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AnyPS5/docs/dev
thuanquangandClaude Opus 5.5 01ed9192ed fix(shader): flush v_add_f64 and v_mul_f64 denormals by the f64 field
v_add_f64 and v_mul_f64 ignored the FLOAT_MODE f16/f64 denormal field.
On RDNA2 (gfx1031) bit 6 clear flushes both inputs to a zero of their
sign, and bit 7 clear flushes a sum below 2^-1022 and a product whose
exact value rounded to 53 significant bits with an unbounded exponent
is below 2^-1022. The product test scales one source by 2^64 and
compares the host product with 2^-958.

Co-Authored-By: Claude Opus 5.5 <[email protected]>
2026-10-19 18:49:58 +07:00
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