priunat, 8
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st8 [r2] = r3
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mov r3 = r0 // trash register pri UNaT location
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.body
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LOAD_VAL(r6)
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CALL_NEXT(loc4)
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add r2 = 24, sp;;
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ld8 r3 = [r2];;
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mov ar.unat = r3 // restore primary UNaT
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.restore sp
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add sp = 16, sp;;
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ld8.fill r6 = [sp] // restore r6
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mov ar.pfs = loc0
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mov rp = loc1
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mov ar.unat = loc2 // restore ar.unat
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br.ret.sptk.many rp
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.endp save_static_to_mem4
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/* Spill r6 into memory and save primary ar.unat in register,
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then in memory. */
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.global save_static_to_mem5
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.proc save_static_to_mem5
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save_static_to_mem5:
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.prologue
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.regstk 2, 5, 2, 0
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.save ar.pfs, loc0
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alloc loc0 = ar.pfs, 2, 5, 2, 0
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.save rp, loc1
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mov loc1 = rp
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.save ar.unat, loc2
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mov loc2 = ar.unat
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add r2 = 8, sp
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.fframe 16
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.spillpsp r6, 16
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st8.spill [sp] = r6, -16;;
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mov r3 = ar.unat;;
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mov ar.unat = 0 // trash ar.unat
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.savepsp @priunat, 8
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st8 [r2] = r3
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.save @priunat, loc3
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mov loc3 = r3
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st8 [r2] = r0 // trash memory pri UNaT location
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.body
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LOAD_VAL(r6)
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CALL_NEXT(loc4)
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add r2 = 24, sp;;
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ld8 r3 = [r2];;
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mov ar.unat = loc3 // restore primary UNaT
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.restore sp
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add sp = 16, sp;;
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ld8.fill r6 = [sp] // restore r6
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mov ar.pfs = loc0
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mov rp = loc1
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mov ar.unat = loc2 // restore ar.unat
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br.ret.sptk.many rp
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.endp save_static_to_mem5
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/* Save r4-r7 to various scratch registers, then trigger
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a segfault. */
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@ -225,12 +390,15 @@ save_static_to_scratch:
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setf.sig f32 = r6 // save r6 in f32 (fph partition)
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.spillsp r7, 0
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st8.spill [sp] = r7 // save r7 in the scratch stack space
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.spillreg f4, f6
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mov f6 = f4;;
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.body
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LOAD_VAL(r4)
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LOAD_VAL(r5)
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LOAD_VAL(r6)
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LOAD_VAL(r7)
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setf.sig f4 = r4
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/* Now force a SIGSEGV. Make sure the ld8 is at the beginning of a
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bundle, so the signal-handler can skip over it simply by
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@ -242,6 +410,7 @@ save_static_to_scratch:
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nop.i 0 ;;
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}
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mov f4 = f6
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mov r4 = r16
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.pred.rel.mutex p6, p7
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(p6) getf.sig r5 = f31
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