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| -rw-r--r-- | lib/Target/README.txt | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/lib/Target/README.txt b/lib/Target/README.txt index be7bb3a53e..559835e8b5 100644 --- a/lib/Target/README.txt +++ b/lib/Target/README.txt @@ -197,13 +197,6 @@ _bar: addic r3,r3,-1 //===---------------------------------------------------------------------===// -Legalize should lower ctlz like this: - ctlz(x) = popcnt((x-1) & ~x) - -on targets that have popcnt but not ctlz. itanium, what else? - -//===---------------------------------------------------------------------===// - quantum_sigma_x in 462.libquantum contains the following loop: for(i=0; i<reg->size; i++) @@ -335,11 +328,6 @@ when it is declared U32. //===---------------------------------------------------------------------===// -Promote for i32 bswap can use i64 bswap + shr. Useful on targets with 64-bit -regs and bswap, like itanium. - -//===---------------------------------------------------------------------===// - LSR should know what GPR types a target has. This code: volatile short X, Y; // globals |