avoid branch

NeoChen1024 · Dec 2, 2020 · ae95995 · ae95995
1 parent 7a43824
commit ae95995
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Showing 2 changed files with 3 additions and 4 deletions.
diff --git a/libbrainfunk.c b/libbrainfunk.c
@@ -162,8 +162,7 @@ EXEC(a)
 EXEC(mul)
 {
 	/* *(Current + offset) += Current * mul */
-	if(cpu->mem[cpu->ptr] != 0)
-		cpu->mem[(cpu->ptr + cpu->code[cpu->pc].arg.dual.offset) % cpu->size.mem] += cpu->mem[cpu->ptr] * cpu->code[cpu->pc].arg.dual.mul;
+	cpu->mem[(cpu->ptr + cpu->code[cpu->pc].arg.dual.offset) % cpu->size.mem] += cpu->mem[cpu->ptr] * cpu->code[cpu->pc].arg.dual.mul;
 	cpu->pc++;
 	return _CONT;
 }

diff --git a/libstdbfc.h b/libstdbfc.h
@@ -45,7 +45,7 @@ pid_t p=0;
 
 typedef uint8_t memory_t;
 memory_t *memory;
-int ptr=0;
+unsigned int ptr=0;
 
 #define current (memory[ptr])
 
@@ -61,7 +61,7 @@ void panic(char *msg)
 #define	a(x)	\
 	current += x
 #define mul(mul, offset)	\
-	if(memory[ptr]) memory[ptr + offset] += current * mul
+	memory[(ptr + offset) % MEMSIZE] += current * mul
 #define	s(x)	\
 	current = x
 #define f(x)	\