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authorTSR Berry <20988865+TSRBerry@users.noreply.github.com>2023-04-08 01:22:00 +0200
committerMary <thog@protonmail.com>2023-04-27 23:51:14 +0200
commitcee712105850ac3385cd0091a923438167433f9f (patch)
tree4a5274b21d8b7f938c0d0ce18736d3f2993b11b1 /ARMeilleure/CodeGen/X86/CallingConvention.cs
parentcd124bda587ef09668a971fa1cac1c3f0cfc9f21 (diff)
Move solution and projects to src
Diffstat (limited to 'ARMeilleure/CodeGen/X86/CallingConvention.cs')
-rw-r--r--ARMeilleure/CodeGen/X86/CallingConvention.cs158
1 files changed, 0 insertions, 158 deletions
diff --git a/ARMeilleure/CodeGen/X86/CallingConvention.cs b/ARMeilleure/CodeGen/X86/CallingConvention.cs
deleted file mode 100644
index 953fef5b..00000000
--- a/ARMeilleure/CodeGen/X86/CallingConvention.cs
+++ /dev/null
@@ -1,158 +0,0 @@
-using System;
-
-namespace ARMeilleure.CodeGen.X86
-{
- static class CallingConvention
- {
- private const int RegistersMask = 0xffff;
-
- public static int GetIntAvailableRegisters()
- {
- return RegistersMask & ~(1 << (int)X86Register.Rsp);
- }
-
- public static int GetVecAvailableRegisters()
- {
- return RegistersMask;
- }
-
- public static int GetIntCallerSavedRegisters()
- {
- if (GetCurrentCallConv() == CallConvName.Windows)
- {
- return (1 << (int)X86Register.Rax) |
- (1 << (int)X86Register.Rcx) |
- (1 << (int)X86Register.Rdx) |
- (1 << (int)X86Register.R8) |
- (1 << (int)X86Register.R9) |
- (1 << (int)X86Register.R10) |
- (1 << (int)X86Register.R11);
- }
- else /* if (GetCurrentCallConv() == CallConvName.SystemV) */
- {
- return (1 << (int)X86Register.Rax) |
- (1 << (int)X86Register.Rcx) |
- (1 << (int)X86Register.Rdx) |
- (1 << (int)X86Register.Rsi) |
- (1 << (int)X86Register.Rdi) |
- (1 << (int)X86Register.R8) |
- (1 << (int)X86Register.R9) |
- (1 << (int)X86Register.R10) |
- (1 << (int)X86Register.R11);
- }
- }
-
- public static int GetVecCallerSavedRegisters()
- {
- if (GetCurrentCallConv() == CallConvName.Windows)
- {
- return (1 << (int)X86Register.Xmm0) |
- (1 << (int)X86Register.Xmm1) |
- (1 << (int)X86Register.Xmm2) |
- (1 << (int)X86Register.Xmm3) |
- (1 << (int)X86Register.Xmm4) |
- (1 << (int)X86Register.Xmm5);
- }
- else /* if (GetCurrentCallConv() == CallConvName.SystemV) */
- {
- return RegistersMask;
- }
- }
-
- public static int GetIntCalleeSavedRegisters()
- {
- return GetIntCallerSavedRegisters() ^ RegistersMask;
- }
-
- public static int GetVecCalleeSavedRegisters()
- {
- return GetVecCallerSavedRegisters() ^ RegistersMask;
- }
-
- public static int GetArgumentsOnRegsCount()
- {
- return 4;
- }
-
- public static int GetIntArgumentsOnRegsCount()
- {
- return 6;
- }
-
- public static int GetVecArgumentsOnRegsCount()
- {
- return 8;
- }
-
- public static X86Register GetIntArgumentRegister(int index)
- {
- if (GetCurrentCallConv() == CallConvName.Windows)
- {
- switch (index)
- {
- case 0: return X86Register.Rcx;
- case 1: return X86Register.Rdx;
- case 2: return X86Register.R8;
- case 3: return X86Register.R9;
- }
- }
- else /* if (GetCurrentCallConv() == CallConvName.SystemV) */
- {
- switch (index)
- {
- case 0: return X86Register.Rdi;
- case 1: return X86Register.Rsi;
- case 2: return X86Register.Rdx;
- case 3: return X86Register.Rcx;
- case 4: return X86Register.R8;
- case 5: return X86Register.R9;
- }
- }
-
- throw new ArgumentOutOfRangeException(nameof(index));
- }
-
- public static X86Register GetVecArgumentRegister(int index)
- {
- int count;
-
- if (GetCurrentCallConv() == CallConvName.Windows)
- {
- count = 4;
- }
- else /* if (GetCurrentCallConv() == CallConvName.SystemV) */
- {
- count = 8;
- }
-
- if ((uint)index < count)
- {
- return X86Register.Xmm0 + index;
- }
-
- throw new ArgumentOutOfRangeException(nameof(index));
- }
-
- public static X86Register GetIntReturnRegister()
- {
- return X86Register.Rax;
- }
-
- public static X86Register GetIntReturnRegisterHigh()
- {
- return X86Register.Rdx;
- }
-
- public static X86Register GetVecReturnRegister()
- {
- return X86Register.Xmm0;
- }
-
- public static CallConvName GetCurrentCallConv()
- {
- return OperatingSystem.IsWindows()
- ? CallConvName.Windows
- : CallConvName.SystemV;
- }
- }
-} \ No newline at end of file