diff mbox series

[RFC,v3,50/71] target/riscv: rvv-1.0: integer comparison instructions

Message ID 20200806104709.13235-51-frank.chang@sifive.com (mailing list archive)
State New, archived
Headers show
Series target/riscv: support vector extension v1.0 | expand

Commit Message

Frank Chang Aug. 6, 2020, 10:46 a.m. UTC 
From: Frank Chang <frank.chang@sifive.com>

* 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>
---
 target/riscv/insn_trans/trans_rvv.inc.c | 4 ++--
 target/riscv/vector_helper.c            | 8 --------
 2 files changed, 2 insertions(+), 10 deletions(-)
diff mbox series

Patch

diff --git a/target/riscv/insn_trans/trans_rvv.inc.c b/target/riscv/insn_trans/trans_rvv.inc.c
index c2eda17c0ce..0a86d41b0a4 100644
--- a/target/riscv/insn_trans/trans_rvv.inc.c
+++ b/target/riscv/insn_trans/trans_rvv.inc.c
@@ -2075,9 +2075,9 @@  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 5add464933c..32bcee0f380 100644
--- a/target/riscv/vector_helper.c
+++ b/target/riscv/vector_helper.c
@@ -1421,7 +1421,6 @@  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++) {                                \
@@ -1432,9 +1431,6 @@  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)
@@ -1473,7 +1469,6 @@  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++) {                                      \
@@ -1484,9 +1479,6 @@  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)