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authorKalle Raiskila <kalle.raiskila@nokia.com>2010-08-18 09:50:30 +0000
committerKalle Raiskila <kalle.raiskila@nokia.com>2010-08-18 09:50:30 +0000
commit44ff5f5435c60558b47d975655385f15b0dee01c (patch)
tree0d66f12f430d43e74a3538941756ed33bc241f7e /lib
parent285d06ca93467f325c99f875a9dd91c9bce62ff5 (diff)
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Change SPU C calling convention to match that described in
"SPU Application Binary Interface Specification, v1.9" by IBM. Specifically: use r3-r74 to pass parameters and the return value. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111358 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
-rw-r--r--lib/Target/CellSPU/SPUCallingConv.td23
1 files changed, 12 insertions, 11 deletions
diff --git a/lib/Target/CellSPU/SPUCallingConv.td b/lib/Target/CellSPU/SPUCallingConv.td
index aedc0a5fab..dcd9a2e62e 100644
--- a/lib/Target/CellSPU/SPUCallingConv.td
+++ b/lib/Target/CellSPU/SPUCallingConv.td
@@ -19,16 +19,18 @@ class CCIfSubtarget<string F, CCAction A>
// Return Value Calling Convention
//===----------------------------------------------------------------------===//
-// Return-value convention for Cell SPU: Everything can be passed back via $3:
+// Return-value convention for Cell SPU: return value to be passed in reg 3-74
def RetCC_SPU : CallingConv<[
- CCIfType<[i8], CCAssignToReg<[R3]>>,
- CCIfType<[i16], CCAssignToReg<[R3]>>,
- CCIfType<[i32], CCAssignToReg<[R3]>>,
- CCIfType<[i64], CCAssignToReg<[R3]>>,
- CCIfType<[i128], CCAssignToReg<[R3]>>,
- CCIfType<[f32, f64], CCAssignToReg<[R3]>>,
- CCIfType<[v16i8, v8i16, v4i32, v2i64, v4f32, v2f64], CCAssignToReg<[R3]>>,
- CCIfType<[v2i32, v2f32], CCAssignToReg<[R3]>>
+ CCIfType<[i8,i16,i32,i64,i128,f32,f64,v16i8,v8i16,v4i32,v2i64,v4f32,v2f64,
+ v2i32, v2f32],
+ CCAssignToReg<[R3, R4, R5, R6, R7, R8, R9, R10, R11,
+ R12, R13, R14, R15, R16, R17, R18, R19, R20,
+ R21, R22, R23, R24, R25, R26, R27, R28, R29,
+ R30, R31, R32, R33, R34, R35, R36, R37, R38,
+ R39, R40, R41, R42, R43, R44, R45, R46, R47,
+ R48, R49, R50, R51, R52, R53, R54, R55, R56,
+ R57, R58, R59, R60, R61, R62, R63, R64, R65,
+ R66, R67, R68, R69, R70, R71, R72, R73, R74]>>
]>;
@@ -45,8 +47,7 @@ def CCC_SPU : CallingConv<[
R39, R40, R41, R42, R43, R44, R45, R46, R47,
R48, R49, R50, R51, R52, R53, R54, R55, R56,
R57, R58, R59, R60, R61, R62, R63, R64, R65,
- R66, R67, R68, R69, R70, R71, R72, R73, R74,
- R75, R76, R77, R78, R79]>>,
+ R66, R67, R68, R69, R70, R71, R72, R73, R74]>>,
// Integer/FP values get stored in stack slots that are 8 bytes in size and
// 8-byte aligned if there are no more registers to hold them.
CCIfType<[i32, i64, f32, f64], CCAssignToStack<8, 8>>,