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[Qemu-devel] [RFC PATCH v1 17/22] target/i386: reimplement (V)PSUBUS(B,
From: |
Jan Bobek |
Subject: |
[Qemu-devel] [RFC PATCH v1 17/22] target/i386: reimplement (V)PSUBUS(B, W) |
Date: |
Wed, 31 Jul 2019 13:56:57 -0400 |
Use the gvec infrastructure to achieve the desired functionality.
Signed-off-by: Jan Bobek <address@hidden>
---
target/i386/ops_sse.h | 6 ------
target/i386/ops_sse_header.h | 4 ----
target/i386/translate.c | 19 +++++++++++++++++--
3 files changed, 17 insertions(+), 12 deletions(-)
diff --git a/target/i386/ops_sse.h b/target/i386/ops_sse.h
index f948adbc68..4f00f3273d 100644
--- a/target/i386/ops_sse.h
+++ b/target/i386/ops_sse.h
@@ -337,8 +337,6 @@ static inline int satsw(int x)
}
}
-#define FSUBUB(a, b) satub((a) - (b))
-#define FSUBUW(a, b) satuw((a) - (b))
#define FMINUB(a, b) ((a) < (b)) ? (a) : (b)
#define FMINSW(a, b) ((int16_t)(a) < (int16_t)(b)) ? (a) : (b)
#define FMAXUB(a, b) ((a) > (b)) ? (a) : (b)
@@ -357,10 +355,6 @@ static inline int satsw(int x)
#define FAVG(a, b) (((a) + (b) + 1) >> 1)
#endif
-SSE_HELPER_B(helper_psubusb, FSUBUB)
-
-SSE_HELPER_W(helper_psubusw, FSUBUW)
-
SSE_HELPER_B(helper_pminub, FMINUB)
SSE_HELPER_B(helper_pmaxub, FMAXUB)
diff --git a/target/i386/ops_sse_header.h b/target/i386/ops_sse_header.h
index 20fb8aeccc..829c132ae4 100644
--- a/target/i386/ops_sse_header.h
+++ b/target/i386/ops_sse_header.h
@@ -60,10 +60,6 @@ DEF_HELPER_3(glue(pslldq, SUFFIX), void, env, Reg, Reg)
#define SSE_HELPER_Q(name, F)\
DEF_HELPER_3(glue(name, SUFFIX), void, env, Reg, Reg)
-SSE_HELPER_B(psubusb, FSUBUB)
-
-SSE_HELPER_W(psubusw, FSUBUW)
-
SSE_HELPER_B(pminub, FMINUB)
SSE_HELPER_B(pmaxub, FMAXUB)
diff --git a/target/i386/translate.c b/target/i386/translate.c
index 894471861d..5b19e9ac4b 100644
--- a/target/i386/translate.c
+++ b/target/i386/translate.c
@@ -2822,8 +2822,8 @@ static const SSEFunc_0_epp sse_op_table1[256][4] = {
[0xd5] = MMX_OP2(pmullw),
[0xd6] = { NULL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL },
[0xd7] = { SSE_SPECIAL, SSE_SPECIAL }, /* pmovmskb */
- [0xd8] = MMX_OP2(psubusb),
- [0xd9] = MMX_OP2(psubusw),
+ [0xd8] = { SSE_TOMBSTONE, SSE_TOMBSTONE },
+ [0xd9] = { SSE_TOMBSTONE, SSE_TOMBSTONE },
[0xda] = MMX_OP2(pminub),
[0xdb] = { SSE_TOMBSTONE, SSE_TOMBSTONE },
[0xdc] = { SSE_TOMBSTONE, SSE_TOMBSTONE },
@@ -3191,6 +3191,11 @@ static inline void gen_gvec_ld_modrm_3(CPUX86State *env,
DisasContext *s,
#define gen_vpsubs_xmm(env, s, modrm, vece) gen_gvec_ld_modrm_vxmm((env), (s),
(modrm), (vece), tcg_gen_gvec_sssub, 0123)
#define gen_vpsubs_ymm(env, s, modrm, vece) gen_gvec_ld_modrm_vymm((env), (s),
(modrm), (vece), tcg_gen_gvec_sssub, 0123)
+#define gen_psubus_mm(env, s, modrm, vece) gen_gvec_ld_modrm_mm ((env),
(s), (modrm), (vece), tcg_gen_gvec_ussub, 0112)
+#define gen_psubus_xmm(env, s, modrm, vece) gen_gvec_ld_modrm_xmm ((env),
(s), (modrm), (vece), tcg_gen_gvec_ussub, 0112)
+#define gen_vpsubus_xmm(env, s, modrm, vece) gen_gvec_ld_modrm_vxmm((env),
(s), (modrm), (vece), tcg_gen_gvec_ussub, 0123)
+#define gen_vpsubus_ymm(env, s, modrm, vece) gen_gvec_ld_modrm_vymm((env),
(s), (modrm), (vece), tcg_gen_gvec_ussub, 0123)
+
#define gen_pand_mm(env, s, modrm) gen_gvec_ld_modrm_mm ((env), (s),
(modrm), MO_64, tcg_gen_gvec_and, 0112)
#define gen_pand_xmm(env, s, modrm) gen_gvec_ld_modrm_xmm ((env), (s),
(modrm), MO_64, tcg_gen_gvec_and, 0112)
#define gen_vpand_xmm(env, s, modrm) gen_gvec_ld_modrm_vxmm((env), (s),
(modrm), MO_64, tcg_gen_gvec_and, 0123)
@@ -3386,6 +3391,16 @@ static void gen_sse(CPUX86State *env, DisasContext *s,
int b)
case 0xfb | M_0F | P_66 | VEX_128: gen_vpsub_xmm(env, s, modrm, MO_64);
return;
case 0xfb | M_0F | P_66 | VEX_256: gen_vpsub_ymm(env, s, modrm, MO_64);
return;
+ case 0xd8 | M_0F: gen_psubus_mm(env, s, modrm, MO_8);
return;
+ case 0xd8 | M_0F | P_66: gen_psubus_xmm(env, s, modrm, MO_8);
return;
+ case 0xd8 | M_0F | P_66 | VEX_128: gen_vpsubus_xmm(env, s, modrm, MO_8);
return;
+ case 0xd8 | M_0F | P_66 | VEX_256: gen_vpsubus_ymm(env, s, modrm, MO_8);
return;
+
+ case 0xd9 | M_0F: gen_psubus_mm(env, s, modrm, MO_16);
return;
+ case 0xd9 | M_0F | P_66: gen_psubus_xmm(env, s, modrm, MO_16);
return;
+ case 0xd9 | M_0F | P_66 | VEX_128: gen_vpsubus_xmm(env, s, modrm, MO_16);
return;
+ case 0xd9 | M_0F | P_66 | VEX_256: gen_vpsubus_ymm(env, s, modrm, MO_16);
return;
+
case 0xe8 | M_0F: gen_psubs_mm(env, s, modrm, MO_8);
return;
case 0xe8 | M_0F | P_66: gen_psubs_xmm(env, s, modrm, MO_8);
return;
case 0xe8 | M_0F | P_66 | VEX_128: gen_vpsubs_xmm(env, s, modrm, MO_8);
return;
--
2.20.1
- Re: [Qemu-devel] [RFC PATCH v1 08/22] target/i386: reimplement (V)PAND, (V)ANDPS, (V)ANDPD, (continued)
- [Qemu-devel] [RFC PATCH v1 10/22] target/i386: reimplement (V)PXOR, (V)XORPS, (V)XORPD, Jan Bobek, 2019/07/31
- [Qemu-devel] [RFC PATCH v1 03/22] target/i386: Use prefix, aflag and dflag from DisasContext, Jan Bobek, 2019/07/31
- [Qemu-devel] [RFC PATCH v1 11/22] target/i386: reimplement (V)PANDN, (V)ANDNPS, (V)ANDNPD, Jan Bobek, 2019/07/31
- [Qemu-devel] [RFC PATCH v1 12/22] target/i386: reimplement (V)PADD(B, W, D, Q), Jan Bobek, 2019/07/31
- [Qemu-devel] [RFC PATCH v1 13/22] target/i386: reimplement (V)PSUB(B, W, D, Q), Jan Bobek, 2019/07/31
- [Qemu-devel] [RFC PATCH v1 14/22] target/i386: reimplement (V)PADDS(B, W), Jan Bobek, 2019/07/31
- [Qemu-devel] [RFC PATCH v1 15/22] target/i386: reimplement (V)PADDUS(B, W), Jan Bobek, 2019/07/31
- [Qemu-devel] [RFC PATCH v1 17/22] target/i386: reimplement (V)PSUBUS(B, W),
Jan Bobek <=
- [Qemu-devel] [RFC PATCH v1 18/22] target/i386: reimplement (V)PMINSW, Jan Bobek, 2019/07/31
- [Qemu-devel] [RFC PATCH v1 19/22] target/i386: reimplement (V)PMINUB, Jan Bobek, 2019/07/31
- [Qemu-devel] [RFC PATCH v1 20/22] target/i386: reimplement (V)PMAXSW, Jan Bobek, 2019/07/31
- [Qemu-devel] [RFC PATCH v1 21/22] target/i386: reimplement (V)PMAXUB, Jan Bobek, 2019/07/31
- [Qemu-devel] [RFC PATCH v1 16/22] target/i386: reimplement (V)PSUBS(B, W), Jan Bobek, 2019/07/31
- [Qemu-devel] [RFC PATCH v1 22/22] target/i386: reimplement (V)P(EQ, CMP)(B, W, D), Jan Bobek, 2019/07/31
- Re: [Qemu-devel] [RFC PATCH v1 22/22] target/i386: reimplement (V)P(EQ, CMP)(B, W, D), Richard Henderson, 2019/07/31
- Re: [Qemu-devel] [RFC PATCH v1 22/22] target/i386: reimplement (V)P(EQ, CMP)(B, W, D), Aleksandar Markovic, 2019/07/31
- Re: [Qemu-devel] [RFC PATCH v1 22/22] target/i386: reimplement (V)P(EQ, CMP)(B, W, D), Richard Henderson, 2019/07/31
- Re: [Qemu-devel] [RFC PATCH v1 00/22] reimplement (some) x86 vector instructions using tcg-gvec, no-reply, 2019/07/31