ObjFW  Check-in [780d096371]

Overview
Comment:invocation: Make all offsets constants

This makes the assembly much more readable.

No difference between disassembled .o file before and after.

Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA3-256: 780d0963712b39e53c30ac0e12ef7075cd993952b4fa530b8f7cc67ea937972c
User & Date: js on 2019-02-18 01:37:36
Other Links: manifest | tags
Context
2019-02-18
20:55
Replace a few movdqa with movaps check-in: a1da5c7b2d user: js tags: trunk
01:37
invocation: Make all offsets constants check-in: 780d096371 user: js tags: trunk
2019-02-17
22:44
tests: Only import ObjFW.h check-in: dc0c6c34ab user: js tags: trunk
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Modified src/forwarding/forwarding-x86_64-elf.S from [024a3c3b09] to [bf0e91fafa].

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	movq	-0x18(%rbp), %rsi
	movq	-0x10(%rbp), %rdi
	movq	-0x8(%rbp), %rax

	movq	%rbp, %rsp
	popq	%rbp

	jmpq     *%r11

0:
	movq	-0x10(%rbp), %rdi
	movq	-0x18(%rbp), %rsi

	movq	%rbp, %rsp
	popq	%rbp








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	movq	-0x18(%rbp), %rsi
	movq	-0x10(%rbp), %rdi
	movq	-0x8(%rbp), %rax

	movq	%rbp, %rsp
	popq	%rbp

	jmpq	*%r11

0:
	movq	-0x10(%rbp), %rdi
	movq	-0x18(%rbp), %rsi

	movq	%rbp, %rsp
	popq	%rbp
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	movq	-0x18(%rbp), %rsi
	movq	-0x10(%rbp), %rdi
	movq	-0x8(%rbp), %rax

	movq	%rbp, %rsp
	popq	%rbp

	jmpq     *%r11

0:
	movq	-0x10(%rbp), %rdi
	movq	-0x18(%rbp), %rsi
	movq	-0x20(%rbp), %rdx

	movq	%rbp, %rsp








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	movq	-0x18(%rbp), %rsi
	movq	-0x10(%rbp), %rdi
	movq	-0x8(%rbp), %rax

	movq	%rbp, %rsp
	popq	%rbp

	jmpq	*%r11

0:
	movq	-0x10(%rbp), %rdi
	movq	-0x18(%rbp), %rsi
	movq	-0x20(%rbp), %rdx

	movq	%rbp, %rsp
︙︙

Modified src/forwarding/forwarding-x86_64-macho.S from [dbba3c172d] to [4197c22f3e].

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	movq	-0x18(%rbp), %rsi
	movq	-0x10(%rbp), %rdi
	movq	-0x8(%rbp), %rax

	movq	%rbp, %rsp
	popq	%rbp

	jmpq     *%r11

0:
	movq	-0x10(%rbp), %rdi
	movq	-0x18(%rbp), %rsi

	movq	%rbp, %rsp
	popq	%rbp








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	movq	-0x18(%rbp), %rsi
	movq	-0x10(%rbp), %rdi
	movq	-0x8(%rbp), %rax

	movq	%rbp, %rsp
	popq	%rbp

	jmpq	*%r11

0:
	movq	-0x10(%rbp), %rdi
	movq	-0x18(%rbp), %rsi

	movq	%rbp, %rsp
	popq	%rbp
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	movq	-0x18(%rbp), %rsi
	movq	-0x10(%rbp), %rdi
	movq	-0x8(%rbp), %rax

	movq	%rbp, %rsp
	popq	%rbp

	jmpq     *%r11

0:
	movq	-0x10(%rbp), %rdi
	movq	-0x18(%rbp), %rsi
	movq	-0x20(%rbp), %rdx

	movq	%rbp, %rsp








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	movq	-0x18(%rbp), %rsi
	movq	-0x10(%rbp), %rdi
	movq	-0x8(%rbp), %rax

	movq	%rbp, %rsp
	popq	%rbp

	jmpq	*%r11

0:
	movq	-0x10(%rbp), %rdi
	movq	-0x18(%rbp), %rsi
	movq	-0x20(%rbp), %rdx

	movq	%rbp, %rsp
︙︙

Modified src/forwarding/forwarding-x86_64-win64.S from [0abe827006] to [be30bb9442].

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	movq	-0x38(%rbp), %rdx
	movq	-0x30(%rbp), %rcx
	movq	-0x28(%rbp), %rax

	movq	%rbp, %rsp
	popq	%rbp

	jmpq     *%r11

0:
	movq	-0x30(%rbp), %rcx
	movq	-0x38(%rbp), %rdx

	movq	%rbp, %rsp
	popq	%rbp








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	movq	-0x38(%rbp), %rdx
	movq	-0x30(%rbp), %rcx
	movq	-0x28(%rbp), %rax

	movq	%rbp, %rsp
	popq	%rbp

	jmpq	*%r11

0:
	movq	-0x30(%rbp), %rcx
	movq	-0x38(%rbp), %rdx

	movq	%rbp, %rsp
	popq	%rbp
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	movq	-0x38(%rbp), %rdx
	movq	-0x30(%rbp), %rcx
	movq	-0x28(%rbp), %rax

	movq	%rbp, %rsp
	popq	%rbp

	jmpq     *%r11

0:
	movq	-0x30(%rbp), %rcx
	movq	-0x38(%rbp), %rdx
	movq	-0x40(%rbp), %r8

	movq	%rbp, %rsp








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	movq	-0x38(%rbp), %rdx
	movq	-0x30(%rbp), %rcx
	movq	-0x28(%rbp), %rax

	movq	%rbp, %rsp
	popq	%rbp

	jmpq	*%r11

0:
	movq	-0x30(%rbp), %rcx
	movq	-0x38(%rbp), %rdx
	movq	-0x40(%rbp), %r8

	movq	%rbp, %rsp
︙︙

Modified src/invocation/apple-call-x86_64.S from [0efe8758d7] to [2b14e6dad4].

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	pushq	%rbp
	movq	%rsp, %rbp

	subq	$16, %rsp
	andq	$-16, %rsp
	movq	%rdi, -8(%rbp)

	leaq	240(%rdi), %rdx
	movq	232(%rdi), %rcx

	testq	$1, %rcx
	jnz	Lfix_align

Lfill_stack:
	testq	%rcx, %rcx
	jz	Lstack_filled

	decq	%rcx
	movq	(%rdx,%rcx,8), %r11
	pushq	%r11

	jmp	Lfill_stack

Lstack_filled:
	movb	224(%rdi), %al

	movdqa	176(%rdi), %xmm7
	movdqa	160(%rdi), %xmm6
	movdqa	144(%rdi), %xmm5
	movdqa	128(%rdi), %xmm4
	movdqa	112(%rdi), %xmm3
	movdqa	96(%rdi), %xmm2
	movdqa	80(%rdi), %xmm1
	movdqa	64(%rdi), %xmm0

	movq	40(%rdi), %r9
	movq	32(%rdi), %r8
	movq	24(%rdi), %rcx
	movq	16(%rdi), %rdx
	movq	8(%rdi), %rsi

	movb	225(%rdi), %r11b
	movq	0(%rdi), %rdi

	cmpb	$RETURN_TYPE_STRET, %r11b
	je	Lcall_send_stret

	cmpb	$RETURN_TYPE_JMP, %r11b
	je	_objc_msgSend

	cmpb	$RETURN_TYPE_JMP_STRET, %r11b
	je	_objc_msgSend_stret

	call	_objc_msgSend

Lafter_send:
	movq	-8(%rbp), %rdi
	movq	%rax, 48(%rdi)
	movq	%rdx, 56(%rdi)
	movdqa	%xmm0, 64(%rdi)
	movdqa	%xmm1, 80(%rdi)

	movb	225(%rdi), %r11b

	cmpb	$RETURN_TYPE_X87, %r11b
	je	Lpop_long_double

	cmpb	$RETURN_TYPE_COMPLEX_X87, %r11b
	je	Lpop_complex_long_double









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	pushq	%rbp
	movq	%rsp, %rbp

	subq	$16, %rsp
	andq	$-16, %rsp
	movq	%rdi, -8(%rbp)

	leaq	OFFSET_STACK(%rdi), %rdx
	movq	OFFSET_STACK_SIZE(%rdi), %rcx

	testq	$1, %rcx
	jnz	Lfix_align

Lfill_stack:
	testq	%rcx, %rcx
	jz	Lstack_filled

	decq	%rcx
	movq	(%rdx,%rcx,8), %r11
	pushq	%r11

	jmp	Lfill_stack

Lstack_filled:
	movb	OFFSET_NUM_SSE_USED(%rdi), %al

	movdqa	OFFSET_SSE_INOUT+112(%rdi), %xmm7
	movdqa	OFFSET_SSE_INOUT+96(%rdi), %xmm6
	movdqa	OFFSET_SSE_INOUT+80(%rdi), %xmm5
	movdqa	OFFSET_SSE_INOUT+64(%rdi), %xmm4
	movdqa	OFFSET_SSE_INOUT+48(%rdi), %xmm3
	movdqa	OFFSET_SSE_INOUT+32(%rdi), %xmm2
	movdqa	OFFSET_SSE_INOUT+16(%rdi), %xmm1
	movdqa	OFFSET_SSE_INOUT(%rdi), %xmm0

	movq	OFFSET_GPR_IN+40(%rdi), %r9
	movq	OFFSET_GPR_IN+32(%rdi), %r8
	movq	OFFSET_GPR_IN+24(%rdi), %rcx
	movq	OFFSET_GPR_IN+16(%rdi), %rdx
	movq	OFFSET_GPR_IN+8(%rdi), %rsi

	movb	OFFSET_RETURN_TYPE(%rdi), %r11b
	movq	OFFSET_GPR_IN(%rdi), %rdi

	cmpb	$RETURN_TYPE_STRET, %r11b
	je	Lcall_send_stret

	cmpb	$RETURN_TYPE_JMP, %r11b
	je	_objc_msgSend

	cmpb	$RETURN_TYPE_JMP_STRET, %r11b
	je	_objc_msgSend_stret

	call	_objc_msgSend

Lafter_send:
	movq	-8(%rbp), %rdi
	movq	%rax, OFFSET_GPR_OUT(%rdi)
	movq	%rdx, OFFSET_GPR_OUT+8(%rdi)
	movdqa	%xmm0, OFFSET_SSE_INOUT(%rdi)
	movdqa	%xmm1, OFFSET_SSE_INOUT+16(%rdi)

	movb	OFFSET_RETURN_TYPE(%rdi), %r11b

	cmpb	$RETURN_TYPE_X87, %r11b
	je	Lpop_long_double

	cmpb	$RETURN_TYPE_COMPLEX_X87, %r11b
	je	Lpop_complex_long_double
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	jmp	Lfill_stack

Lcall_send_stret:
	call	_objc_msgSend_stret
	jmp	Lafter_send

Lpop_long_double:
	fstpt	192(%rdi)
	jmp	Lreturn

Lpop_complex_long_double:
	fstpt	192(%rdi)
	fstpt	208(%rdi)
	jmp	Lreturn








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	jmp	Lfill_stack

Lcall_send_stret:
	call	_objc_msgSend_stret
	jmp	Lafter_send

Lpop_long_double:
	fstpt	OFFSET_X87_OUT(%rdi)
	jmp	Lreturn

Lpop_complex_long_double:
	fstpt	OFFSET_X87_OUT(%rdi)
	fstpt	OFFSET_X87_OUT+16(%rdi)
	jmp	Lreturn

Modified src/invocation/call-x86_64-elf.S from [dd3cafda04] to [d3f8a4b569].

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	pushq	%rbp
	movq	%rsp, %rbp

	subq	$16, %rsp
	andq	$-16, %rsp
	movq	%rdi, -8(%rbp)

	movb	225(%rdi), %r11b
	cmpb	$RETURN_TYPE_STRET, %r11b
	je	.lookup_stret
	cmpb	$RETURN_TYPE_JMP_STRET, %r11b
	je	.lookup_stret

	movq	8(%rdi), %rsi
	movq	0(%rdi), %rdi
	call	objc_msg_lookup@PLT

.after_lookup:
	movq	%rax, -16(%rbp)
	movq	-8(%rbp), %rdi

	leaq	240(%rdi), %rdx
	movq	232(%rdi), %rcx

	testq	$1, %rcx
	jnz	.fix_align

.fill_stack:
	testq	%rcx, %rcx
	jz	.stack_filled

	decq	%rcx
	movq	(%rdx,%rcx,8), %r11
	pushq	%r11

	jmp	.fill_stack

.stack_filled:
	movb	224(%rdi), %al

	movdqa	176(%rdi), %xmm7
	movdqa	160(%rdi), %xmm6
	movdqa	144(%rdi), %xmm5
	movdqa	128(%rdi), %xmm4
	movdqa	112(%rdi), %xmm3
	movdqa	96(%rdi), %xmm2
	movdqa	80(%rdi), %xmm1
	movdqa	64(%rdi), %xmm0

	movq	40(%rdi), %r9
	movq	32(%rdi), %r8
	movq	24(%rdi), %rcx
	movq	16(%rdi), %rdx
	movq	8(%rdi), %rsi

	movb	225(%rdi), %r11b
	movq	0(%rdi), %rdi

	cmpb	$RETURN_TYPE_JMP, %r11b
	je	.jmp_into_method
	cmpb	$RETURN_TYPE_JMP_STRET, %r11b
	je	.jmp_into_method

	movq	-16(%rbp), %r11
	call	*%r11

.after_send:
	movq	-8(%rbp), %rdi
	movq	%rax, 48(%rdi)
	movq	%rdx, 56(%rdi)
	movdqa	%xmm0, 64(%rdi)
	movdqa	%xmm1, 80(%rdi)

	movb	225(%rdi), %r11b

	cmpb	$RETURN_TYPE_X87, %r11b
	je	.pop_long_double

	cmpb	$RETURN_TYPE_COMPLEX_X87, %r11b
	je	.pop_complex_long_double

.return:
	movq	%rbp, %rsp
	popq	%rbp

	ret

.fix_align:
	xorq	%r11, %r11
	pushq	%r11
	jmp	.fill_stack

.lookup_stret:
	movq	16(%rdi), %rsi
	movq	8(%rdi), %rdi
	call	objc_msg_lookup_stret@PLT

	jmp	.after_lookup

.jmp_into_method:
	movq	-16(%rbp), %r11
	jmp	*%r11

.pop_long_double:
	fstpt	192(%rdi)
	jmp	.return

.pop_complex_long_double:
	fstpt	192(%rdi)
	fstpt	208(%rdi)
	jmp	.return

#ifdef OF_LINUX
.section .note.GNU-stack, "", %progbits
#endif








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	pushq	%rbp
	movq	%rsp, %rbp

	subq	$16, %rsp
	andq	$-16, %rsp
	movq	%rdi, -8(%rbp)

	movb	OFFSET_RETURN_TYPE(%rdi), %r11b
	cmpb	$RETURN_TYPE_STRET, %r11b
	je	.lookup_stret
	cmpb	$RETURN_TYPE_JMP_STRET, %r11b
	je	.lookup_stret

	movq	OFFSET_GPR_IN+8(%rdi), %rsi
	movq	OFFSET_GPR_IN+0(%rdi), %rdi
	call	objc_msg_lookup@PLT

.after_lookup:
	movq	%rax, -16(%rbp)
	movq	-8(%rbp), %rdi

	leaq	OFFSET_STACK(%rdi), %rdx
	movq	OFFSET_STACK_SIZE(%rdi), %rcx

	testq	$1, %rcx
	jnz	.fix_align

.fill_stack:
	testq	%rcx, %rcx
	jz	.stack_filled

	decq	%rcx
	movq	(%rdx,%rcx,8), %r11
	pushq	%r11

	jmp	.fill_stack

.stack_filled:
	movb	OFFSET_NUM_SSE_USED(%rdi), %al

	movdqa	OFFSET_SSE_INOUT+112(%rdi), %xmm7
	movdqa	OFFSET_SSE_INOUT+96(%rdi), %xmm6
	movdqa	OFFSET_SSE_INOUT+80(%rdi), %xmm5
	movdqa	OFFSET_SSE_INOUT+64(%rdi), %xmm4
	movdqa	OFFSET_SSE_INOUT+48(%rdi), %xmm3
	movdqa	OFFSET_SSE_INOUT+32(%rdi), %xmm2
	movdqa	OFFSET_SSE_INOUT+16(%rdi), %xmm1
	movdqa	OFFSET_SSE_INOUT(%rdi), %xmm0

	movq	OFFSET_GPR_IN+40(%rdi), %r9
	movq	OFFSET_GPR_IN+32(%rdi), %r8
	movq	OFFSET_GPR_IN+24(%rdi), %rcx
	movq	OFFSET_GPR_IN+16(%rdi), %rdx
	movq	OFFSET_GPR_IN+8(%rdi), %rsi

	movb	OFFSET_RETURN_TYPE(%rdi), %r11b
	movq	OFFSET_GPR_IN(%rdi), %rdi

	cmpb	$RETURN_TYPE_JMP, %r11b
	je	.jmp_into_method
	cmpb	$RETURN_TYPE_JMP_STRET, %r11b
	je	.jmp_into_method

	movq	-16(%rbp), %r11
	call	*%r11

.after_send:
	movq	-8(%rbp), %rdi
	movq	%rax, OFFSET_GPR_OUT(%rdi)
	movq	%rdx, OFFSET_GPR_OUT+8(%rdi)
	movdqa	%xmm0, OFFSET_SSE_INOUT(%rdi)
	movdqa	%xmm1, OFFSET_SSE_INOUT+16(%rdi)

	movb	OFFSET_RETURN_TYPE(%rdi), %r11b

	cmpb	$RETURN_TYPE_X87, %r11b
	je	.pop_long_double

	cmpb	$RETURN_TYPE_COMPLEX_X87, %r11b
	je	.pop_complex_long_double

.return:
	movq	%rbp, %rsp
	popq	%rbp

	ret

.fix_align:
	xorq	%r11, %r11
	pushq	%r11
	jmp	.fill_stack

.lookup_stret:
	movq	OFFSET_GPR_IN+16(%rdi), %rsi
	movq	OFFSET_GPR_IN+8(%rdi), %rdi
	call	objc_msg_lookup_stret@PLT

	jmp	.after_lookup

.jmp_into_method:
	movq	-16(%rbp), %r11
	jmp	*%r11

.pop_long_double:
	fstpt	OFFSET_X87_OUT(%rdi)
	jmp	.return

.pop_complex_long_double:
	fstpt	OFFSET_X87_OUT(%rdi)
	fstpt	OFFSET_X87_OUT+16(%rdi)
	jmp	.return

#ifdef OF_LINUX
.section .note.GNU-stack, "", %progbits
#endif

Modified src/invocation/invoke-x86_64.h from [901f61cec1] to [e663702067].

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#define RETURN_TYPE_NORMAL	0
#define RETURN_TYPE_STRET	1
#define RETURN_TYPE_X87		2
#define RETURN_TYPE_COMPLEX_X87	3
#define RETURN_TYPE_JMP		4
#define RETURN_TYPE_JMP_STRET	5






















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#define RETURN_TYPE_NORMAL	0
#define RETURN_TYPE_STRET	1
#define RETURN_TYPE_X87		2
#define RETURN_TYPE_COMPLEX_X87	3
#define RETURN_TYPE_JMP		4
#define RETURN_TYPE_JMP_STRET	5

#define NUM_GPR_IN	6
#define NUM_GPR_OUT	2
#define NUM_SSE_INOUT	8
#define NUM_X87_OUT	2

#define OFFSET_GPR_IN		0
#define OFFSET_GPR_OUT		(OFFSET_GPR_IN + NUM_GPR_IN * 8)
#define OFFSET_SSE_INOUT	(OFFSET_GPR_OUT + NUM_GPR_OUT * 8)
#define OFFSET_X87_OUT		(OFFSET_SSE_INOUT + NUM_SSE_INOUT * 16)
#define OFFSET_NUM_SSE_USED	(OFFSET_X87_OUT + NUM_X87_OUT * 16)
#define OFFSET_RETURN_TYPE	(OFFSET_NUM_SSE_USED + 1)
#define OFFSET_STACK_SIZE	(OFFSET_RETURN_TYPE + 7)
#define OFFSET_STACK		(OFFSET_STACK_SIZE + 8)

Modified src/invocation/invoke-x86_64.m from [9312a70bd8] to [47d3793287].

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#import "OFInvalidFormatException.h"
#import "OFOutOfMemoryException.h"

#import "invoke-x86_64.h"

#import "macros.h"

#define NUM_GPR_IN 6
#define NUM_GPR_OUT 2
#define NUM_SSE_IN 8
#define NUM_X87_OUT 2

struct call_context {
	uint64_t GPR[NUM_GPR_IN + NUM_GPR_OUT];
	__m128 SSE[NUM_SSE_IN];
	long double X87[NUM_X87_OUT];
	uint8_t numSSEUsed;
	uint8_t returnType;
	uint64_t stackSize;
	uint64_t stack[];
};









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#import "OFInvalidFormatException.h"
#import "OFOutOfMemoryException.h"

#import "invoke-x86_64.h"

#import "macros.h"






struct call_context {
	uint64_t GPR[NUM_GPR_IN + NUM_GPR_OUT];
	__m128 SSE[NUM_SSE_INOUT];
	long double X87[NUM_X87_OUT];
	uint8_t numSSEUsed;
	uint8_t returnType;
	uint64_t stackSize;
	uint64_t stack[];
};
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static void
pushDouble(struct call_context **context, uint_fast8_t *currentSSE,
    double value)
{
	struct call_context *newContext;

	if (*currentSSE < NUM_SSE_IN) {
		(*context)->SSE[(*currentSSE)++] = (__m128)_mm_set_sd(value);
		(*context)->numSSEUsed++;
		return;
	}

	if ((newContext = realloc(*context,
	    sizeof(**context) + ((*context)->stackSize + 1) * 8)) == NULL) {








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static void
pushDouble(struct call_context **context, uint_fast8_t *currentSSE,
    double value)
{
	struct call_context *newContext;

	if (*currentSSE < NUM_SSE_INOUT) {
		(*context)->SSE[(*currentSSE)++] = (__m128)_mm_set_sd(value);
		(*context)->numSSEUsed++;
		return;
	}

	if ((newContext = realloc(*context,
	    sizeof(**context) + ((*context)->stackSize + 1) * 8)) == NULL) {
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static void
pushQuad(struct call_context **context, uint_fast8_t *currentSSE,
    double low, double high)
{
	size_t stackSize;
	struct call_context *newContext;

	if (*currentSSE + 1 < NUM_SSE_IN) {
		(*context)->SSE[(*currentSSE)++] = (__m128)_mm_set_sd(low);
		(*context)->SSE[(*currentSSE)++] = (__m128)_mm_set_sd(high);
		(*context)->numSSEUsed += 2;
		return;
	}

	stackSize = (*context)->stackSize + 2;








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static void
pushQuad(struct call_context **context, uint_fast8_t *currentSSE,
    double low, double high)
{
	size_t stackSize;
	struct call_context *newContext;

	if (*currentSSE + 1 < NUM_SSE_INOUT) {
		(*context)->SSE[(*currentSSE)++] = (__m128)_mm_set_sd(low);
		(*context)->SSE[(*currentSSE)++] = (__m128)_mm_set_sd(high);
		(*context)->numSSEUsed += 2;
		return;
	}

	stackSize = (*context)->stackSize + 2;
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