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target/arm: Fix VLD2 helper load alignment checks 

This patch adds alignment checks in the load operations in the VLD2
instruction.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1154
Signed-off-by: William Kosasih <kosasihwilliam4@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20250703085604.154449-10-kosasihwilliam4@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
pull/294/head
William Kosasih 1 year ago
committed by Peter Maydell
parent
a7498d625f
commit
26aa0e36bf
1 changed files with 9 additions and 3 deletions
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  1. 12
      target/arm/tcg/mve_helper.c

12
target/arm/tcg/mve_helper.c
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@ -495,13 +495,15 @@ DO_VLD4W(vld43w, 6, 7, 8, 9)
static const uint8_t off[4] = { O1, O2, O3, O4 }; \
uint32_t addr, data; \
uint8_t *qd; \
int mmu_idx = arm_to_core_mmu_idx(arm_mmu_idx(env)); \
MemOpIdx oi = make_memop_idx(MO_TEUL | MO_ALIGN, mmu_idx); \
for (beat = 0; beat < 4; beat++, mask >>= 4) { \
if ((mask & 1) == 0) { \
/* ECI says skip this beat */ \
continue; \
} \
addr = base + off[beat] * 2; \
data = cpu_ldl_le_data_ra(env, addr, GETPC()); \
data = cpu_ldl_mmu(env, addr, oi, GETPC()); \
for (e = 0; e < 4; e++, data >>= 8) { \
qd = (uint8_t *)aa32_vfp_qreg(env, qnidx + (e & 1)); \
qd[H1(off[beat] + (e >> 1))] = data; \
@ -519,13 +521,15 @@ DO_VLD4W(vld43w, 6, 7, 8, 9)
uint32_t addr, data; \
int e; \
uint16_t *qd; \
int mmu_idx = arm_to_core_mmu_idx(arm_mmu_idx(env)); \
MemOpIdx oi = make_memop_idx(MO_TEUL | MO_ALIGN, mmu_idx); \
for (beat = 0; beat < 4; beat++, mask >>= 4) { \
if ((mask & 1) == 0) { \
/* ECI says skip this beat */ \
continue; \
} \
addr = base + off[beat] * 4; \
data = cpu_ldl_le_data_ra(env, addr, GETPC()); \
data = cpu_ldl_mmu(env, addr, oi, GETPC()); \
for (e = 0; e < 2; e++, data >>= 16) { \
qd = (uint16_t *)aa32_vfp_qreg(env, qnidx + e); \
qd[H2(off[beat])] = data; \
@ -542,13 +546,15 @@ DO_VLD4W(vld43w, 6, 7, 8, 9)
static const uint8_t off[4] = { O1, O2, O3, O4 }; \
uint32_t addr, data; \
uint32_t *qd; \
int mmu_idx = arm_to_core_mmu_idx(arm_mmu_idx(env)); \
MemOpIdx oi = make_memop_idx(MO_TEUL | MO_ALIGN, mmu_idx); \
for (beat = 0; beat < 4; beat++, mask >>= 4) { \
if ((mask & 1) == 0) { \
/* ECI says skip this beat */ \
continue; \
} \
addr = base + off[beat]; \
data = cpu_ldl_le_data_ra(env, addr, GETPC()); \
data = cpu_ldl_mmu(env, addr, oi, GETPC()); \
qd = (uint32_t *)aa32_vfp_qreg(env, qnidx + (beat & 1)); \
qd[H4(off[beat] >> 3)] = data; \
} \

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