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From: Peter Maydell <peter.maydell@linaro.org>
To: qemu-devel@nongnu.org
Subject: [PULL 26/33] target/arm: Update REV, PUNPK for pred_desc
Date: Tue, 19 Jan 2021 15:10:57 +0000	[thread overview]
Message-ID: <20210119151104.16264-27-peter.maydell@linaro.org> (raw)
In-Reply-To: <20210119151104.16264-1-peter.maydell@linaro.org>

From: Richard Henderson <richard.henderson@linaro.org>

Update all users of do_perm_pred2 for the new
predicate descriptor field definitions.

Cc: qemu-stable@nongnu.org
Buglink: https://bugs.launchpad.net/bugs/1908551
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210113062650.593824-5-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 target/arm/sve_helper.c    |  8 ++++----
 target/arm/translate-sve.c | 13 ++++---------
 2 files changed, 8 insertions(+), 13 deletions(-)

diff --git a/target/arm/sve_helper.c b/target/arm/sve_helper.c
index 7eec4b6b73a..844db08bd57 100644
--- a/target/arm/sve_helper.c
+++ b/target/arm/sve_helper.c
@@ -2036,8 +2036,8 @@ static uint8_t reverse_bits_8(uint8_t x, int n)
 
 void HELPER(sve_rev_p)(void *vd, void *vn, uint32_t pred_desc)
 {
-    intptr_t oprsz = extract32(pred_desc, 0, SIMD_OPRSZ_BITS) + 2;
-    int esz = extract32(pred_desc, SIMD_DATA_SHIFT, 2);
+    intptr_t oprsz = FIELD_EX32(pred_desc, PREDDESC, OPRSZ);
+    int esz = FIELD_EX32(pred_desc, PREDDESC, ESZ);
     intptr_t i, oprsz_2 = oprsz / 2;
 
     if (oprsz <= 8) {
@@ -2066,8 +2066,8 @@ void HELPER(sve_rev_p)(void *vd, void *vn, uint32_t pred_desc)
 
 void HELPER(sve_punpk_p)(void *vd, void *vn, uint32_t pred_desc)
 {
-    intptr_t oprsz = extract32(pred_desc, 0, SIMD_OPRSZ_BITS) + 2;
-    intptr_t high = extract32(pred_desc, SIMD_DATA_SHIFT + 2, 1);
+    intptr_t oprsz = FIELD_EX32(pred_desc, PREDDESC, OPRSZ);
+    intptr_t high = FIELD_EX32(pred_desc, PREDDESC, DATA);
     uint64_t *d = vd;
     intptr_t i;
 
diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c
index 0baca176a09..27402af23c0 100644
--- a/target/arm/translate-sve.c
+++ b/target/arm/translate-sve.c
@@ -2145,19 +2145,14 @@ static bool do_perm_pred2(DisasContext *s, arg_rr_esz *a, bool high_odd,
     TCGv_ptr t_d = tcg_temp_new_ptr();
     TCGv_ptr t_n = tcg_temp_new_ptr();
     TCGv_i32 t_desc;
-    int desc;
+    uint32_t desc = 0;
 
     tcg_gen_addi_ptr(t_d, cpu_env, pred_full_reg_offset(s, a->rd));
     tcg_gen_addi_ptr(t_n, cpu_env, pred_full_reg_offset(s, a->rn));
 
-    /* Predicate sizes may be smaller and cannot use simd_desc.
-       We cannot round up, as we do elsewhere, because we need
-       the exact size for ZIP2 and REV.  We retain the style for
-       the other helpers for consistency.  */
-
-    desc = vsz - 2;
-    desc = deposit32(desc, SIMD_DATA_SHIFT, 2, a->esz);
-    desc = deposit32(desc, SIMD_DATA_SHIFT + 2, 2, high_odd);
+    desc = FIELD_DP32(desc, PREDDESC, OPRSZ, vsz);
+    desc = FIELD_DP32(desc, PREDDESC, ESZ, a->esz);
+    desc = FIELD_DP32(desc, PREDDESC, DATA, high_odd);
     t_desc = tcg_const_i32(desc);
 
     fn(t_d, t_n, t_desc);
-- 
2.20.1



  parent reply	other threads:[~2021-01-19 15:44 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-19 15:10 [PULL 00/33] target-arm queue Peter Maydell
2021-01-19 15:10 ` [PULL 01/33] target/arm: Implement an IMPDEF pauth algorithm Peter Maydell
2021-01-19 15:10 ` [PULL 02/33] target/arm: Add cpu properties to control pauth Peter Maydell
2021-01-19 15:10 ` [PULL 03/33] target/arm: Use object_property_add_bool for "sve" property Peter Maydell
2021-01-19 15:10 ` [PULL 04/33] target/arm: remove redundant tests Peter Maydell
2021-01-19 15:10 ` [PULL 05/33] target/arm: add arm_is_el2_enabled() helper Peter Maydell
2021-01-19 15:10 ` [PULL 06/33] target/arm: use arm_is_el2_enabled() where applicable Peter Maydell
2021-01-19 15:10 ` [PULL 07/33] target/arm: use arm_hcr_el2_eff() " Peter Maydell
2021-01-19 15:10 ` [PULL 08/33] target/arm: factor MDCR_EL2 common handling Peter Maydell
2021-01-19 15:10 ` [PULL 09/33] target/arm: Define isar_feature function to test for presence of SEL2 Peter Maydell
2021-01-19 15:10 ` [PULL 10/33] target/arm: add 64-bit S-EL2 to EL exception table Peter Maydell
2021-01-19 15:10 ` [PULL 11/33] target/arm: add MMU stage 1 for Secure EL2 Peter Maydell
2021-01-19 15:10 ` [PULL 12/33] target/arm: add ARMv8.4-SEL2 system registers Peter Maydell
2021-01-19 15:10 ` [PULL 13/33] target/arm: handle VMID change in secure state Peter Maydell
2021-01-19 15:10 ` [PULL 14/33] target/arm: do S1_ptw_translate() before address space lookup Peter Maydell
2021-01-19 15:10 ` [PULL 15/33] target/arm: translate NS bit in page-walks Peter Maydell
2021-01-19 15:10 ` [PULL 16/33] target/arm: generalize 2-stage page-walk condition Peter Maydell
2021-01-19 15:10 ` [PULL 17/33] target/arm: secure stage 2 translation regime Peter Maydell
2021-01-19 15:10 ` [PULL 18/33] target/arm: set HPFAR_EL2.NS on secure stage 2 faults Peter Maydell
2021-01-19 15:10 ` [PULL 19/33] target/arm: revector to run-time pick target EL Peter Maydell
2021-01-19 15:10 ` [PULL 20/33] target/arm: Implement SCR_EL2.EEL2 Peter Maydell
2021-01-19 15:10 ` [PULL 21/33] target/arm: enable Secure EL2 in max CPU Peter Maydell
2021-01-19 15:10 ` [PULL 22/33] target/arm: refactor vae1_tlbmask() Peter Maydell
2021-01-19 15:10 ` [PULL 23/33] target/arm: Introduce PREDDESC field definitions Peter Maydell
2021-01-19 15:10 ` [PULL 24/33] target/arm: Update PFIRST, PNEXT for pred_desc Peter Maydell
2021-01-19 15:10 ` [PULL 25/33] target/arm: Update ZIP, UZP, TRN " Peter Maydell
2021-01-19 15:10 ` Peter Maydell [this message]
2021-01-19 15:10 ` [PULL 27/33] hw/misc/pvpanic: split-out generic and bus dependent code Peter Maydell
2021-01-19 15:10 ` [PULL 28/33] hw/misc/pvpanic: add PCI interface support Peter Maydell
2021-01-19 15:11 ` [PULL 29/33] pvpanic : update pvpanic spec document Peter Maydell
2021-01-19 15:11 ` [PULL 30/33] tests/qtest: add a test case for pvpanic-pci Peter Maydell
2021-01-19 15:11 ` [PULL 31/33] npcm7xx_adc-test: Fix memleak in adc_qom_set Peter Maydell
2021-01-19 15:11 ` [PULL 32/33] target/arm/m_helper: Silence GCC 10 maybe-uninitialized error Peter Maydell
2021-01-19 15:11 ` [PULL 33/33] docs: Build and install all the docs in a single manual Peter Maydell
2021-01-19 16:00 ` [PULL 00/33] target-arm queue no-reply

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