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[demangler][RISCV] Fix for long double 

Summary:
The size of long double in RISCV (both RV32 and RV64) is 16 bytes, thus
the mangled_size shouble be 32.

This patch will fix test case
"_ZN5test01hIfEEvRAcvjplstT_Le4001a000000000000000E_c"
in test_demangle.pass.cpp, which is expected to be invalid but demangler
returned "void test0::h<float>(char (&) [(unsigned int)((sizeof (float))
+ (0x0.000000004001ap-16382L))])" in RISCV environment without this patch.

Reviewed By: urnathan

Differential Revision: https://reviews.llvm.org/D126480
This commit is contained in:
Piggy NL 2022-05-26 22:59:49 +08:00
parent 121689a62e
commit 842e48bd65
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GPG Key ID: A2B522033B71526D
2 changed files with 2 additions and 2 deletions
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2
libcxxabi/src/demangle/ItaniumDemangle.h
View File

@ -5099,7 +5099,7 @@ template <>
struct FloatData<long double>
{
#if defined(__mips__) && defined(__mips_n64) || defined(__aarch64__) || \
defined(__wasm__)
defined(__wasm__) || defined(__riscv)
static const size_t mangled_size = 32;
#elif defined(__arm__) || defined(__mips__) || defined(__hexagon__)
static const size_t mangled_size = 16;

2
llvm/include/llvm/Demangle/ItaniumDemangle.h
View File

@ -5099,7 +5099,7 @@ template <>
struct FloatData<long double>
{
#if defined(__mips__) && defined(__mips_n64) || defined(__aarch64__) || \
defined(__wasm__)
defined(__wasm__) || defined(__riscv)
static const size_t mangled_size = 32;
#elif defined(__arm__) || defined(__mips__) || defined(__hexagon__)
static const size_t mangled_size = 16;