Ignored vs Assumed Semantics in BDE

AttributeComparator::operator()(BloombergLP::ball::Attribute const&, BloombergLP::ball::Attribute const&) const - Assumed

0000000000413df0 <AttributeComparator::operator()(BloombergLP::ball::Attribute const&, BloombergLP::ball::Attribute const&) const>:
M0000000000000000:	pushq	%rbp	;  1 bytes
M0000000000000001:	pushq	%r15	;  2 bytes
M0000000000000003:	pushq	%r14	;  2 bytes
M0000000000000005:	pushq	%rbx	;  1 bytes
M0000000000000006:	pushq	%rax	;  1 bytes
M0000000000000007:	movq	%rdx, %r15	;  3 bytes
M000000000000000a:	movq	%rsi, %r14	;  3 bytes
M000000000000000d:	movq	(%rsi), %rdi	;  3 bytes
M0000000000000010:	movq	(%rdx), %rsi	;  3 bytes
M0000000000000013:	callq	0x404470 <strcmp@plt>	;  5 bytes
M0000000000000018:	testl	%eax, %eax	;  2 bytes
M000000000000001a:	je	0x413e13 <AttributeComparator::operator()(BloombergLP::ball::Attribute const&, BloombergLP::ball::Attribute const&) const+0x23>	;  2 bytes
M000000000000001c:	movl	%eax, %ebx	;  2 bytes
M000000000000001e:	shrl	$31, %ebx	;  3 bytes
M0000000000000021:	jmp	0x413e8b <AttributeComparator::operator()(BloombergLP::ball::Attribute const&, BloombergLP::ball::Attribute const&) const+0x9b>	;  2 bytes
M0000000000000023:	movl	56(%r14), %eax	;  4 bytes
M0000000000000027:	cmpl	56(%r15), %eax	;  4 bytes
M000000000000002b:	jne	0x413e88 <AttributeComparator::operator()(BloombergLP::ball::Attribute const&, BloombergLP::ball::Attribute const&) const+0x98>	;  2 bytes
M000000000000002d:	leaq	8(%r14), %rdi	;  4 bytes
M0000000000000031:	leaq	8(%r15), %rsi	;  4 bytes
M0000000000000035:	cmpl	$3, %eax	;  3 bytes
M0000000000000038:	je	0x413e37 <AttributeComparator::operator()(BloombergLP::ball::Attribute const&, BloombergLP::ball::Attribute const&) const+0x47>	;  2 bytes
M000000000000003a:	cmpl	$2, %eax	;  3 bytes
M000000000000003d:	jne	0x413e84 <AttributeComparator::operator()(BloombergLP::ball::Attribute const&, BloombergLP::ball::Attribute const&) const+0x94>	;  2 bytes
M000000000000003f:	movq	(%rdi), %rax	;  3 bytes
M0000000000000042:	cmpq	(%rsi), %rax	;  3 bytes
M0000000000000045:	jmp	0x413e88 <AttributeComparator::operator()(BloombergLP::ball::Attribute const&, BloombergLP::ball::Attribute const&) const+0x98>	;  2 bytes
M0000000000000047:	movq	32(%r14), %rax	;  4 bytes
M000000000000004b:	movq	32(%r15), %rcx	;  4 bytes
M000000000000004f:	cmpq	%rcx, %rax	;  3 bytes
M0000000000000052:	setb	%bl	;  3 bytes
M0000000000000055:	movq	%rcx, %rdx	;  3 bytes
M0000000000000058:	cmovbq	%rax, %rdx	;  4 bytes
M000000000000005c:	testq	%rdx, %rdx	;  3 bytes
M000000000000005f:	je	0x413e8b <AttributeComparator::operator()(BloombergLP::ball::Attribute const&, BloombergLP::ball::Attribute const&) const+0x9b>	;  2 bytes
M0000000000000061:	xorl	%ebx, %ebx	;  2 bytes
M0000000000000063:	cmpq	%rcx, %rax	;  3 bytes
M0000000000000066:	setb	%bpl	;  4 bytes
M000000000000006a:	cmpq	$23, 40(%r15)	;  5 bytes
M000000000000006f:	je	0x413e65 <AttributeComparator::operator()(BloombergLP::ball::Attribute const&, BloombergLP::ball::Attribute const&) const+0x75>	;  2 bytes
M0000000000000071:	movq	8(%r15), %rsi	;  4 bytes
M0000000000000075:	cmpq	$23, 40(%r14)	;  5 bytes
M000000000000007a:	je	0x413e70 <AttributeComparator::operator()(BloombergLP::ball::Attribute const&, BloombergLP::ball::Attribute const&) const+0x80>	;  2 bytes
M000000000000007c:	movq	8(%r14), %rdi	;  4 bytes
M0000000000000080:	callq	0x404560 <memcmp@plt>	;  5 bytes
M0000000000000085:	xorl	%ecx, %ecx	;  2 bytes
M0000000000000087:	testl	%eax, %eax	;  2 bytes
M0000000000000089:	sets	%cl	;  3 bytes
M000000000000008c:	movb	%bpl, %bl	;  3 bytes
M000000000000008f:	cmovnel	%ecx, %ebx	;  3 bytes
M0000000000000092:	jmp	0x413e8b <AttributeComparator::operator()(BloombergLP::ball::Attribute const&, BloombergLP::ball::Attribute const&) const+0x9b>	;  2 bytes
M0000000000000094:	movl	(%rdi), %eax	;  2 bytes
M0000000000000096:	cmpl	(%rsi), %eax	;  2 bytes
M0000000000000098:	setl	%bl	;  3 bytes
M000000000000009b:	movl	%ebx, %eax	;  2 bytes
M000000000000009d:	addq	$8, %rsp	;  4 bytes
M00000000000000a1:	popq	%rbx	;  1 bytes
M00000000000000a2:	popq	%r14	;  2 bytes
M00000000000000a4:	popq	%r15	;  2 bytes
M00000000000000a6:	popq	%rbp	;  1 bytes
M00000000000000a7:	retq		;  1 bytes
M00000000000000a8:	nopl	(%rax,%rax)	;  8 bytes