Preserve symbolic offsets when materializing i386 TLS addresses, generate ARM64 TLS addresses from the thread pointer, and carry RISC-V addends on both halves of the TPREL relocation pair.
Keep undefined ELF TLS symbols typed as STT_TLS so objects produced by TCC can be linked by the system linker. Extend the TLS regression coverage for narrow signed and unsigned accesses, address-taking, runtime indexing, thread isolation, large RISC-V offsets, unsupported runtimes, and external TLS definitions.
tccgen.c:
remove VT_TLS in gen_cast
libtcc.c:
remove warning for gcc 16
i386-gen.c:
fix gen_modrm for VT_LDOUBLE
riscv64-gen.c:
add fc to TLS address
x86_64-gen.c:
add TLS prefix in gen_opf
tests2/144_tls.c/tests2/144_tls.expect:
updated test case
tests/tests2/Makefile
skip TLS test for BSD
