diff mbox series

[10/10] target/ppc: Implemented vector module quadword

Message ID 20220330202515.66554-11-lucas.araujo@eldorado.org.br (mailing list archive)
State New, archived
Headers show
Series VDIV/VMOD Implementation | expand

Commit Message

Lucas Mateus Martins Araujo e Castro March 30, 2022, 8:25 p.m. UTC 
From: "Lucas Mateus Castro (alqotel)" <lucas.araujo@eldorado.org.br>

Implement the following PowerISA v3.1 instructions:
vmodsq: Vector Modulo Signed Quadword
vmoduq: Vector Modulo Unsigned Quadword
Undefined behavior based on mambo.

Signed-off-by: Lucas Mateus Castro (alqotel) <lucas.araujo@eldorado.org.br>
---
 target/ppc/helper.h                 |  2 ++
 target/ppc/insn32.decode            |  2 ++
 target/ppc/int_helper.c             | 18 ++++++++++++++++++
 target/ppc/translate/vmx-impl.c.inc |  2 ++
 4 files changed, 24 insertions(+)
diff mbox series

Patch

diff --git a/target/ppc/helper.h b/target/ppc/helper.h
index 67ecff2c9a..881e03959a 100644
--- a/target/ppc/helper.h
+++ b/target/ppc/helper.h
@@ -177,6 +177,8 @@  DEF_HELPER_FLAGS_3(VDIVESD, TCG_CALL_NO_RWG, void, avr, avr, avr)
 DEF_HELPER_FLAGS_3(VDIVEUD, TCG_CALL_NO_RWG, void, avr, avr, avr)
 DEF_HELPER_FLAGS_3(VDIVESQ, TCG_CALL_NO_RWG, void, avr, avr, avr)
 DEF_HELPER_FLAGS_3(VDIVEUQ, TCG_CALL_NO_RWG, void, avr, avr, avr)
+DEF_HELPER_FLAGS_3(VMODSQ, TCG_CALL_NO_RWG, void, avr, avr, avr)
+DEF_HELPER_FLAGS_3(VMODUQ, TCG_CALL_NO_RWG, void, avr, avr, avr)
 DEF_HELPER_3(vslo, void, avr, avr, avr)
 DEF_HELPER_3(vsro, void, avr, avr, avr)
 DEF_HELPER_3(vsrv, void, avr, avr, avr)
diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode
index 36b42e41d2..b53efe1915 100644
--- a/target/ppc/insn32.decode
+++ b/target/ppc/insn32.decode
@@ -724,3 +724,5 @@  VMODSW          000100 ..... ..... ..... 11110001011    @VX
 VMODUW          000100 ..... ..... ..... 11010001011    @VX
 VMODSD          000100 ..... ..... ..... 11111001011    @VX
 VMODUD          000100 ..... ..... ..... 11011001011    @VX
+VMODSQ          000100 ..... ..... ..... 11100001011    @VX
+VMODUQ          000100 ..... ..... ..... 11000001011    @VX
diff --git a/target/ppc/int_helper.c b/target/ppc/int_helper.c
index de9bda8132..5e4fcaa357 100644
--- a/target/ppc/int_helper.c
+++ b/target/ppc/int_helper.c
@@ -1127,6 +1127,24 @@  void helper_VDIVEUQ(ppc_avr_t *t, ppc_avr_t *a, ppc_avr_t *b)
     }
 }
 
+void helper_VMODSQ(ppc_avr_t *t, ppc_avr_t *a, ppc_avr_t *b)
+{
+    if (likely(int128_nz(b->s128))) {
+        t->s128 = int128_rems(a->s128, b->s128);
+    } else {
+        t->s128 = int128_zero(); /* Undefined behavior */
+    }
+}
+
+void helper_VMODUQ(ppc_avr_t *t, ppc_avr_t *a, ppc_avr_t *b)
+{
+    if (likely(int128_nz(b->s128))) {
+        t->s128 = int128_remu(a->s128, b->s128);
+    } else {
+        t->s128 = int128_zero(); /* Undefined behavior */
+    }
+}
+
 void helper_VPERM(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
 {
     ppc_avr_t result;
diff --git a/target/ppc/translate/vmx-impl.c.inc b/target/ppc/translate/vmx-impl.c.inc
index ed01d91b87..b62a77f531 100644
--- a/target/ppc/translate/vmx-impl.c.inc
+++ b/target/ppc/translate/vmx-impl.c.inc
@@ -3381,6 +3381,8 @@  TRANS_VDIV_VMOD(ISA310, VMODSW, MO_32, do_vx_rem_i32 , NULL)
 TRANS_VDIV_VMOD(ISA310, VMODUW, MO_32, do_vx_remu_i32, NULL)
 TRANS_VDIV_VMOD(ISA310, VMODSD, MO_64, NULL, do_vx_rem_i64)
 TRANS_VDIV_VMOD(ISA310, VMODUD, MO_64, NULL, do_vx_remu_i64)
+TRANS_FLAGS2(ISA310, VMODSQ, do_vx_helper, gen_helper_VMODSQ)
+TRANS_FLAGS2(ISA310, VMODUQ, do_vx_helper, gen_helper_VMODUQ)
 
 #undef GEN_VR_LDX
 #undef GEN_VR_STX