--- gdtoa_smisc.s	before
+++ gdtoa_smisc.s	after
@@ -134,7 +134,7 @@ __ratio_D2A:                            
 	.cfi_def_cfa_register %rbp
 	pushq	%r14
 	pushq	%rbx
-	subq	$48, %rsp
+	subq	$32, %rsp
 .Lcfi11:
 	.cfi_offset %rbx, -32
 .Lcfi12:
@@ -143,44 +143,55 @@ __ratio_D2A:                            
 	movq	%rdi, %rbx
 	movq	__stack_chk_guard(%rip), %rax
 	movq	%rax, -24(%rbp)
-	leaq	-44(%rbp), %rsi
+	leaq	-28(%rbp), %rsi
 	callq	__b2d_D2A
-	movsd	%xmm0, -56(%rbp)        # 8-byte Spill
-	movsd	%xmm0, -32(%rbp)
-	leaq	-48(%rbp), %rsi
+	movsd	%xmm0, -40(%rbp)        # 8-byte Spill
+	leaq	-32(%rbp), %rsi
 	movq	%r14, %rdi
 	callq	__b2d_D2A
-	movsd	%xmm0, -40(%rbp)
-	movl	-44(%rbp), %eax
-	subl	-48(%rbp), %eax
-	movl	20(%rbx), %ecx
-	subl	20(%r14), %ecx
-	shll	$5, %ecx
+	movl	-28(%rbp), %ecx
+	subl	-32(%rbp), %ecx
+	movl	20(%rbx), %eax
+	subl	20(%r14), %eax
+	shll	$5, %eax
+	addl	%ecx, %eax
+	jle	.LBB1_2
+# BB#1:                                 # %if.then
+	shll	$20, %eax
+	movq	-40(%rbp), %xmm1        # 8-byte Folded Reload
+                                        # xmm1 = mem[0],zero
+	movd	%xmm1, %rcx
+	movl	%ecx, %edx
+	shrq	$32, %rcx
 	addl	%eax, %ecx
-	movl	%ecx, %eax
-	negl	%eax
-	cmovll	%ecx, %eax
-	testl	%ecx, %ecx
-	leaq	-32(%rbp), %rcx
-	leaq	-40(%rbp), %rdx
-	cmovgq	%rcx, %rdx
+	shlq	$32, %rcx
+	orq	%rcx, %rdx
+	movd	%rdx, %xmm1
+	jmp	.LBB1_3
+.LBB1_2:                                # %if.else
 	shll	$20, %eax
-	orq	$4, %rdx
-	addl	%eax, (%rdx)
+	movd	%xmm0, %rcx
+	movl	%ecx, %edx
+	shrq	$32, %rcx
+	subl	%eax, %ecx
+	shlq	$32, %rcx
+	orq	%rcx, %rdx
+	movd	%rdx, %xmm0
+	movq	-40(%rbp), %xmm1        # 8-byte Folded Reload
+                                        # xmm1 = mem[0],zero
+.LBB1_3:                                # %if.end
 	movq	__stack_chk_guard(%rip), %rax
 	cmpq	-24(%rbp), %rax
-	jne	.LBB1_2
-# BB#1:                                 # %entry
-	movsd	-56(%rbp), %xmm1        # 8-byte Reload
-                                        # xmm1 = mem[0],zero
+	jne	.LBB1_5
+# BB#4:                                 # %if.end
 	divsd	%xmm0, %xmm1
 	movapd	%xmm1, %xmm0
-	addq	$48, %rsp
+	addq	$32, %rsp
 	popq	%rbx
 	popq	%r14
 	popq	%rbp
 	retq
-.LBB1_2:                                # %entry
+.LBB1_5:                                # %if.end
 	callq	__stack_chk_fail
 .Lfunc_end1:
 	.size	__ratio_D2A, .Lfunc_end1-__ratio_D2A