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authorFrank Chang <frank.chang@sifive.com>2021-12-10 15:56:26 +0800
committerAlistair Francis <alistair.francis@wdc.com>2021-12-20 14:51:36 +1000
commitcd01340e75a700591de5715aa9f0aa226e5a0d34 (patch)
treeb14fc4a67aae83f443ca2b5e2761719d319f54b6 /target/riscv/vector_helper.c
parent6b85975e11952447c3a301f33d2736c7890003dd (diff)
downloadqemu-cd01340e75a700591de5715aa9f0aa226e5a0d34.zip
target/riscv: rvv-1.0: integer extension instructions
Add the following instructions: * vzext.vf2 * vzext.vf4 * vzext.vf8 * vsext.vf2 * vsext.vf4 * vsext.vf8 Signed-off-by: Frank Chang <frank.chang@sifive.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20211210075704.23951-41-frank.chang@sifive.com> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Diffstat (limited to 'target/riscv/vector_helper.c')
-rw-r--r--target/riscv/vector_helper.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c
index 86d03d8e39..58ba2a7d99 100644
--- a/target/riscv/vector_helper.c
+++ b/target/riscv/vector_helper.c
@@ -4544,3 +4544,34 @@ GEN_VEXT_VCOMPRESS_VM(vcompress_vm_b, uint8_t, H1)
GEN_VEXT_VCOMPRESS_VM(vcompress_vm_h, uint16_t, H2)
GEN_VEXT_VCOMPRESS_VM(vcompress_vm_w, uint32_t, H4)
GEN_VEXT_VCOMPRESS_VM(vcompress_vm_d, uint64_t, H8)
+
+/* Vector Integer Extension */
+#define GEN_VEXT_INT_EXT(NAME, ETYPE, DTYPE, HD, HS1) \
+void HELPER(NAME)(void *vd, void *v0, void *vs2, \
+ CPURISCVState *env, uint32_t desc) \
+{ \
+ uint32_t vl = env->vl; \
+ uint32_t vm = vext_vm(desc); \
+ uint32_t i; \
+ \
+ for (i = 0; i < vl; i++) { \
+ if (!vm && !vext_elem_mask(v0, i)) { \
+ continue; \
+ } \
+ *((ETYPE *)vd + HD(i)) = *((DTYPE *)vs2 + HS1(i)); \
+ } \
+}
+
+GEN_VEXT_INT_EXT(vzext_vf2_h, uint16_t, uint8_t, H2, H1)
+GEN_VEXT_INT_EXT(vzext_vf2_w, uint32_t, uint16_t, H4, H2)
+GEN_VEXT_INT_EXT(vzext_vf2_d, uint64_t, uint32_t, H8, H4)
+GEN_VEXT_INT_EXT(vzext_vf4_w, uint32_t, uint8_t, H4, H1)
+GEN_VEXT_INT_EXT(vzext_vf4_d, uint64_t, uint16_t, H8, H2)
+GEN_VEXT_INT_EXT(vzext_vf8_d, uint64_t, uint8_t, H8, H1)
+
+GEN_VEXT_INT_EXT(vsext_vf2_h, int16_t, int8_t, H2, H1)
+GEN_VEXT_INT_EXT(vsext_vf2_w, int32_t, int16_t, H4, H2)
+GEN_VEXT_INT_EXT(vsext_vf2_d, int64_t, int32_t, H8, H4)
+GEN_VEXT_INT_EXT(vsext_vf4_w, int32_t, int8_t, H4, H1)
+GEN_VEXT_INT_EXT(vsext_vf4_d, int64_t, int16_t, H8, H2)
+GEN_VEXT_INT_EXT(vsext_vf8_d, int64_t, int8_t, H8, H1)