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[PATCH v4 21/47] target/ppc: implement vsrq
From: |
matheus . ferst |
Subject: |
[PATCH v4 21/47] target/ppc: implement vsrq |
Date: |
Tue, 22 Feb 2022 11:36:19 -0300 |
From: Matheus Ferst <matheus.ferst@eldorado.org.br>
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
---
v4:
- New in v4.
---
target/ppc/insn32.decode | 1 +
target/ppc/translate/vmx-impl.c.inc | 40 +++++++++++++++++++++--------
2 files changed, 31 insertions(+), 10 deletions(-)
diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode
index 3799065508..96ee730242 100644
--- a/target/ppc/insn32.decode
+++ b/target/ppc/insn32.decode
@@ -479,6 +479,7 @@ VSRB 000100 ..... ..... ..... 01000000100 @VX
VSRH 000100 ..... ..... ..... 01001000100 @VX
VSRW 000100 ..... ..... ..... 01010000100 @VX
VSRD 000100 ..... ..... ..... 11011000100 @VX
+VSRQ 000100 ..... ..... ..... 01000000101 @VX
VSRAB 000100 ..... ..... ..... 01100000100 @VX
VSRAH 000100 ..... ..... ..... 01101000100 @VX
diff --git a/target/ppc/translate/vmx-impl.c.inc
b/target/ppc/translate/vmx-impl.c.inc
index ca98a545ef..ec2b47b4aa 100644
--- a/target/ppc/translate/vmx-impl.c.inc
+++ b/target/ppc/translate/vmx-impl.c.inc
@@ -834,11 +834,10 @@ TRANS_FLAGS(ALTIVEC, VSRAH, do_vector_gvec3_VX, MO_16,
tcg_gen_gvec_sarv);
TRANS_FLAGS(ALTIVEC, VSRAW, do_vector_gvec3_VX, MO_32, tcg_gen_gvec_sarv);
TRANS_FLAGS2(ALTIVEC_207, VSRAD, do_vector_gvec3_VX, MO_64, tcg_gen_gvec_sarv);
-static bool trans_VSLQ(DisasContext *ctx, arg_VX *a)
+static bool do_vector_shift_quad(DisasContext *ctx, arg_VX *a, bool right)
{
TCGv_i64 hi, lo, tmp, n, sf = tcg_constant_i64(64);
- REQUIRE_INSNS_FLAGS2(ctx, ISA310);
REQUIRE_VECTOR(ctx);
n = tcg_temp_new_i64();
@@ -852,19 +851,37 @@ static bool trans_VSLQ(DisasContext *ctx, arg_VX *a)
get_avr64(n, a->vrb, true);
tcg_gen_andi_i64(n, n, 0x7F);
- tcg_gen_movcond_i64(TCG_COND_GE, hi, n, sf, lo, hi);
- tcg_gen_movcond_i64(TCG_COND_GE, lo, n, sf, tmp, lo);
+ if (right) {
+ tcg_gen_movcond_i64(TCG_COND_GE, lo, n, sf, hi, lo);
+ tcg_gen_movcond_i64(TCG_COND_GE, hi, n, sf, tmp, hi);
+ } else {
+ tcg_gen_movcond_i64(TCG_COND_GE, hi, n, sf, lo, hi);
+ tcg_gen_movcond_i64(TCG_COND_GE, lo, n, sf, tmp, lo);
+ }
tcg_gen_andi_i64(n, n, ~64ULL);
- tcg_gen_shl_i64(tmp, lo, n);
- set_avr64(a->vrt, tmp, false);
+ if (right) {
+ tcg_gen_shr_i64(tmp, hi, n);
+ } else {
+ tcg_gen_shl_i64(tmp, lo, n);
+ }
+ set_avr64(a->vrt, tmp, right);
- tcg_gen_shl_i64(hi, hi, n);
+ if (right) {
+ tcg_gen_shr_i64(lo, lo, n);
+ } else {
+ tcg_gen_shl_i64(hi, hi, n);
+ }
tcg_gen_xori_i64(n, n, 63);
- tcg_gen_shr_i64(lo, lo, n);
- tcg_gen_shri_i64(lo, lo, 1);
+ if (right) {
+ tcg_gen_shl_i64(hi, hi, n);
+ tcg_gen_shli_i64(hi, hi, 1);
+ } else {
+ tcg_gen_shr_i64(lo, lo, n);
+ tcg_gen_shri_i64(lo, lo, 1);
+ }
tcg_gen_or_i64(hi, hi, lo);
- set_avr64(a->vrt, hi, true);
+ set_avr64(a->vrt, hi, !right);
tcg_temp_free_i64(hi);
tcg_temp_free_i64(lo);
@@ -874,6 +891,9 @@ static bool trans_VSLQ(DisasContext *ctx, arg_VX *a)
return true;
}
+TRANS_FLAGS2(ISA310, VSLQ, do_vector_shift_quad, false);
+TRANS_FLAGS2(ISA310, VSRQ, do_vector_shift_quad, true);
+
#define GEN_VXFORM_SAT(NAME, VECE, NORM, SAT, OPC2, OPC3) \
static void glue(glue(gen_, NAME), _vec)(unsigned vece, TCGv_vec t, \
TCGv_vec sat, TCGv_vec a, \
--
2.25.1
- [PATCH v4 13/47] target/ppc: Implement Vector Compare Quadword, (continued)
- [PATCH v4 13/47] target/ppc: Implement Vector Compare Quadword, matheus . ferst, 2022/02/22
- [PATCH v4 15/47] target/ppc: implement vclrlb, matheus . ferst, 2022/02/22
- [PATCH v4 16/47] target/ppc: implement vclrrb, matheus . ferst, 2022/02/22
- [PATCH v4 17/47] target/ppc: implement vcntmb[bhwd], matheus . ferst, 2022/02/22
- [PATCH v4 20/47] target/ppc: implement vslq, matheus . ferst, 2022/02/22
- [PATCH v4 18/47] target/ppc: implement vgnb, matheus . ferst, 2022/02/22
- [PATCH v4 21/47] target/ppc: implement vsrq,
matheus . ferst <=
- [PATCH v4 19/47] target/ppc: move vs[lr][a][bhwd] to decodetree, matheus . ferst, 2022/02/22
- [PATCH v4 23/47] target/ppc: move vrl[bhwd] to decodetree, matheus . ferst, 2022/02/22
- [PATCH v4 22/47] target/ppc: implement vsraq, matheus . ferst, 2022/02/22
- [PATCH v4 24/47] target/ppc: move vrl[bhwd]nm/vrl[bhwd]mi to decodetree, matheus . ferst, 2022/02/22