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	Add a mimimal test case for this bug; correct the documentation. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
		
			
				
	
	
		
			61 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			NASM
		
	
	
	
	
	
			
		
		
	
	
			61 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			NASM
		
	
	
	
	
	
| ;Testname=unoptimized; Arguments=-O0 -fbin -ofloatb.bin; Files=stdout stderr floatb.bin
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| ;Testname=optimized;   Arguments=-Ox -fbin -ofloatb.bin; Files=stdout stderr floatb.bin
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| 
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| 	;; Known problematic floating-point numbers and their proper
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| 	;; encoding...
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| 
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| 	bits 64
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| 
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| 	dd 1.1e10
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| 	dd 0x5023e9ac	; Should be...
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| 
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| 	dd 50.40e9
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| 	dd 0x513bc130	; Should be...
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| 
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| 	dq 1.4e23
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| 	dq 0x44bda56a4b0835c0
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| 
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| 	dq 50.48e21
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| 	dq 0x44a5610d7502feae
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| 
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| 	dt 1.2e28
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| 	dq 0x9b18ab5df7180b6c
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| 	dw 0x405c
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| 
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| 	dt 50.46e25
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| 	dq 0xd0b29a67e95dcb60
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| 	dw 0x4057
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| 
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| 	do 0xf.ffffff8p-4
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| 	do 0q3.7777777774p-2
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| 	do 0b1.1111_1111_1111_1111_1111_1111_1111_111p-1
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| 
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| 	dt 0xf.ffffff8p-4
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| 	dt 0q3.7777777774p-2
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| 	dt 0b1.1111_1111_1111_1111_1111_1111_1111_111p-1
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| 
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| 	dq 0xf.ffffff8p-4
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| 	dq 0q3.7777777774p-2
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| 	dq 0b1.1111_1111_1111_1111_1111_1111_1111_111p-1
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| 
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| 	dd 0xf.ffffff8p-4
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| 	dd 0q3.7777777774p-2
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| 	dd 0b1.1111_1111_1111_1111_1111_1111_1111_111p-1
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| 
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| 	dw 0xf.ffffff8p-4
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| 	dw 0q3.7777777774p-2
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| 	dw 0b1.1111_1111_1111_1111_1111_1111_1111_111p-1
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| 
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| 	db 0xf.ffffff8p-4
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| 	db 0q3.7777777774p-2
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| 	db 0b1.1111_1111_1111_1111_1111_1111_1111_111p-1
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| 
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| 
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| 	;; Way too big numbers, should overflow to +Inf
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| 	dd 1.0E646456955
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| 	dd 1.0E646456956
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| 	dd 1.0E2147483646
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| 	dd 1.0E2147483647
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| 	dd 1.0E2147483648
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| 	dd 1.0E2147483649
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