Add new code

Signed-off-by: Carlos Maiolino <[email protected]>

1 files changed, 35 insertions, 0 deletions

diff --git a/CSAPP/leaq.s b/CSAPP/leaq.s
new file mode 100644
index 0000000..a97b842
--- /dev/null
+++ b/CSAPP/leaq.s
@@ -0,0 +1,35 @@
+	.file	"leaq.c"
+	.text
+	.globl	scale
+	.type	scale, @function
+scale:
+.LFB0:
+	.cfi_startproc
+	pushq	%rbp
+	.cfi_def_cfa_offset 16
+	.cfi_offset 6, -16
+	movq	%rsp, %rbp
+	.cfi_def_cfa_register 6
+	movq	%rdi, -24(%rbp)
+	movq	%rsi, -32(%rbp)
+	movq	%rdx, -40(%rbp)
+	movq	-32(%rbp), %rax
+	leaq	0(,%rax,4), %rdx
+	movq	-24(%rbp), %rax
+	leaq	(%rdx,%rax), %rcx
+	movq	-40(%rbp), %rdx
+	movq	%rdx, %rax
+	addq	%rax, %rax
+	addq	%rdx, %rax
+	salq	$2, %rax
+	addq	%rcx, %rax
+	movq	%rax, -8(%rbp)
+	movq	-8(%rbp), %rax
+	popq	%rbp
+	.cfi_def_cfa 7, 8
+	ret
+	.cfi_endproc
+.LFE0:
+	.size	scale, .-scale
+	.ident	"GCC: (GNU) 10.2.1 20200723 (Red Hat 10.2.1-1)"
+	.section	.note.GNU-stack,"",@progbits