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qemu/target-arm-Update-REV-PUNPK-for-pred_des.patch
Bruce Rogers a8263c0693 Accepting request 869843 from home:bfrogers:branches:Virtualization
- Include upstream patches designated as stable material and
  reviewed for applicability to include here
  block-Separate-blk_is_writable-and-blk_s.patch
  hw-intc-arm_gic-Fix-interrupt-ID-in-GICD.patch
  hw-net-lan9118-Fix-RX-Status-FIFO-PEEK-v.patch
  hw-timer-slavio_timer-Allow-64-bit-acces.patch
  net-Fix-handling-of-id-in-netdev_add-and.patch
  target-arm-Don-t-decode-insns-in-the-XSc.patch
  target-arm-Fix-MTE0_ACTIVE.patch
  target-arm-Introduce-PREDDESC-field-defi.patch
  target-arm-Update-PFIRST-PNEXT-for-pred_.patch
  target-arm-Update-REV-PUNPK-for-pred_des.patch
  target-arm-Update-ZIP-UZP-TRN-for-pred_d.patch
  tcg-Use-memset-for-large-vector-byte-rep.patch
  ui-vnc-Add-missing-lock-for-send_color_m.patch
  virtio-move-use-disabled-flag-property-t.patch
- binutils v2.36 has changed the handling of the assembler's
  -mx86-used-note, resulting in a build failure. To compensate, we
  now explicitly specify -mx86-used-note=no in the seabios Makefile
  (boo#1181775)
  build-be-explicit-about-mx86-used-note-n.patch

OBS-URL: https://build.opensuse.org/request/show/869843
OBS-URL: https://build.opensuse.org/package/show/Virtualization/qemu?expand=0&rev=614
2021-02-05 19:59:39 +00:00

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3.0 KiB
Diff

From: Richard Henderson <richard.henderson@linaro.org>
Date: Tue, 12 Jan 2021 20:26:50 -1000
Subject: target/arm: Update REV, PUNPK for pred_desc
Git-commit: 70acaafef2e053a312d54c09b6721c730690e72c
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>
Signed-off-by: Bruce Rogers <brogers@suse.com>
---
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 7eec4b6b73a273ecaf2fc218d8d4..844db08bd577016081329d6c4002 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 0baca176a090001de915a7866af4..27402af23c0b58fa94b4ac185951 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);