[2/4] target/rx: Remove TCG_CALL_NO_WG from helpers which write env

Commit Message

Keith Packard Feb. 18, 2025, 9:21 p.m. UTC

Functions which modify virtual machine state (such as virtual
registers stored in memory) must not be marked TCG_CALL_NO_WG as that
tells the optimizer that virtual registers values already loaded in
machine registers are still valid, hence discards any changes which
these helpers may have made. This seems to also mean that functions which
set condition codes may also not use this flag

Signed-off-by: Keith Packard <[e-mail]>
---
 target/rx/helper.h | 34 +++++++++++++++++-----------------
 1 file changed, 17 insertions(+), 17 deletions(-)

Patch

diff --git a/target/rx/helper.h b/target/rx/helper.h
index ebb4739474..8cc38b0cb7 100644
--- a/target/rx/helper.h
+++ b/target/rx/helper.h
@@ -4,27 +4,27 @@  DEF_HELPER_1(raise_privilege_violation, noreturn, env)
 DEF_HELPER_1(wait, noreturn, env)
 DEF_HELPER_2(rxint, noreturn, env, i32)
 DEF_HELPER_1(rxbrk, noreturn, env)
-DEF_HELPER_FLAGS_3(fadd, TCG_CALL_NO_WG, f32, env, f32, f32)
-DEF_HELPER_FLAGS_3(fsub, TCG_CALL_NO_WG, f32, env, f32, f32)
-DEF_HELPER_FLAGS_3(fmul, TCG_CALL_NO_WG, f32, env, f32, f32)
-DEF_HELPER_FLAGS_3(fdiv, TCG_CALL_NO_WG, f32, env, f32, f32)
-DEF_HELPER_FLAGS_3(fcmp, TCG_CALL_NO_WG, void, env, f32, f32)
-DEF_HELPER_FLAGS_2(ftoi, TCG_CALL_NO_WG, i32, env, f32)
-DEF_HELPER_FLAGS_2(round, TCG_CALL_NO_WG, i32, env, f32)
-DEF_HELPER_FLAGS_2(itof, TCG_CALL_NO_WG, f32, env, i32)
+DEF_HELPER_3(fadd, f32, env, f32, f32)
+DEF_HELPER_3(fsub, f32, env, f32, f32)
+DEF_HELPER_3(fmul, f32, env, f32, f32)
+DEF_HELPER_3(fdiv, f32, env, f32, f32)
+DEF_HELPER_3(fcmp, void, env, f32, f32)
+DEF_HELPER_2(ftoi, i32, env, f32)
+DEF_HELPER_2(round, i32, env, f32)
+DEF_HELPER_2(itof, f32, env, i32)
 DEF_HELPER_2(set_fpsw, void, env, i32)
-DEF_HELPER_FLAGS_2(racw, TCG_CALL_NO_WG, void, env, i32)
-DEF_HELPER_FLAGS_2(set_psw_rte, TCG_CALL_NO_WG, void, env, i32)
-DEF_HELPER_FLAGS_2(set_psw, TCG_CALL_NO_WG, void, env, i32)
+DEF_HELPER_2(racw, void, env, i32)
+DEF_HELPER_2(set_psw_rte, void, env, i32)
+DEF_HELPER_2(set_psw, void, env, i32)
 DEF_HELPER_1(pack_psw, i32, env)
-DEF_HELPER_FLAGS_3(div, TCG_CALL_NO_WG, i32, env, i32, i32)
-DEF_HELPER_FLAGS_3(divu, TCG_CALL_NO_WG, i32, env, i32, i32)
-DEF_HELPER_FLAGS_1(scmpu, TCG_CALL_NO_WG, void, env)
+DEF_HELPER_3(div, i32, env, i32, i32)
+DEF_HELPER_3(divu, i32, env, i32, i32)
+DEF_HELPER_1(scmpu, void, env)
 DEF_HELPER_1(smovu, void, env)
 DEF_HELPER_1(smovf, void, env)
 DEF_HELPER_1(smovb, void, env)
 DEF_HELPER_2(sstr, void, env, i32)
-DEF_HELPER_FLAGS_2(swhile, TCG_CALL_NO_WG, void, env, i32)
-DEF_HELPER_FLAGS_2(suntil, TCG_CALL_NO_WG, void, env, i32)
-DEF_HELPER_FLAGS_2(rmpa, TCG_CALL_NO_WG, void, env, i32)
+DEF_HELPER_2(swhile, void, env, i32)
+DEF_HELPER_2(suntil, void, env, i32)
+DEF_HELPER_2(rmpa, void, env, i32)
 DEF_HELPER_1(satr, void, env)