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[PowerPC] Add missing overloads of vec_promote to altivec.h 

The VSX-only overloads (for 8-byte element vectors) are missing.
Add the missing overloads and convert element numbering to
modulo arithmetic to match GCC and XLC.
This commit is contained in:
Nemanja Ivanovic 2021-03-01 21:38:41 -06:00
parent 93c5e6bb49
commit 1ff93618e5
2 changed files with 48 additions and 7 deletions
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36
clang/lib/Headers/altivec.h
View File

@ -14024,49 +14024,71 @@ static __inline__ void __ATTRS_o_ai vec_stvrxl(vector float __a, int __b,
static __inline__ vector signed char __ATTRS_o_ai vec_promote(signed char __a, static __inline__ vector signed char __ATTRS_o_ai vec_promote(signed char __a,
int __b) { int __b) {
vector signed char __res = (vector signed char)(0); vector signed char __res = (vector signed char)(0);
__res[__b] = __a; __res[__b & 0x7] = __a;
return __res; return __res;
} }
static __inline__ vector unsigned char __ATTRS_o_ai static __inline__ vector unsigned char __ATTRS_o_ai
vec_promote(unsigned char __a, int __b) { vec_promote(unsigned char __a, int __b) {
vector unsigned char __res = (vector unsigned char)(0); vector unsigned char __res = (vector unsigned char)(0);
__res[__b] = __a; __res[__b & 0x7] = __a;
return __res; return __res;
} }
static __inline__ vector short __ATTRS_o_ai vec_promote(short __a, int __b) { static __inline__ vector short __ATTRS_o_ai vec_promote(short __a, int __b) {
vector short __res = (vector short)(0); vector short __res = (vector short)(0);
__res[__b] = __a; __res[__b & 0x7] = __a;
return __res; return __res;
} }
static __inline__ vector unsigned short __ATTRS_o_ai static __inline__ vector unsigned short __ATTRS_o_ai
vec_promote(unsigned short __a, int __b) { vec_promote(unsigned short __a, int __b) {
vector unsigned short __res = (vector unsigned short)(0); vector unsigned short __res = (vector unsigned short)(0);
__res[__b] = __a; __res[__b & 0x7] = __a;
return __res; return __res;
} }
static __inline__ vector int __ATTRS_o_ai vec_promote(int __a, int __b) { static __inline__ vector int __ATTRS_o_ai vec_promote(int __a, int __b) {
vector int __res = (vector int)(0); vector int __res = (vector int)(0);
__res[__b] = __a; __res[__b & 0x3] = __a;
return __res; return __res;
} }
static __inline__ vector unsigned int __ATTRS_o_ai vec_promote(unsigned int __a, static __inline__ vector unsigned int __ATTRS_o_ai vec_promote(unsigned int __a,
int __b) { int __b) {
vector unsigned int __res = (vector unsigned int)(0); vector unsigned int __res = (vector unsigned int)(0);
__res[__b] = __a; __res[__b & 0x3] = __a;
return __res; return __res;
} }
static __inline__ vector float __ATTRS_o_ai vec_promote(float __a, int __b) { static __inline__ vector float __ATTRS_o_ai vec_promote(float __a, int __b) {
vector float __res = (vector float)(0); vector float __res = (vector float)(0);
__res[__b] = __a; __res[__b & 0x3] = __a;
return __res; return __res;
} }
#ifdef __VSX__
static __inline__ vector double __ATTRS_o_ai vec_promote(double __a, int __b) {
vector double __res = (vector double)(0);
__res[__b & 0x1] = __a;
return __res;
}
static __inline__ vector signed long long __ATTRS_o_ai
vec_promote(signed long long __a, int __b) {
vector signed long long __res = (vector signed long long)(0);
__res[__b & 0x1] = __a;
return __res;
}
static __inline__ vector unsigned long long __ATTRS_o_ai
vec_promote(unsigned long long __a, int __b) {
vector unsigned long long __res = (vector unsigned long long)(0);
__res[__b & 0x1] = __a;
return __res;
}
#endif
/* vec_splats */ /* vec_splats */
static __inline__ vector signed char __ATTRS_o_ai vec_splats(signed char __a) { static __inline__ vector signed char __ATTRS_o_ai vec_splats(signed char __a) {

19
clang/test/CodeGen/builtins-ppc-vsx.c
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@ -22,6 +22,7 @@ vector signed long long vsll = { 255LL, -937LL };
vector unsigned long long vull = { 1447LL, 2894LL }; vector unsigned long long vull = { 1447LL, 2894LL };
double d = 23.4; double d = 23.4;
signed long long sll = 618LL; signed long long sll = 618LL;
unsigned long long ull = 618ULL;
float af[4] = {23.4f, 56.7f, 89.0f, 12.3f}; float af[4] = {23.4f, 56.7f, 89.0f, 12.3f};
double ad[2] = {23.4, 56.7}; double ad[2] = {23.4, 56.7};
signed char asc[16] = { -8, 9, -10, 11, -12, 13, -14, 15, signed char asc[16] = { -8, 9, -10, 11, -12, 13, -14, 15,
@ -1851,6 +1852,24 @@ res_vsc = vec_xxsldwi(vsc, vsc, 0);
res_vuc = vec_xxsldwi(vuc, vuc, 1); res_vuc = vec_xxsldwi(vuc, vuc, 1);
// CHECK: shufflevector <4 x i32> %{{[0-9]+}}, <4 x i32> %{{[0-9]+}}, <4 x i32> <i32 1, i32 2, i32 3, i32 4> // CHECK: shufflevector <4 x i32> %{{[0-9]+}}, <4 x i32> %{{[0-9]+}}, <4 x i32> <i32 1, i32 2, i32 3, i32 4>
// CHECK-LE: shufflevector <4 x i32> %{{[0-9]+}}, <4 x i32> %{{[0-9]+}}, <4 x i32> <i32 7, i32 0, i32 1, i32 2> // CHECK-LE: shufflevector <4 x i32> %{{[0-9]+}}, <4 x i32> %{{[0-9]+}}, <4 x i32> <i32 7, i32 0, i32 1, i32 2>
res_vd = vec_promote(d, 0);
// CHECK: store <2 x double> zeroinitializer
// CHECK: insertelement <2 x double>
// CHECK-LE: store <2 x double> zeroinitializer
// CHECK-LE: insertelement <2 x double>
res_vsll = vec_promote(sll, 0);
// CHECK: store <2 x i64> zeroinitializer
// CHECK: insertelement <2 x i64>
// CHECK-LE: store <2 x i64> zeroinitializer
// CHECK-LE: insertelement <2 x i64>
res_vull = vec_promote(ull, 0);
// CHECK: store <2 x i64> zeroinitializer
// CHECK: insertelement <2 x i64>
// CHECK-LE: store <2 x i64> zeroinitializer
// CHECK-LE: insertelement <2 x i64>
} }
// The return type of the call expression may be different from the return type of the shufflevector. // The return type of the call expression may be different from the return type of the shufflevector.