fp128 -> half uses __trunctfhf2 but should be __trunckfhf2

llvm · Jul 22, 2024 · 40b97f3 · 40b97f3
1 parent 2684fc1
commit 40b97f3
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Showing 2 changed files with 4 additions and 2 deletions.
diff --git a/llvm/lib/CodeGen/TargetLoweringBase.cpp b/llvm/lib/CodeGen/TargetLoweringBase.cpp
@@ -170,8 +170,10 @@ void TargetLoweringBase::InitLibcalls(const Triple &TT) {
     setLibcallName(RTLIB::MUL_F128, "__mulkf3");
     setLibcallName(RTLIB::DIV_F128, "__divkf3");
     setLibcallName(RTLIB::POWI_F128, "__powikf2");
+    setLibcallName(RTLIB::FPEXT_F16_F128, "__extendhfkf2");
     setLibcallName(RTLIB::FPEXT_F32_F128, "__extendsfkf2");
     setLibcallName(RTLIB::FPEXT_F64_F128, "__extenddfkf2");
+    setLibcallName(RTLIB::FPROUND_F128_F16, "__trunckfhf2");
     setLibcallName(RTLIB::FPROUND_F128_F32, "__trunckfsf2");
     setLibcallName(RTLIB::FPROUND_F128_F64, "__trunckfdf2");
     setLibcallName(RTLIB::FPTOSINT_F128_I32, "__fixkfsi");

diff --git a/llvm/test/CodeGen/PowerPC/f16-to-from-f128.ll b/llvm/test/CodeGen/PowerPC/f16-to-from-f128.ll
@@ -16,7 +16,7 @@ define half @trunc(fp128 %a) unnamed_addr {
 ; P8-NEXT:    std r0, 48(r1)
 ; P8-NEXT:    .cfi_def_cfa_offset 32
 ; P8-NEXT:    .cfi_offset lr, 16
-; P8-NEXT:    bl __trunctfhf2
+; P8-NEXT:    bl __trunckfhf2
 ; P8-NEXT:    nop
 ; P8-NEXT:    clrldi r3, r3, 48
 ; P8-NEXT:    bl __gnu_h2f_ieee
@@ -43,7 +43,7 @@ define half @trunc(fp128 %a) unnamed_addr {
 ; SOFT-NEXT:    std r0, 48(r1)
 ; SOFT-NEXT:    .cfi_def_cfa_offset 32
 ; SOFT-NEXT:    .cfi_offset lr, 16
-; SOFT-NEXT:    bl __trunctfhf2
+; SOFT-NEXT:    bl __trunckfhf2
 ; SOFT-NEXT:    nop
 ; SOFT-NEXT:    clrldi r3, r3, 48
 ; SOFT-NEXT:    bl __gnu_h2f_ieee