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[Power9] [CLANG] Add __float128 exponent GET and SET builtins 

Added

__builtin_vsx_scalar_extract_expq
__builtin_vsx_scalar_insert_exp_qp

Builtins should behave the same way as in GCC.

Differential Revision: https://reviews.llvm.org/D48184

llvm-svn: 342911
This commit is contained in:
Stefan Pintilie 2018-09-24 18:14:50 +00:00
parent b5305771fb
commit 9177cf411e
2 changed files with 14 additions and 0 deletions
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2
clang/include/clang/Basic/BuiltinsPPC.def
View File

@ -431,6 +431,8 @@ BUILTIN(__builtin_mulf128_round_to_odd, "LLdLLdLLd", "")
BUILTIN(__builtin_divf128_round_to_odd, "LLdLLdLLd", "")
BUILTIN(__builtin_fmaf128_round_to_odd, "LLdLLdLLdLLd", "")
BUILTIN(__builtin_truncf128_round_to_odd, "dLLd", "")
BUILTIN(__builtin_vsx_scalar_extract_expq, "ULLiLLd", "")
BUILTIN(__builtin_vsx_scalar_insert_exp_qp, "LLdLLdULLi", "")
// HTM builtins
BUILTIN(__builtin_tbegin, "UiUIi", "")

12
clang/test/CodeGen/builtins-ppc-p9-f128.c
View File

@ -48,3 +48,15 @@ double testTruncOdd() {
// CHECK-NEXT: ret double
}
__float128 insert_exp_qp(unsigned long long int b) {
return __builtin_vsx_scalar_insert_exp_qp(A, b);
// CHECK: @llvm.ppc.scalar.insert.exp.qp(fp128 %{{.+}}, i64
// CHECK-NEXT: ret fp128
}
unsigned long long int extract_exp() {
return __builtin_vsx_scalar_extract_expq(A);
// CHECK: @llvm.ppc.scalar.extract.expq(fp128
// CHECK-NEXT: ret i64
}