Changes in directory llvm/lib/Target/SparcV8:
README.txt updated: 1.39 -> 1.40
SparcV8InstrInfo.td updated: 1.69 -> 1.70
---
Log message:
add fneg,fabs,fsqrt instructions
---
Diffs of the changes: (+17 -5)
README.txt | 4 +---
SparcV8InstrInfo.td | 18 ++++++++++++++++--
2 files changed, 17 insertions(+), 5 deletions(-)
Index: llvm/lib/Target/SparcV8/README.txt
diff -u llvm/lib/Target/SparcV8/README.txt:1.39
llvm/lib/Target/SparcV8/README.txt:1.40
--- llvm/lib/Target/SparcV8/README.txt:1.39 Sat Dec 17 01:17:59 2005
+++ llvm/lib/Target/SparcV8/README.txt Sat Dec 17 17:20:27 2005
@@ -79,7 +79,5 @@
where possible. I think this is what afflicts the inner loop of Olden/tsp
(hot block = tsp():no_exit.1.i, overall GCC/LLC = 0.03).
-* Generate fsqrtd for calls to sqrt() (~ 4% speedup on Olden/tsp).
-
-$Date: 2005/12/17 07:17:59 $
+$Date: 2005/12/17 23:20:27 $
Index: llvm/lib/Target/SparcV8/SparcV8InstrInfo.td
diff -u llvm/lib/Target/SparcV8/SparcV8InstrInfo.td:1.69
llvm/lib/Target/SparcV8/SparcV8InstrInfo.td:1.70
--- llvm/lib/Target/SparcV8/SparcV8InstrInfo.td:1.69 Sat Dec 17 17:14:30 2005
+++ llvm/lib/Target/SparcV8/SparcV8InstrInfo.td Sat Dec 17 17:20:27 2005
@@ -514,10 +514,24 @@
"fmovs $src, $dst", []>;
def FNEGS : F3_3<2, 0b110100, 0b000000101,
(ops FPRegs:$dst, FPRegs:$src),
- "fnegs $src, $dst", []>;
+ "fnegs $src, $dst",
+ [(set FPRegs:$dst, (fneg FPRegs:$src))]>;
def FABSS : F3_3<2, 0b110100, 0b000001001,
(ops FPRegs:$dst, FPRegs:$src),
- "fabss $src, $dst", []>;
+ "fabss $src, $dst",
+ [(set FPRegs:$dst, (fabs FPRegs:$src))]>;
+
+// Floating-point Square Root Instructions, p.145
+def FSQRTS : F3_3<2, 0b110100, 0b000101001,
+ (ops FPRegs:$dst, FPRegs:$src),
+ "fsqrts $src, $dst",
+ [(set FPRegs:$dst, (fsqrt FPRegs:$src))]>;
+def FSQRTD : F3_3<2, 0b110100, 0b000101010,
+ (ops DFPRegs:$dst, DFPRegs:$src),
+ "fsqrtd $src, $dst",
+ [(set DFPRegs:$dst, (fsqrt DFPRegs:$src))]>;
+
+
// Floating-point Add and Subtract Instructions, p. 146
def FADDS : F3_3<2, 0b110100, 0b001000001,
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