$ g++ -o mixed_entropy.64.O2.s -S mixed_entropy.cc -Wall -O2

mixed_entropy.64.O2.s

	.file	"mixed_entropy.cc"
	.text
	.p2align 4,,15
	.globl	_Z13mixed_entropydd
	.type	_Z13mixed_entropydd, @function
_Z13mixed_entropydd:
.LFB123:
	.cfi_startproc
	movapd	%xmm0, %xmm2
	subq	$40, %rsp
	.cfi_def_cfa_offset 48
	xorpd	%xmm0, %xmm0
	ucomisd	%xmm0, %xmm1
	jp	.L5
	jne	.L5
	addq	$40, %rsp
	.cfi_remember_state
	.cfi_def_cfa_offset 8
	ret
	.p2align 4,,10
	.p2align 3
.L5:
	.cfi_restore_state
	movapd	%xmm1, %xmm0
	movsd	%xmm1, (%rsp)
	movsd	%xmm2, 16(%rsp)
	call	log
	movsd	(%rsp), %xmm1
	movsd	16(%rsp), %xmm2
	addq	$40, %rsp
	.cfi_def_cfa_offset 8
	divsd	%xmm1, %xmm2
	subsd	%xmm2, %xmm0
	ret
	.cfi_endproc
.LFE123:
	.size	_Z13mixed_entropydd, .-_Z13mixed_entropydd
	.section	.rodata.str1.1,"aMS",@progbits,1
.LC1:
	.string	"d = %g\n"
	.section	.text.startup,"ax",@progbits
	.p2align 4,,15
	.globl	main
	.type	main, @function
main:
.LFB124:
	.cfi_startproc
	subq	$8, %rsp
	.cfi_def_cfa_offset 16
	xorpd	%xmm0, %xmm0
	movq	stdout(%rip), %rdi
	movl	$.LC1, %edx
	movl	$1, %esi
	movl	$1, %eax
	call	__fprintf_chk
	movq	stdout(%rip), %rdi
	xorpd	%xmm0, %xmm0
	movl	$.LC1, %edx
	movl	$1, %esi
	movl	$1, %eax
	call	__fprintf_chk
	movsd	.LC2(%rip), %xmm1
	movsd	.LC3(%rip), %xmm0
	call	_Z13mixed_entropydd
	movq	stdout(%rip), %rdi
	movl	$.LC1, %edx
	movl	$1, %esi
	movl	$1, %eax
	call	__fprintf_chk
	xorl	%eax, %eax
	addq	$8, %rsp
	.cfi_def_cfa_offset 8
	ret
	.cfi_endproc
.LFE124:
	.size	main, .-main
	.section	.rodata.cst8,"aM",@progbits,8
	.align 8
.LC2:
	.long	0
	.long	1074266112
	.align 8
.LC3:
	.long	3087238288
	.long	1074421215
	.ident	"GCC: (Ubuntu/Linaro 4.6.3-1ubuntu5) 4.6.3"
	.section	.note.GNU-stack,"",@progbits