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This patch adds support for the vector merge even word and vector merge odd word 

instructions introduced in POWER8.

These are the Clang-related changes for http://reviews.llvm.org/D10704

All builtins are added in altivec.h and guarded with the POWER8_VECTOR macro.

Phabricator review: http://reviews.llvm.org/D10736

llvm-svn: 241293
This commit is contained in:
Kit Barton 2015-07-02 19:29:05 +00:00
parent 2ed9456015
commit b61173e791
2 changed files with 78 additions and 0 deletions
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50
clang/lib/Headers/altivec.h
View File

@ -3180,6 +3180,56 @@ static vector float __ATTRS_o_ai vec_vmrglw(vector float __a,
0x1C, 0x1D, 0x1E, 0x1F));
}
#ifdef __POWER8_VECTOR__
/* vec_mergee */
static vector bool int __ATTRS_o_ai
vec_mergee(vector bool int __a, vector bool int __b) {
return vec_perm(__a, __b, (vector unsigned char)
(0x00, 0x01, 0x02, 0x03, 0x10, 0x11, 0x12, 0x13,
0x08, 0x09, 0x0A, 0x0B, 0x18, 0x19, 0x1A, 0x1B));
}
static vector signed int __ATTRS_o_ai
vec_mergee(vector signed int __a, vector signed int __b) {
return vec_perm(__a, __b, (vector unsigned char)
(0x00, 0x01, 0x02, 0x03, 0x10, 0x11, 0x12, 0x13,
0x08, 0x09, 0x0A, 0x0B, 0x18, 0x19, 0x1A, 0x1B));
}
static vector unsigned int __ATTRS_o_ai
vec_mergee(vector unsigned int __a, vector unsigned int __b) {
return vec_perm(__a, __b, (vector unsigned char)
(0x00, 0x01, 0x02, 0x03, 0x10, 0x11, 0x12, 0x13,
0x08, 0x09, 0x0A, 0x0B, 0x18, 0x19, 0x1A, 0x1B));
}
/* vec_mergeo */
static vector bool int __ATTRS_o_ai
vec_mergeo(vector bool int __a, vector bool int __b) {
return vec_perm(__a, __b, (vector unsigned char)
(0x04, 0x05, 0x06, 0x07, 0x14, 0x15, 0x16, 0x17,
0x0C, 0x0D, 0x0E, 0x0F, 0x1C, 0x1D, 0x1E, 0x1F));
}
static vector signed int __ATTRS_o_ai
vec_mergeo(vector signed int __a, vector signed int __b) {
return vec_perm(__a, __b, (vector unsigned char)
(0x04, 0x05, 0x06, 0x07, 0x14, 0x15, 0x16, 0x17,
0x0C, 0x0D, 0x0E, 0x0F, 0x1C, 0x1D, 0x1E, 0x1F));
}
static vector unsigned int __ATTRS_o_ai
vec_mergeo(vector unsigned int __a, vector unsigned int __b) {
return vec_perm(__a, __b, (vector unsigned char)
(0x04, 0x05, 0x06, 0x07, 0x14, 0x15, 0x16, 0x17,
0x0C, 0x0D, 0x0E, 0x0F, 0x1C, 0x1D, 0x1E, 0x1F));
}
#endif
/* vec_mfvscr */
static vector unsigned short __attribute__((__always_inline__))

28
clang/test/CodeGen/builtins-ppc-p8vector.c
View File

@ -55,6 +55,34 @@ void test1() {
// CHECK-LE: add <2 x i64>
// CHECK-PPC: error: call to 'vec_add' is ambiguous
/* vec_mergee */
res_vbi = vec_mergee(vbi, vbi);
// CHECK: @llvm.ppc.altivec.vperm
// CHECK-LE: @llvm.ppc.altivec.vperm
res_vi = vec_mergee(vi, vi);
// CHECK: @llvm.ppc.altivec.vperm
// CHECK-LE: @llvm.ppc.altivec.vperm
res_vui = vec_mergee(vui, vui);
// CHECK: @llvm.ppc.altivec.vperm
// CHECK-LE: @llvm.ppc.altivec.vperm
// CHECK-PPC: warning: implicit declaration of function 'vec_mergee'
/* vec_mergeo */
res_vbi = vec_mergeo(vbi, vbi);
// CHECK: @llvm.ppc.altivec.vperm
// CHECK-LE: @llvm.ppc.altivec.vperm
res_vi = vec_mergeo(vi, vi);
// CHECK: @llvm.ppc.altivec.vperm
// CHECK-LE: @llvm.ppc.altivec.vperm
res_vui = vec_mergeo(vui, vui);
// CHECK: @llvm.ppc.altivec.vperm
// CHECK-LE: @llvm.ppc.altivec.vperm
// CHECK-PPC: warning: implicit declaration of function 'vec_mergeo'
/* vec_cmpeq */
res_vbll = vec_cmpeq(vsll, vsll);
// CHECK: @llvm.ppc.altivec.vcmpequd