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authorRichard Henderson <richard.henderson@linaro.org>2023-01-12 11:24:36 +0100
committerPeter Maydell <peter.maydell@linaro.org>2023-01-23 13:32:38 +0000
commit5c922ec5b136b452fe9d21e7581c99554ce650ed (patch)
treee7e63e1cd924e6d3da1c715e73f010c0bb3415e9
parentf4318557149184d6dac99e561acabcb602a84ee1 (diff)
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target/arm/sme: Unify set_pstate() SM/ZA helpers as set_svcr()
Unify the two helper_set_pstate_{sm,za} in this function. Do not call helper_* functions from svcr_write. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Fabiano Rosas <farosas@suse.de> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-id: 20230112102436.1913-8-philmd@linaro.org Message-Id: <20230112004322.161330-1-richard.henderson@linaro.org> [PMD: Split patch in multiple tiny steps] Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
-rw-r--r--target/arm/helper-sme.h3
-rw-r--r--target/arm/helper.c2
-rw-r--r--target/arm/sme_helper.c9
-rw-r--r--target/arm/translate-a64.c10
4 files changed, 5 insertions, 19 deletions
diff --git a/target/arm/helper-sme.h b/target/arm/helper-sme.h
index d2d544a..27eef49 100644
--- a/target/arm/helper-sme.h
+++ b/target/arm/helper-sme.h
@@ -17,8 +17,7 @@
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
-DEF_HELPER_FLAGS_2(set_pstate_sm, TCG_CALL_NO_RWG, void, env, i32)
-DEF_HELPER_FLAGS_2(set_pstate_za, TCG_CALL_NO_RWG, void, env, i32)
+DEF_HELPER_FLAGS_3(set_svcr, TCG_CALL_NO_RWG, void, env, i32, i32)
DEF_HELPER_FLAGS_3(sme_zero, TCG_CALL_NO_RWG, void, env, i32, i32)
diff --git a/target/arm/helper.c b/target/arm/helper.c
index 8077967..72b37b7 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -6765,8 +6765,6 @@ void aarch64_set_svcr(CPUARMState *env, uint64_t new, uint64_t mask)
static void svcr_write(CPUARMState *env, const ARMCPRegInfo *ri,
uint64_t value)
{
- helper_set_pstate_sm(env, FIELD_EX64(value, SVCR, SM));
- helper_set_pstate_za(env, FIELD_EX64(value, SVCR, ZA));
aarch64_set_svcr(env, value, -1);
}
diff --git a/target/arm/sme_helper.c b/target/arm/sme_helper.c
index 3abe03e..1e67fca 100644
--- a/target/arm/sme_helper.c
+++ b/target/arm/sme_helper.c
@@ -29,14 +29,9 @@
#include "vec_internal.h"
#include "sve_ldst_internal.h"
-void helper_set_pstate_sm(CPUARMState *env, uint32_t i)
+void helper_set_svcr(CPUARMState *env, uint32_t val, uint32_t mask)
{
- aarch64_set_svcr(env, 0, R_SVCR_SM_MASK);
-}
-
-void helper_set_pstate_za(CPUARMState *env, uint32_t i)
-{
- aarch64_set_svcr(env, 0, R_SVCR_ZA_MASK);
+ aarch64_set_svcr(env, val, mask);
}
void helper_sme_zero(CPUARMState *env, uint32_t imm, uint32_t svl)
diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c
index 035e63b..19cf371 100644
--- a/target/arm/translate-a64.c
+++ b/target/arm/translate-a64.c
@@ -1847,14 +1847,8 @@ static void handle_msr_i(DisasContext *s, uint32_t insn,
if ((old ^ new) & msk) {
/* At least one bit changes. */
- bool i = crm & 1;
-
- if ((crm & 2) && i != s->pstate_sm) {
- gen_helper_set_pstate_sm(cpu_env, tcg_constant_i32(i));
- }
- if ((crm & 4) && i != s->pstate_za) {
- gen_helper_set_pstate_za(cpu_env, tcg_constant_i32(i));
- }
+ gen_helper_set_svcr(cpu_env, tcg_constant_i32(new),
+ tcg_constant_i32(msk));
} else {
s->base.is_jmp = DISAS_NEXT;
}