Changes in directory llvm/lib/Target/SparcV8:
SparcV8InstrInfo.td updated: 1.62 -> 1.63
---
Log message:
add andn/orn/xorn patterns. This allows us to compile this:
long %test(ubyte, short, long %X, long %Y) {
%A = xor long %X, -1
%B = and long %Y, %A
ret long %B
}
to this:
test:
save -96, %sp, %sp
andn %i4, %i2, %i0
andn %i5, %i3, %i1
restore %g0, %g0, %g0
retl
nop
instead of this:
test:
save -96, %sp, %sp
xor %i2, -1, %l0
xor %i3, -1, %l1
and %i4, %l0, %i0
and %i5, %l1, %i1
restore %g0, %g0, %g0
retl
nop
The simpleisel emits: :(
test:
save -96, %sp, %sp
or %g0, -1, %l0
or %g0, -1, %l0
or %g0, -1, %l0
or %g0, -1, %l1
xor %i2, %l0, %l0
xor %i3, %l1, %l1
and %i4, %l0, %i0
and %i5, %l1, %i1
restore %g0, %g0, %g0
retl
nop
---
Diffs of the changes: (+6 -3)
SparcV8InstrInfo.td | 9 ++++++---
1 files changed, 6 insertions(+), 3 deletions(-)
Index: llvm/lib/Target/SparcV8/SparcV8InstrInfo.td
diff -u llvm/lib/Target/SparcV8/SparcV8InstrInfo.td:1.62
llvm/lib/Target/SparcV8/SparcV8InstrInfo.td:1.63
--- llvm/lib/Target/SparcV8/SparcV8InstrInfo.td:1.62 Sat Dec 17 14:47:16 2005
+++ llvm/lib/Target/SparcV8/SparcV8InstrInfo.td Sat Dec 17 15:05:49 2005
@@ -250,7 +250,8 @@
"andcc $b, $c, $dst", []>;
def ANDNrr : F3_1<2, 0b000101,
(ops IntRegs:$dst, IntRegs:$b, IntRegs:$c),
- "andn $b, $c, $dst", []>;
+ "andn $b, $c, $dst",
+ [(set IntRegs:$dst, (and IntRegs:$b, (not IntRegs:$c)))]>;
def ANDNri : F3_2<2, 0b000101,
(ops IntRegs:$dst, IntRegs:$b, i32imm:$c),
"andn $b, $c, $dst", []>;
@@ -276,7 +277,8 @@
"orcc $b, $c, $dst", []>;
def ORNrr : F3_1<2, 0b000110,
(ops IntRegs:$dst, IntRegs:$b, IntRegs:$c),
- "orn $b, $c, $dst", []>;
+ "orn $b, $c, $dst",
+ [(set IntRegs:$dst, (or IntRegs:$b, (not IntRegs:$c)))]>;
def ORNri : F3_2<2, 0b000110,
(ops IntRegs:$dst, IntRegs:$b, i32imm:$c),
"orn $b, $c, $dst", []>;
@@ -302,7 +304,8 @@
"xorcc $b, $c, $dst", []>;
def XNORrr : F3_1<2, 0b000111,
(ops IntRegs:$dst, IntRegs:$b, IntRegs:$c),
- "xnor $b, $c, $dst", []>;
+ "xnor $b, $c, $dst",
+ [(set IntRegs:$dst, (xor IntRegs:$b, (not IntRegs:$c)))]>;
def XNORri : F3_2<2, 0b000111,
(ops IntRegs:$dst, IntRegs:$b, i32imm:$c),
"xnor $b, $c, $dst", []>;
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