c9dde987f0
QBE 1.3 (released 2026-06-01) adds Windows AMD64 ABI support (amd64_win target), improved PIC via extern symbol constants, GVN/GCM optimisation passes, if-conversion, and various correctness and performance fixes. All 2293 compiler tests pass against the new QBE binary.
49 lines
742 B
Plaintext
49 lines
742 B
Plaintext
export
|
|
function w $ifmv(w %p1, w %p2, w %p3) {
|
|
@start
|
|
@entry
|
|
%rt =w add %p2, %p3 # gcm moves to @true
|
|
%rf =w sub %p2, %p3 # gcm moves to @false
|
|
jnz %p1, @true, @false
|
|
@true
|
|
%r =w copy %rt
|
|
jmp @exit
|
|
@false
|
|
%r =w copy %rf
|
|
jmp @exit
|
|
@exit
|
|
ret %r
|
|
}
|
|
|
|
export
|
|
function w $hoist1(w %p1, w %p2, w %p3) {
|
|
@start
|
|
@entry
|
|
%n =w copy 0
|
|
%i =w copy %p1
|
|
@loop
|
|
%base =w add %p2, %p3 # gcm moves to @exit
|
|
%i =w sub %i, 1
|
|
%n =w add %n, 1
|
|
jnz %i, @loop, @exit
|
|
@exit
|
|
%r =w add %base, %n
|
|
ret %r
|
|
}
|
|
|
|
export
|
|
function w $hoist2(w %p1, w %p2, w %p3) {
|
|
@start
|
|
@entry
|
|
%n =w copy 0
|
|
%i =w copy %p1
|
|
@loop
|
|
%base =w add %p2, %p3 # gcm moves to @entry
|
|
%i =w sub %i, 1
|
|
%n =w add %n, %base
|
|
jnz %i, @loop, @exit
|
|
@exit
|
|
%r =w add %base, %n
|
|
ret %r
|
|
}
|