From 26c1c30b7d96d2170195970a8cdb3b024ba7421a Mon Sep 17 00:00:00 2001 From: Quentin Carbonneaux Date: Sat, 10 Dec 2022 23:16:21 +0100 Subject: new blit instruction --- test/load2.ssa | 75 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ test/mem1.ssa | 35 +++++++++++++++++++++++++++ 2 files changed, 110 insertions(+) create mode 100644 test/load2.ssa create mode 100644 test/mem1.ssa (limited to 'test') diff --git a/test/load2.ssa b/test/load2.ssa new file mode 100644 index 0000000..05c12a6 --- /dev/null +++ b/test/load2.ssa @@ -0,0 +1,75 @@ +# blit & load elimination + +export +function $f() { +@start + %x =l alloc4 12 + %y =l alloc4 12 + + %x1 =l add 1, %x + %x2 =l add 1, %x1 + %x3 =l add 1, %x2 + %x4 =l add 1, %x3 + %x5 =l add 1, %x4 + %x6 =l add 1, %x5 + %x7 =l add 1, %x6 + %x8 =l add 1, %x7 + %x9 =l add 1, %x8 + %xa =l add 1, %x9 + %xb =l add 1, %xa + + %y1 =l add 1, %y + %y4 =l add 4, %y + + storew 287454020, %x4 # 0x11223344 + storew 1432778632, %y # 0x55667788 + blit %y, %x5, 1 + %n =w load %x4 + call $px(w %n) # 0x11228844 + + storew 287454020, %x4 # 0x11223344 + storew 1432778632, %y # 0x55667788 + blit %y, %x5, 2 + %n =w load %x4 + call $px(w %n) # 0x11778844 + + storew 287454020, %x4 # 0x11223344 + storew 1432778632, %y # 0x55667788 + blit %y, %x5, 4 + %n =w load %x4 + call $px(w %n) # 0x66778844 + + storew 287454020, %x4 # 0x11223344 + storew 1432778632, %y # 0x55667788 + blit %y, %x2, 4 + %n =w load %x4 + call $px(w %n) # 0x11225566 + + storew 287454020, %x4 # 0x11223344 + storew 0, %y + storew 1432778632, %y4 # 0x55667788 + blit %y1, %x2, 7 + %n =w load %x4 + call $px(w %n) # 0x66778800 + + ret +} + +# >>> driver +# #include +# void px(unsigned n) { +# printf("0x%08x\n", n); +# } +# int main() { +# extern void f(void); +# f(); +# } +# <<< + +# >>> output +# 0x11228844 +# 0x11778844 +# 0x66778844 +# 0x11225566 +# 0x66778800 +# <<< diff --git a/test/mem1.ssa b/test/mem1.ssa new file mode 100644 index 0000000..b7045a6 --- /dev/null +++ b/test/mem1.ssa @@ -0,0 +1,35 @@ +type :i3 = { w 3 } + +export +function :i3 $blit() { +@start + %l0 =l alloc4 12 + %l1 =l alloc4 12 + + storew 287454020, %l0 + %l04 =l add %l0, 4 + storew 1432778632, %l04 + %l08 =l add %l0, 8 + storew 2578103244, %l08 + + # we expect that %l0 and %l1 + # are coalesced and the blit + # goes backwards + %l11 =l add %l1, 1 + blit %l0, %l11, 11 + + storeb 221, %l1 + + ret %l1 +} + +# >>> driver +# struct i3 { int a, b, c; }; +# extern struct i3 blit(); +# int main() { +# struct i3 s = blit(); +# return !(s.a == 0x223344dd +# && s.b == 0x66778811 +# && s.c == 0xaabbcc55); +# } +# <<< -- cgit 1.4.1