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- From 2b28bc696cde7658f9e987f3d001e2ac51356223 Mon Sep 17 00:00:00 2001
- From: Frank Chang <frank.chang@sifive.com>
- Date: Tue, 4 Aug 2020 11:06:25 +0800
- Subject: [PATCH 054/107] target/riscv: rvv-1.0: integer comparison
- instructions
- * Sign-extend vmselu.vi and vmsgtu.vi immediate values.
- * Remove "set tail elements to zeros" as tail elements can be unchanged
- for either VTA to have undisturbed or agnostic setting.
- Signed-off-by: Frank Chang <frank.chang@sifive.com>
- Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
- ---
- target/riscv/insn_trans/trans_rvv.c.inc | 4 ++--
- target/riscv/vector_helper.c | 8 --------
- 2 files changed, 2 insertions(+), 10 deletions(-)
- diff --git a/target/riscv/insn_trans/trans_rvv.c.inc b/target/riscv/insn_trans/trans_rvv.c.inc
- index 715b09eda9..5f02399ad3 100644
- --- a/target/riscv/insn_trans/trans_rvv.c.inc
- +++ b/target/riscv/insn_trans/trans_rvv.c.inc
- @@ -2038,9 +2038,9 @@ GEN_OPIVX_TRANS(vmsgt_vx, opivx_cmp_check)
-
- GEN_OPIVI_TRANS(vmseq_vi, IMM_SX, vmseq_vx, opivx_cmp_check)
- GEN_OPIVI_TRANS(vmsne_vi, IMM_SX, vmsne_vx, opivx_cmp_check)
- -GEN_OPIVI_TRANS(vmsleu_vi, IMM_ZX, vmsleu_vx, opivx_cmp_check)
- +GEN_OPIVI_TRANS(vmsleu_vi, IMM_SX, vmsleu_vx, opivx_cmp_check)
- GEN_OPIVI_TRANS(vmsle_vi, IMM_SX, vmsle_vx, opivx_cmp_check)
- -GEN_OPIVI_TRANS(vmsgtu_vi, IMM_ZX, vmsgtu_vx, opivx_cmp_check)
- +GEN_OPIVI_TRANS(vmsgtu_vi, IMM_SX, vmsgtu_vx, opivx_cmp_check)
- GEN_OPIVI_TRANS(vmsgt_vi, IMM_SX, vmsgt_vx, opivx_cmp_check)
-
- /* Vector Integer Min/Max Instructions */
- diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c
- index 19542c9f5a..f9c2f9cd89 100644
- --- a/target/riscv/vector_helper.c
- +++ b/target/riscv/vector_helper.c
- @@ -1399,7 +1399,6 @@ void HELPER(NAME)(void *vd, void *v0, void *vs1, void *vs2, \
- { \
- uint32_t vm = vext_vm(desc); \
- uint32_t vl = env->vl; \
- - uint32_t vlmax = vext_maxsz(desc) / sizeof(ETYPE); \
- uint32_t i; \
- \
- for (i = 0; i < vl; i++) { \
- @@ -1410,9 +1409,6 @@ void HELPER(NAME)(void *vd, void *v0, void *vs1, void *vs2, \
- } \
- vext_set_elem_mask(vd, i, DO_OP(s2, s1)); \
- } \
- - for (; i < vlmax; i++) { \
- - vext_set_elem_mask(vd, i, 0); \
- - } \
- }
-
- GEN_VEXT_CMP_VV(vmseq_vv_b, uint8_t, H1, DO_MSEQ)
- @@ -1451,7 +1447,6 @@ void HELPER(NAME)(void *vd, void *v0, target_ulong s1, void *vs2, \
- { \
- uint32_t vm = vext_vm(desc); \
- uint32_t vl = env->vl; \
- - uint32_t vlmax = vext_maxsz(desc) / sizeof(ETYPE); \
- uint32_t i; \
- \
- for (i = 0; i < vl; i++) { \
- @@ -1462,9 +1457,6 @@ void HELPER(NAME)(void *vd, void *v0, target_ulong s1, void *vs2, \
- vext_set_elem_mask(vd, i, \
- DO_OP(s2, (ETYPE)(target_long)s1)); \
- } \
- - for (; i < vlmax; i++) { \
- - vext_set_elem_mask(vd, i, 0); \
- - } \
- }
-
- GEN_VEXT_CMP_VX(vmseq_vx_b, uint8_t, H1, DO_MSEQ)
- --
- 2.33.1
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