tcg: Widen helper_*_st[bw]_mmu val arguments

While the old type was correct in the ideal sense, some ABIs require
the argument to be zero-extended.  Using uint32_t for all such values
is a decent compromise.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

1 files changed, 7 insertions, 3 deletions

diff --git a/include/tcg/tcg-ldst.h b/include/tcg/tcg-ldst.h
index 2ba22bd5fe..684e394b06 100644
--- a/include/tcg/tcg-ldst.h
+++ b/include/tcg/tcg-ldst.h
@@ -55,15 +55,19 @@ tcg_target_ulong helper_be_ldsw_mmu(CPUArchState *env, target_ulong addr,
 tcg_target_ulong helper_be_ldsl_mmu(CPUArchState *env, target_ulong addr,
                                     MemOpIdx oi, uintptr_t retaddr);
 
-void helper_ret_stb_mmu(CPUArchState *env, target_ulong addr, uint8_t val,
+/*
+ * Value extended to at least uint32_t, so that some ABIs do not require
+ * zero-extension from uint8_t or uint16_t.
+ */
+void helper_ret_stb_mmu(CPUArchState *env, target_ulong addr, uint32_t val,
                         MemOpIdx oi, uintptr_t retaddr);
-void helper_le_stw_mmu(CPUArchState *env, target_ulong addr, uint16_t val,
+void helper_le_stw_mmu(CPUArchState *env, target_ulong addr, uint32_t val,
                        MemOpIdx oi, uintptr_t retaddr);
 void helper_le_stl_mmu(CPUArchState *env, target_ulong addr, uint32_t val,
                        MemOpIdx oi, uintptr_t retaddr);
 void helper_le_stq_mmu(CPUArchState *env, target_ulong addr, uint64_t val,
                        MemOpIdx oi, uintptr_t retaddr);
-void helper_be_stw_mmu(CPUArchState *env, target_ulong addr, uint16_t val,
+void helper_be_stw_mmu(CPUArchState *env, target_ulong addr, uint32_t val,
                        MemOpIdx oi, uintptr_t retaddr);
 void helper_be_stl_mmu(CPUArchState *env, target_ulong addr, uint32_t val,
                        MemOpIdx oi, uintptr_t retaddr);