Merge tag 'pull-tcg-20250215-3' of https://gitlab.com/rth7680/qemu into staging

tcg: Remove last traces of TCG_TARGET_NEED_POOL_LABELS
tcg: Cleanups after disallowing 64-on-32
tcg: Introduce constraint for zero register
tcg: Remove TCG_TARGET_HAS_{br,set}cond2 from riscv and loongarch64
tcg/i386: Use tcg_{high,unsigned}_cond in tcg_out_brcond2
linux-user: Move TARGET_SA_RESTORER out of generic/signal.h
linux-user: Fix alignment when unmapping excess reservation
target/sparc: Fix register selection for all F*TOx and FxTO* instructions
target/sparc: Fix gdbstub incorrectly handling registers f32-f62
target/sparc: fake UltraSPARC T1 PCR and PIC registers

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* tag 'pull-tcg-20250215-3' of https://gitlab.com/rth7680/qemu: (28 commits)
  tcg: Remove TCG_TARGET_HAS_{br,set}cond2 from riscv and loongarch64
  tcg/i386: Use tcg_{high,unsigned}_cond in tcg_out_brcond2
  target/sparc: fake UltraSPARC T1 PCR and PIC registers
  target/sparc: Fix gdbstub incorrectly handling registers f32-f62
  target/sparc: Fix register selection for all F*TOx and FxTO* instructions
  linux-user: Move TARGET_SA_RESTORER out of generic/signal.h
  elfload: Fix alignment when unmapping excess reservation
  tcg/sparc64: Use 'z' constraint
  tcg/riscv: Use 'z' constraint
  tcg/mips: Use 'z' constraint
  tcg/loongarch64: Use 'z' constraint
  tcg/aarch64: Use 'z' constraint
  tcg: Introduce the 'z' constraint for a hardware zero register
  include/exec: Use uintptr_t in CPUTLBEntry
  include/exec: Change vaddr to uintptr_t
  target/mips: Use VADDR_PRIx for logging pc_next
  target/loongarch: Use VADDR_PRIx for logging pc_next
  accel/tcg: Fix tlb_set_page_with_attrs, tlb_set_page
  plugins: Fix qemu_plugin_read_memory_vaddr parameters
  tcg: Replace addr{lo,hi}_reg with addr_reg in TCGLabelQemuLdst
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>