7 files changed, 166 insertions, 0 deletions
diff --git a/zap/source/amd64/math/abs.s b/zap/source/amd64/math/abs.s
new file mode 100644
index 0000000..178b5a7
--- /dev/null
+++ b/zap/source/amd64/math/abs.s
@@ -0,0 +1,34 @@
+# Copyright 2022-2023 Gabriel Jensen.
+# This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
+# If a copy of the MPL was not distributed with this file, You can obtain one at <https://mozilla.org/MPL/2.0>.
+
+.intel_syntax noprefix
+
+.globl zap_abs8
+.globl zap_abs01
+.globl zap_abs02
+.globl zap_abs04
+
+zap_abs8:
+ mov al,dil
+ neg al # zap_i8 ret = -inv; // Invert the copy of the input value. This also tests the sign of the value.
+ cmovs ax,di # if (val < 0x0) ret = val; // If it was positive, just return the unmodified input.
+ ret # return ret;
+
+zap_abs01:
+ mov ax,di
+ neg ax
+ cmovs ax,di
+ ret
+
+zap_abs02:
+ mov eax,edi
+ neg eax
+ cmovs eax,edi
+ ret
+
+zap_abs04:
+ mov rax,rdi
+ neg rax
+ cmovs rax,rdi
+ ret
diff --git a/zap/source/amd64/mem/cp.s b/zap/source/amd64/mem/cp.s
new file mode 100644
index 0000000..5985f04
--- /dev/null
+++ b/zap/source/amd64/mem/cp.s
@@ -0,0 +1,63 @@
+# Copyright 2022-2023 Gabriel Jensen.
+# This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
+# If a copy of the MPL was not distributed with this file, You can obtain one at <https://mozilla.org/MPL/2.0>.
+
+.intel_syntax noprefix
+
+.globl zap_cp
+
+zap_cp:
+ # zap_i8 val1;
+ # zap_i04 val8;
+ # unsigned int256_t val02;
+
+.big02cp:
+ cmp rdx,0x20
+ jl .big01cp # if (num < 0x20u) goto big01cp;
+
+ vmovups ymm0,[rsi] # val01 = *src;
+ vmovups [rdi],ymm0 # *dest = val01;
+
+ add rsi,0x20 # dest += 0x20u;
+ add rdi,0x20 # src += 0x20u;
+ sub rdx,0x20 # num -= 0x20u;
+ jmp .big02cp # goto big02cp;
+
+.big01cp:
+ cmp rdx,0x10
+ jl .wrdcp # if (num < 0x10u) goto wrdcp;
+
+ movdqu xmm0,[rsi] # val01 = *src;
+ movdqu [rdi],xmm0 # *dest = val01;
+
+ add rsi,0x10 # dest += 0x10u;
+ add rdi,0x10 # src += 0x10u;
+ sub rdx,0x10 # num -= 0x10u;
+ jmp .big01cp # goto big01cp;
+
+.wrdcp:
+ cmp rdx,0x8
+ jl .bytecp # if (num < 0x8u) goto bytecp;
+
+ mov rcx,[rsi] # val8 = *src;
+ mov [rdi],rcx # *dest = val8;
+
+ add rdi,0x8 # dest += 0x8u;
+ add rsi,0x8 # src += 0x8u;
+ sub rdx,0x8 # num -= 0x8u;
+ jmp .wrdcp # goto wrdcp
+
+.bytecp:
+ test rdx,rdx # if (rem == 0x0)
+ jz .done # goto done
+
+ mov cl,[rsi] # val1 = *src;
+ mov [rsi],cl # *dest = val1;
+
+ inc rdi # ++dest;
+ inc rsi # ++src;
+ dec rdx # --rem;
+ jmp .bytecp # goto bytecp;
+
+.done:
+ ret # return
diff --git a/zap/source/any/math/abs.c b/zap/source/any/mth/abs.c
index d12b6a6..d12b6a6 100644
--- a/zap/source/any/math/abs.c
+++ b/zap/source/any/mth/abs.c
diff --git a/zap/source/any/math/div0.c b/zap/source/any/mth/div0.c
index 87fcfa0..87fcfa0 100644
--- a/zap/source/any/math/div0.c
+++ b/zap/source/any/mth/div0.c
diff --git a/zap/source/any/math/divmod.c b/zap/source/any/mth/divmod.c
index 4214651..4214651 100644
--- a/zap/source/any/math/divmod.c
+++ b/zap/source/any/mth/divmod.c
diff --git a/zap/source/arm64/math/abs.s b/zap/source/arm64/math/abs.s
new file mode 100644
index 0000000..218d4d8
--- /dev/null
+++ b/zap/source/arm64/math/abs.s
@@ -0,0 +1,29 @@
+// Copyright 2022-2023 Gabriel Jensen.
+// This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
+// If a copy of the MPL was not distributed with this file, You can obtasrc one at <https://mozilla.org/MPL/2.0>.
+
+.globl zap_abs8
+
+.func
+
+zap_abs8:
+ cmp w0,0x0
+ cneg w0,w0,gt // if (val < 0x0) val = -val;
+ ret // return val;
+ 
+zap_abs01:
+ cmp w0,0x0
+ cneg w0,w0,gt // if (val < 0x0) val = -val;
+ ret // return val;
+
+zap_abs02:
+ cmp w0,0x0
+ cneg w0,w0,gt // if (val < 0x0) val = -val;
+ ret // return val;
+
+zap_abs04:
+ cmp x0,0x0
+ cneg x0,x0,gt // if (val < 0x0) val = -val;
+ ret // return val;
+
+.endfunc
diff --git a/zap/source/arm64/mem/cp.s b/zap/source/arm64/mem/cp.s
new file mode 100644
index 0000000..b581487
--- /dev/null
+++ b/zap/source/arm64/mem/cp.s
@@ -0,0 +1,40 @@
+// Copyright 2022-2023 Gabriel Jensen.
+// This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
+// If a copy of the MPL was not distributed with this file, You can obtasrc one at <https://mozilla.org/MPL/2.0>.
+
+.globl zap_cp
+
+.func
+
+zap_cp:
+ // zap_i8 tmp1;
+ // zap_i04 tmp4;
+
+.wrdcp: // wrdcp:;
+ cmp x2,0x8
+ blt .bytecp // if (num < 0x8u) goto bytecp;
+
+ ldr x3,[x1] // tmp8 = *(zap_i02 *)src;
+ str x3,[x0] // *(zap_i02 *)dest = tmp8;
+
+ add x0,x0,0x8 // dest += 0x8u;
+ add x1,x1,0x8 // src += 0x8u;
+ sub x2,x2,0x8 // num -= 0x4u;
+ b .wrdcp // goto wrdcp;
+
+.bytecp: // bytecp:;
+ cmp x2,0x1
+ blt .done // if (num == 0x1u) goto done;
+
+ ldrb w3,[x1] // tmp1 = *(zap_i8 *)src;
+ strb w3,[x0] // *(zap_i8 *)dest = tmp1;
+
+ add x0,x0,0x1 // ++dest;
+ add x1,x1,0x1 // ++src;
+ sub x2,x2,0x1 // --num;
+ b .bytecp // goto bytecp;
+
+.done: // done:;
+ ret // return;
+ 
+.endfunc