diff --git a/general-info/release-19f.txt b/general-info/release-19f.txt index 03bbd973fc4a32e694fca60e9eadb78a4bb4fcb6..25a1e668253d8e16b01d6dc37e9eb4c0b50703d9 100644 --- a/general-info/release-19f.txt +++ b/general-info/release-19f.txt @@ -34,12 +34,16 @@ New in this release: o CMUCL automatically detects whether sse2 is supported or not and loads up the appropriate core file. o New -fpu switch allows the user to specify explicitly which - core should be used. + core should be used. The valid values are x87, sse2, or auto + (the default). o Fasls compiled with sse2 support have the extension sse2f. Otherwise, the normal x86f extension is used. This allows the user to do tests/experiments with both x87 and sse2 without having to mess around with different directories and removing fasls before building for a different FPU. + o If the chip supports sse2, but CMUCL can't find the sse2 core, + CMUCL will try to fall back to the x87 core. (This only + happens if -fpu is auto.) * ANSI compliance fixes: - Fix bug in backquote printer. If the variable is @foo, we want