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Diffstat (limited to 'mpn/alpha/README')
| -rw-r--r-- | mpn/alpha/README | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/mpn/alpha/README b/mpn/alpha/README index fd9f78c79..a03153922 100644 --- a/mpn/alpha/README +++ b/mpn/alpha/README @@ -1,5 +1,15 @@ This directory contains mpn functions optimized for DEC Alpha processors. +ALPHA ASSEMBLY RULES AND REGULATIONS + +The `.prologue N' pseudo op marks the end of instruction that needs +special handling by unwinding. It also says whether $27 is really +needed for computing the gp. The `.mask M' pseudo op says which +registers are saved on the stack, and at what offset in the frame. + +Cray code is very very different... + + RELEVANT OPTIMIZATION ISSUES EV4 |