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Results 1 - 3 of 3 for isARM64bitcon (0.19 sec)

  1. src/cmd/compile/internal/ssa/_gen/ARM64latelower.rules

    (SUBconst [c] x) && !isARM64addcon(c)  => (SUB x (MOVDconst [c]))
    (ANDconst [c] x) && !isARM64bitcon(uint64(c)) => (AND x (MOVDconst [c]))
    (ORconst  [c] x) && !isARM64bitcon(uint64(c))  => (OR  x (MOVDconst [c]))
    (XORconst [c] x) && !isARM64bitcon(uint64(c))  => (XOR x (MOVDconst [c]))
    (TSTconst [c] x) && !isARM64bitcon(uint64(c))  => (TST x (MOVDconst [c]))
    (TSTWconst [c] x) && !isARM64bitcon(uint64(c)|uint64(c)<<32)  => (TSTW x (MOVDconst [int64(c)]))
    
    Registered: Wed Jun 12 16:32:35 UTC 2024
    - Last Modified: Tue Mar 12 19:38:41 UTC 2024
    - 4.1K bytes
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  2. src/cmd/compile/internal/ssa/rewriteARM64latelower.go

    	v_0 := v.Args[0]
    	b := v.Block
    	typ := &b.Func.Config.Types
    	// match: (ANDconst [c] x)
    	// cond: !isARM64bitcon(uint64(c))
    	// result: (AND x (MOVDconst [c]))
    	for {
    		c := auxIntToInt64(v.AuxInt)
    		x := v_0
    		if !(!isARM64bitcon(uint64(c))) {
    			break
    		}
    		v.reset(OpARM64AND)
    		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
    		v0.AuxInt = int64ToAuxInt(c)
    Registered: Wed Jun 12 16:32:35 UTC 2024
    - Last Modified: Tue Mar 12 19:38:41 UTC 2024
    - 19.3K bytes
    - Viewed (0)
  3. src/cmd/compile/internal/ssa/rewrite.go

    		return true
    	case "arm", "s390x", "ppc64", "ppc64le", "wasm", "loong64":
    		return bits >= 32
    	default:
    		return false
    	}
    }
    
    // isARM64bitcon reports whether a constant can be encoded into a logical instruction.
    func isARM64bitcon(x uint64) bool {
    	if x == 1<<64-1 || x == 0 {
    		return false
    	}
    	// determine the period and sign-extend a unit to 64 bits
    	switch {
    	case x != x>>32|x<<32:
    Registered: Wed Jun 12 16:32:35 UTC 2024
    - Last Modified: Fri Jun 07 19:02:52 UTC 2024
    - 64.2K bytes
    - Viewed (0)
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