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velzieandClaude Opus 5.5
3329b69bf7
phminposuw, dpps, dppd, mpsadbw, crc32 (all widths), the four pcmpXstrX with every immediate (formats, aggregations, polarities, index and mask forms, the flags) and pclmulqdq were SIGILL. They are lifted now, in sse/sse4.rs. dpps and dppd sum in the hardware's order and keep the NaN an x86 add keeps (the first operand's, quieted), spelled out so the function tier's C gives the same NaN. pcmpestrX take their lengths from RAX and RDX under REX.W, EAX and EDX otherwise. test/fixtures/x86-programs/sse4.c runs SSSE3, SSE4.1, SSE4.2 and PCLMULQDQ over pseudo-random inputs and every immediate, and compares a hash per group with the one a real CPU gave, so the native and page legs check it with no dependency on the host's CPU (programs.mjs's SELF). The native legs take GEX_TEST_ONLY as the page legs do. Co-Authored-By: Claude Opus 5.5 <[email protected]> Claude-Session: https://claude.ai/code/session_853378b774d645b4ac78b16d9af91a31