diff options
| author | Richard Henderson <rth@twiddle.net> | 2015-02-18 20:40:38 -0800 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2018-05-14 14:35:02 -0700 |
| commit | 4e2d30079c0e771d2c6a607001a4165f2cb51d82 (patch) | |
| tree | 34b0f32e08b3df7c92bd084e68f4bd11ae84046d /target/openrisc/helper.h | |
| parent | bbd87423ea0c436c55bbc3f9c23d4f811d1f3f29 (diff) | |
target-openrisc: Write back result before FPE exception
The architecture manual is unclear about this, but the or1ksim
does writeback before the exception. This requires splitting
the helpers in half, with the exception raised by the second.
Acked-by: Stafford Horne <shorne@gmail.com>
Reviewed-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'target/openrisc/helper.h')
| -rw-r--r-- | target/openrisc/helper.h | 25 |
1 files changed, 12 insertions, 13 deletions
diff --git a/target/openrisc/helper.h b/target/openrisc/helper.h index 4fd1a6bb8e..e37dabc77a 100644 --- a/target/openrisc/helper.h +++ b/target/openrisc/helper.h @@ -24,17 +24,19 @@ DEF_HELPER_FLAGS_1(ove_ov, TCG_CALL_NO_WG, void, env) DEF_HELPER_FLAGS_1(ove_cyov, TCG_CALL_NO_WG, void, env) /* float */ -DEF_HELPER_FLAGS_2(itofd, TCG_CALL_NO_WG, i64, env, i64) -DEF_HELPER_FLAGS_2(itofs, TCG_CALL_NO_WG, i32, env, i32) -DEF_HELPER_FLAGS_2(ftoid, TCG_CALL_NO_WG, i64, env, i64) -DEF_HELPER_FLAGS_2(ftois, TCG_CALL_NO_WG, i32, env, i32) +DEF_HELPER_FLAGS_1(update_fpcsr, TCG_CALL_NO_WG, void, env) -DEF_HELPER_FLAGS_4(float_madd_s, TCG_CALL_NO_WG, i32, env, i32, i32, i32) -DEF_HELPER_FLAGS_4(float_madd_d, TCG_CALL_NO_WG, i64, env, i64, i64, i64) +DEF_HELPER_FLAGS_2(itofd, TCG_CALL_NO_RWG, i64, env, i64) +DEF_HELPER_FLAGS_2(itofs, TCG_CALL_NO_RWG, i32, env, i32) +DEF_HELPER_FLAGS_2(ftoid, TCG_CALL_NO_RWG, i64, env, i64) +DEF_HELPER_FLAGS_2(ftois, TCG_CALL_NO_RWG, i32, env, i32) + +DEF_HELPER_FLAGS_4(float_madd_s, TCG_CALL_NO_RWG, i32, env, i32, i32, i32) +DEF_HELPER_FLAGS_4(float_madd_d, TCG_CALL_NO_RWG, i64, env, i64, i64, i64) #define FOP_CALC(op) \ -DEF_HELPER_FLAGS_3(float_ ## op ## _s, TCG_CALL_NO_WG, i32, env, i32, i32) \ -DEF_HELPER_FLAGS_3(float_ ## op ## _d, TCG_CALL_NO_WG, i64, env, i64, i64) +DEF_HELPER_FLAGS_3(float_ ## op ## _s, TCG_CALL_NO_RWG, i32, env, i32, i32) \ +DEF_HELPER_FLAGS_3(float_ ## op ## _d, TCG_CALL_NO_RWG, i64, env, i64, i64) FOP_CALC(add) FOP_CALC(sub) FOP_CALC(mul) @@ -43,14 +45,11 @@ FOP_CALC(rem) #undef FOP_CALC #define FOP_CMP(op) \ -DEF_HELPER_FLAGS_3(float_ ## op ## _s, TCG_CALL_NO_WG, i32, env, i32, i32) \ -DEF_HELPER_FLAGS_3(float_ ## op ## _d, TCG_CALL_NO_WG, i64, env, i64, i64) +DEF_HELPER_FLAGS_3(float_ ## op ## _s, TCG_CALL_NO_RWG, tl, env, i32, i32) \ +DEF_HELPER_FLAGS_3(float_ ## op ## _d, TCG_CALL_NO_RWG, tl, env, i64, i64) FOP_CMP(eq) FOP_CMP(lt) FOP_CMP(le) -FOP_CMP(ne) -FOP_CMP(gt) -FOP_CMP(ge) #undef FOP_CMP /* interrupt */ |