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[Qemu-devel] [PATCH RFC v1 04/29] target-arc: AND, OR, XOR, BIC, TST
From: |
Michael Rolnik |
Subject: |
[Qemu-devel] [PATCH RFC v1 04/29] target-arc: AND, OR, XOR, BIC, TST |
Date: |
Fri, 9 Sep 2016 01:31:45 +0300 |
Signed-off-by: Michael Rolnik <address@hidden>
---
target-arc/translate-inst.c | 119 ++++++++++++++++++++++++++++++++++++++++++++
target-arc/translate-inst.h | 6 +++
2 files changed, 125 insertions(+)
diff --git a/target-arc/translate-inst.c b/target-arc/translate-inst.c
index 7389e5c..5192f41 100644
--- a/target-arc/translate-inst.c
+++ b/target-arc/translate-inst.c
@@ -333,3 +333,122 @@ int arc_gen_CMP(DisasCtxt *ctx, TCGv src1, TCGv src2)
return BS_NONE;
}
+
+/*
+ TST
+*/
+int arc_gen_TST(DisasCtxt *ctx, TCGv src1, TCGv src2)
+{
+ TCGv temp = tcg_temp_new_i32();
+
+ ctx->opt.f = 1;
+ arc_gen_AND(ctx, temp, src1, src2);
+ tcg_temp_free_i32(temp);
+
+ return BS_NONE;
+}
+
+/*
+ AND
+*/
+int arc_gen_AND(DisasCtxt *ctx, TCGv dest, TCGv src1, TCGv src2)
+{
+ TCGv rslt = dest;
+
+ if (TCGV_EQUAL(dest, src1) || TCGV_EQUAL(dest, src2)) {
+ rslt = tcg_temp_new_i32();
+ }
+
+ tcg_gen_and_tl(rslt, src1, src2);
+
+ if (ctx->opt.f) {
+ tcg_gen_setcond_tl(TCG_COND_EQ, cpu_Zf, rslt, ctx->zero);
+ tcg_gen_shri_tl(cpu_Nf, rslt, 31);
+ }
+
+ if (!TCGV_EQUAL(dest, rslt)) {
+ tcg_gen_mov_tl(dest, rslt);
+ tcg_temp_free_i32(rslt);
+ }
+
+ return BS_NONE;
+}
+
+/*
+ OR
+*/
+int arc_gen_OR(DisasCtxt *ctx, TCGv dest, TCGv src1, TCGv src2)
+{
+ TCGv rslt = dest;
+
+ if (TCGV_EQUAL(dest, src1) || TCGV_EQUAL(dest, src2)) {
+ rslt = tcg_temp_new_i32();
+ }
+
+ tcg_gen_or_tl(rslt, src1, src2);
+
+ if (ctx->opt.f) {
+ tcg_gen_setcond_tl(TCG_COND_EQ, cpu_Zf, rslt, ctx->zero);
+ tcg_gen_shri_tl(cpu_Nf, rslt, 31);
+ }
+
+ if (!TCGV_EQUAL(dest, rslt)) {
+ tcg_gen_mov_tl(dest, rslt);
+ tcg_temp_free_i32(rslt);
+ }
+
+ return BS_NONE;
+}
+
+/*
+ BIC
+*/
+int arc_gen_BIC(DisasCtxt *ctx, TCGv dest, TCGv src1, TCGv src2)
+{
+ TCGv rslt = dest;
+
+ if (TCGV_EQUAL(dest, src1) || TCGV_EQUAL(dest, src2)) {
+ rslt = tcg_temp_new_i32();
+ }
+
+ tcg_gen_andc_tl(rslt, src1, src2); /* rslt = src1 & ~src2 */
+
+ if (ctx->opt.f) {
+ tcg_gen_setcond_tl(TCG_COND_EQ, cpu_Zf, rslt, ctx->zero);
+ tcg_gen_shri_tl(cpu_Nf, rslt, 31);
+ }
+
+ if (!TCGV_EQUAL(dest, rslt)) {
+ tcg_gen_mov_tl(dest, rslt);
+ tcg_temp_free_i32(rslt);
+ }
+
+ return BS_NONE;
+}
+
+/*
+ XOR
+*/
+int arc_gen_XOR(DisasCtxt *ctx, TCGv dest, TCGv src1, TCGv src2)
+{
+ TCGv rslt = dest;
+
+ if (TCGV_EQUAL(dest, src1) || TCGV_EQUAL(dest, src2)) {
+ rslt = tcg_temp_new_i32();
+ }
+
+ tcg_gen_xor_tl(rslt, src1, src2);
+
+ if (ctx->opt.f) {
+ tcg_gen_setcond_tl(TCG_COND_EQ, cpu_Zf, rslt, ctx->zero);
+ tcg_gen_shri_tl(cpu_Nf, rslt, 31);
+ }
+
+ if (!TCGV_EQUAL(dest, rslt)) {
+ tcg_gen_mov_tl(dest, rslt);
+ tcg_temp_free_i32(rslt);
+ }
+
+ return BS_NONE;
+}
+
diff --git a/target-arc/translate-inst.h b/target-arc/translate-inst.h
index 40ed8a0..40ce696 100644
--- a/target-arc/translate-inst.h
+++ b/target-arc/translate-inst.h
@@ -36,3 +36,9 @@ int arc_gen_SBC(DisasCtxt *c, TCGv dest, TCGv src1, TCGv
src2);
int arc_gen_RSUB(DisasCtxt *c, TCGv dest, TCGv src1, TCGv src2);
int arc_gen_CMP(DisasCtxt *c, TCGv src1, TCGv src2);
+int arc_gen_AND(DisasCtxt *c, TCGv dest, TCGv src1, TCGv src2);
+int arc_gen_OR(DisasCtxt *c, TCGv dest, TCGv src1, TCGv src2);
+int arc_gen_BIC(DisasCtxt *c, TCGv dest, TCGv src1, TCGv src2);
+int arc_gen_XOR(DisasCtxt *c, TCGv dest, TCGv src1, TCGv src2);
+int arc_gen_TST(DisasCtxt *c, TCGv src1, TCGv src2);
+
--
2.4.9 (Apple Git-60)
- [Qemu-devel] [PATCH RFC v1 00/29] ARC cores, Michael Rolnik, 2016/09/08
- [Qemu-devel] [PATCH RFC v1 02/29] target-arc: ADC, ADD, ADD1, ADD2, ADD3, Michael Rolnik, 2016/09/08
- [Qemu-devel] [PATCH RFC v1 04/29] target-arc: AND, OR, XOR, BIC, TST,
Michael Rolnik <=
- [Qemu-devel] [PATCH RFC v1 03/29] target-arc: SUB, SUB1, SUB2, SUB3, SBC, RSUB, CMP, Michael Rolnik, 2016/09/08
- [Qemu-devel] [PATCH RFC v1 09/29] target-arc: NEG, ABS, NOT, Michael Rolnik, 2016/09/08
- [Qemu-devel] [PATCH RFC v1 07/29] target-arc: MAX, MIN, Michael Rolnik, 2016/09/08
- [Qemu-devel] [PATCH RFC v1 01/29] target-arc: initial commit, Michael Rolnik, 2016/09/08
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