[ARM] Add v4f16 and v8f16 types to the CallingConv

Summary:
The Procedure Call Standard for the Arm Architecture
states that float16x4_t and float16x8_t behave just
as uint16x4_t and uint16x8_t for argument passing.
This patch adds the fp16 vectors to the
ARMCallingConv.td file.

Reviewers: miyuki, ostannard

Reviewed By: ostannard

Subscribers: ostannard, javed.absar, kristof.beyls, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D60720

llvm-svn: 359431

1 files changed, 18 insertions, 18 deletions

diff --git a/llvm/lib/Target/ARM/ARMCallingConv.td b/llvm/lib/Target/ARM/ARMCallingConv.td
index ff5a5e28711..61d2d83ddc4 100644
--- a/llvm/lib/Target/ARM/ARMCallingConv.td
+++ b/llvm/lib/Target/ARM/ARMCallingConv.td
@@ -30,8 +30,8 @@ def CC_ARM_APCS : CallingConv<[
   CCIfSwiftError<CCIfType<[i32], CCAssignToReg<[R8]>>>,
 
   // Handle all vector types as either f64 or v2f64.
-  CCIfType<[v1i64, v2i32, v4i16, v8i8, v2f32], CCBitConvertToType<f64>>,
-  CCIfType<[v2i64, v4i32, v8i16, v16i8, v4f32], CCBitConvertToType<v2f64>>,
+  CCIfType<[v1i64, v2i32, v4i16, v4f16, v8i8, v2f32], CCBitConvertToType<f64>>,
+  CCIfType<[v2i64, v4i32, v8i16, v8f16, v16i8, v4f32], CCBitConvertToType<v2f64>>,
 
   // f64 and v2f64 are passed in adjacent GPRs, possibly split onto the stack
   CCIfType<[f64, v2f64], CCCustom<"CC_ARM_APCS_Custom_f64">>,
@@ -56,8 +56,8 @@ def RetCC_ARM_APCS : CallingConv<[
   CCIfSwiftError<CCIfType<[i32], CCAssignToReg<[R8]>>>,
 
   // Handle all vector types as either f64 or v2f64.
-  CCIfType<[v1i64, v2i32, v4i16, v8i8, v2f32], CCBitConvertToType<f64>>,
-  CCIfType<[v2i64, v4i32, v8i16, v16i8, v4f32], CCBitConvertToType<v2f64>>,
+  CCIfType<[v1i64, v2i32, v4i16, v4f16, v8i8, v2f32], CCBitConvertToType<f64>>,
+  CCIfType<[v2i64, v4i32, v8i16, v8f16, v16i8, v4f32], CCBitConvertToType<v2f64>>,
 
   CCIfType<[f64, v2f64], CCCustom<"RetCC_ARM_APCS_Custom_f64">>,
 
@@ -71,8 +71,8 @@ def RetCC_ARM_APCS : CallingConv<[
 let Entry = 1 in
 def FastCC_ARM_APCS : CallingConv<[
   // Handle all vector types as either f64 or v2f64.
-  CCIfType<[v1i64, v2i32, v4i16, v8i8, v2f32], CCBitConvertToType<f64>>,
-  CCIfType<[v2i64, v4i32, v8i16, v16i8, v4f32], CCBitConvertToType<v2f64>>,
+  CCIfType<[v1i64, v2i32, v4i16, v4f16, v8i8, v2f32], CCBitConvertToType<f64>>,
+  CCIfType<[v2i64, v4i32, v8i16, v8f16, v16i8, v4f32], CCBitConvertToType<v2f64>>,
 
   CCIfType<[v2f64], CCAssignToReg<[Q0, Q1, Q2, Q3]>>,
   CCIfType<[f64], CCAssignToReg<[D0, D1, D2, D3, D4, D5, D6, D7]>>,
@@ -91,8 +91,8 @@ def FastCC_ARM_APCS : CallingConv<[
 let Entry = 1 in
 def RetFastCC_ARM_APCS : CallingConv<[
   // Handle all vector types as either f64 or v2f64.
-  CCIfType<[v1i64, v2i32, v4i16, v8i8, v2f32], CCBitConvertToType<f64>>,
-  CCIfType<[v2i64, v4i32, v8i16, v16i8, v4f32], CCBitConvertToType<v2f64>>,
+  CCIfType<[v1i64, v2i32, v4i16, v4f16, v8i8, v2f32], CCBitConvertToType<f64>>,
+  CCIfType<[v2i64, v4i32, v8i16, v8f16, v16i8, v4f32], CCBitConvertToType<v2f64>>,
 
   CCIfType<[v2f64], CCAssignToReg<[Q0, Q1, Q2, Q3]>>,
   CCIfType<[f64], CCAssignToReg<[D0, D1, D2, D3, D4, D5, D6, D7]>>,
@@ -108,8 +108,8 @@ def RetFastCC_ARM_APCS : CallingConv<[
 let Entry = 1 in
 def CC_ARM_APCS_GHC : CallingConv<[
   // Handle all vector types as either f64 or v2f64.
-  CCIfType<[v1i64, v2i32, v4i16, v8i8, v2f32], CCBitConvertToType<f64>>,
-  CCIfType<[v2i64, v4i32, v8i16, v16i8, v4f32], CCBitConvertToType<v2f64>>,
+  CCIfType<[v1i64, v2i32, v4i16, v4f16, v8i8, v2f32], CCBitConvertToType<f64>>,
+  CCIfType<[v2i64, v4i32, v8i16, v8f16, v16i8, v4f32], CCBitConvertToType<v2f64>>,
 
   CCIfType<[v2f64], CCAssignToReg<[Q4, Q5]>>,
   CCIfType<[f64], CCAssignToReg<[D8, D9, D10, D11]>>,
@@ -165,8 +165,8 @@ def CC_ARM_AAPCS : CallingConv<[
   CCIfNest<CCAssignToReg<[R12]>>,
 
   // Handle all vector types as either f64 or v2f64.
-  CCIfType<[v1i64, v2i32, v4i16, v4f16, v8i8, v2f32], CCBitConvertToType<f64>>,
-  CCIfType<[v2i64, v4i32, v8i16, v8f16, v16i8, v4f32], CCBitConvertToType<v2f64>>,
+  CCIfType<[v1i64, v2i32, v4i16, v4f16, v4f16, v8i8, v2f32], CCBitConvertToType<f64>>,
+  CCIfType<[v2i64, v4i32, v8i16, v8f16, v8f16, v16i8, v4f32], CCBitConvertToType<v2f64>>,
 
   // Pass SwiftSelf in a callee saved register.
   CCIfSwiftSelf<CCIfType<[i32], CCAssignToReg<[R10]>>>,
@@ -182,8 +182,8 @@ def CC_ARM_AAPCS : CallingConv<[
 let Entry = 1 in
 def RetCC_ARM_AAPCS : CallingConv<[
   // Handle all vector types as either f64 or v2f64.
-  CCIfType<[v1i64, v2i32, v4i16, v4f16, v8i8, v2f32], CCBitConvertToType<f64>>,
-  CCIfType<[v2i64, v4i32, v8i16, v8f16,v16i8, v4f32], CCBitConvertToType<v2f64>>,
+  CCIfType<[v1i64, v2i32, v4i16, v4f16, v4f16, v8i8, v2f32], CCBitConvertToType<f64>>,
+  CCIfType<[v2i64, v4i32, v8i16, v8f16, v8f16,v16i8, v4f32], CCBitConvertToType<v2f64>>,
 
   // Pass SwiftSelf in a callee saved register.
   CCIfSwiftSelf<CCIfType<[i32], CCAssignToReg<[R10]>>>,
@@ -208,8 +208,8 @@ def CC_ARM_AAPCS_VFP : CallingConv<[
   CCIfByVal<CCPassByVal<4, 4>>,
 
   // Handle all vector types as either f64 or v2f64.
-  CCIfType<[v1i64, v2i32, v4i16, v4f16, v8i8, v2f32], CCBitConvertToType<f64>>,
-  CCIfType<[v2i64, v4i32, v8i16, v8f16, v16i8, v4f32], CCBitConvertToType<v2f64>>,
+  CCIfType<[v1i64, v2i32, v4i16, v4f16, v4f16, v8i8, v2f32], CCBitConvertToType<f64>>,
+  CCIfType<[v2i64, v4i32, v8i16, v8f16, v8f16, v16i8, v4f32], CCBitConvertToType<v2f64>>,
 
   // Pass SwiftSelf in a callee saved register.
   CCIfSwiftSelf<CCIfType<[i32], CCAssignToReg<[R10]>>>,
@@ -230,8 +230,8 @@ def CC_ARM_AAPCS_VFP : CallingConv<[
 let Entry = 1 in
 def RetCC_ARM_AAPCS_VFP : CallingConv<[
   // Handle all vector types as either f64 or v2f64.
-  CCIfType<[v1i64, v2i32, v4i16, v4f16, v8i8, v2f32], CCBitConvertToType<f64>>,
-  CCIfType<[v2i64, v4i32, v8i16, v8f16, v16i8, v4f32], CCBitConvertToType<v2f64>>,
+  CCIfType<[v1i64, v2i32, v4i16, v4f16, v4f16, v8i8, v2f32], CCBitConvertToType<f64>>,
+  CCIfType<[v2i64, v4i32, v8i16, v8f16, v8f16, v16i8, v4f32], CCBitConvertToType<v2f64>>,
 
   // Pass SwiftSelf in a callee saved register.
   CCIfSwiftSelf<CCIfType<[i32], CCAssignToReg<[R10]>>>,