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-rw-r--r--zap/src/streq.c83
1 files changed, 0 insertions, 83 deletions
diff --git a/zap/src/streq.c b/zap/src/streq.c
deleted file mode 100644
index 1ff4420..0000000
--- a/zap/src/streq.c
+++ /dev/null
@@ -1,83 +0,0 @@
-/*
- Copyright 2022 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/.
-*/
-
-#include <zap/priv.h>
-
-#include <zap/mem.h>
-
-#include <stdbool.h>
-#include <stdint.h>
-
-#if zap_priv_fastimpl
-__asm__ (
- ".globl zap_streq\n"
-
- "zap_streq:\n"
- /*
- char const * lstr
- char const * rstr
- */
-#if defined(sus_arch_amd64)
- /* rax: Address of the current input character. */
- "movq %rdi,%rax\n"
- /* rsi: Address of the current output character. */
- "movq %rsi,%rsi\n"
- /* rdx: Current input character. */
- /* rcx: Current output character. */
- ".loop:\n"
- "movb (%rax),%dl\n" /* Move the characters into registers. */
- "movb (%rsi),%cl\n"
- "cmpb %dl,%cl\n" /* Check if the characters are equal... */
- "jne .neq\n" /* ... indicate inequality if they are not. */
- "testb %dl,%dl\n" /* Check if we have reached the null-terminator... */
- "jz .eq\n" /* ... indicate equality if we have. */
- "incq %rax\n" /* Increment positions. */
- "incq %rsi\n"
- "jmp .loop\n" /* Restart loop. */
- ".eq:\n" /* Indicate equality. */
- "movb $0x1,%al\n"
- "ret\n"
- ".neq:\n" /* Indicate inequality. */
- "movb $0x0,%al\n"
- "ret\n"
-#elif defined(sus_arch_ia32)
- /* eax: Address of the current input character. */
- "movl 0x4(%esp),%eax\n"
- /* ecx: Address of the current output character. */
- "movl 0x8(%esp),%ecx\n"
- /* edx: Current input character. */
- /* edx: Current output character. */
- ".loop:\n"
- "movb (%eax),%dl\n" /* Move the characters into registers. */
- "movb (%ecx),%dh\n"
- "cmpb %dl,%dh\n" /* Check if the characters are equal... */
- "jne .neq\n" /* ... indicate inequality if they are not. */
- "testb %dl,%dl\n" /* Check if we have reached the null-terminator... */
- "jz .eq\n" /* ... indicate equality if we have. */
- "incl %eax\n" /* Increment positions. */
- "incl %ecx\n"
- "jmp .loop\n" /* Restart loop. */
- ".eq:\n" /* Indicate equality. */
- "movb $0x1,%al\n"
- "ret\n"
- ".neq:\n" /* Indicate inequality. */
- "movb $0x0,%al\n"
- "ret\n"
-#endif
-);
-#else
-bool zap_streq(char const * const _lstr,char const * const _rstr) {
- char const * lpos = _lstr;
- char const * rpos = _rstr;
- for (;;++lpos,++rpos) {
- char const lchr = *lpos;
- char const rchr = *rpos;
- sus_likely (lchr != rchr) {return false;}
- if (lchr == '\x0') {return true;}
- }
- sus_unreach();
-}
-#endif