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Paul Mackerras 80c81b58ef FPU: Generate correct result sign when B is denormal ... If a subtraction A - B is done where A is in normalized form with an exponent of -1022, and B is denormal, an inconsistency arises between the comparison of the raw exponents in the first cycle, which sees A.exp (0x001) > B.exp (0x000), and the comparison in DO_FADD state, which sees r.a.exponent (-1022) = r.b.exponent (-1022). Conseqently we get r.add_bsmall = 0 and the subtraction is done the wrong way around, yielding the wrong sign for the result. Fix this by setting r.add_bsmall according to the comparison of raw exponents in the first cycle and then using it in DO_FADD state. Also add a test case for this. Signed-off-by: Paul Mackerras <paulus@ozlabs.org>		1 month ago
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Makefile	tests: Add a test for FP loads and stores	5 years ago
fpu.c	FPU: Generate correct result sign when B is denormal	1 month ago
head.S	tests/fpu: Add tests for basic FPSCR function and interrupt generation	5 years ago
powerpc.lds	tests: Add a test for FP loads and stores	5 years ago