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[Qemu-devel] [PATCH 08/40] Add vcmpequ{b, h, w} and vcmpgt{s, u}{b, h, w
From: |
Nathan Froyd |
Subject: |
[Qemu-devel] [PATCH 08/40] Add vcmpequ{b, h, w} and vcmpgt{s, u}{b, h, w} instructions. |
Date: |
Tue, 30 Dec 2008 19:09:50 -0800 |
Signed-off-by: Nathan Froyd <address@hidden>
---
target-ppc/helper.h | 9 +++++++++
target-ppc/op_helper.c | 34 ++++++++++++++++++++++++++++++++++
target-ppc/translate.c | 10 ++++++++++
3 files changed, 53 insertions(+), 0 deletions(-)
diff --git a/target-ppc/helper.h b/target-ppc/helper.h
index 196106e..efe7a1a 100644
--- a/target-ppc/helper.h
+++ b/target-ppc/helper.h
@@ -123,6 +123,15 @@ DEF_HELPER_3(vminuw, void, avr, avr, avr)
DEF_HELPER_3(vmaxub, void, avr, avr, avr)
DEF_HELPER_3(vmaxuh, void, avr, avr, avr)
DEF_HELPER_3(vmaxuw, void, avr, avr, avr)
+DEF_HELPER_3(vcmpequb, i32, avr, avr, avr)
+DEF_HELPER_3(vcmpequh, i32, avr, avr, avr)
+DEF_HELPER_3(vcmpequw, i32, avr, avr, avr)
+DEF_HELPER_3(vcmpgtub, i32, avr, avr, avr)
+DEF_HELPER_3(vcmpgtuh, i32, avr, avr, avr)
+DEF_HELPER_3(vcmpgtuw, i32, avr, avr, avr)
+DEF_HELPER_3(vcmpgtsb, i32, avr, avr, avr)
+DEF_HELPER_3(vcmpgtsh, i32, avr, avr, avr)
+DEF_HELPER_3(vcmpgtsw, i32, avr, avr, avr)
DEF_HELPER_1(efscfsi, i32, i32)
DEF_HELPER_1(efscfui, i32, i32)
diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c
index 367c366..5daa62f 100644
--- a/target-ppc/op_helper.c
+++ b/target-ppc/op_helper.c
@@ -2007,6 +2007,40 @@ VAVG(w, s32, int64_t, u32, uint64_t)
#undef VAVG_DO
#undef VAVG
+#define VCMP(suffix, compare, element) \
+ uint32_t helper_vcmp##suffix (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
+ { \
+ uint32_t ones = (sizeof (a->element[0]) == 4 \
+ ? 0xffffffff \
+ : (sizeof (a->element[0]) == 2 \
+ ? 0xffff \
+ : 0xff)); \
+ uint32_t all = ones; \
+ uint32_t none = 0; \
+ int i; \
+ for (i = 0; i < ARRAY_SIZE(r->element); i++) { \
+ uint32_t result = (a->element[i] compare b->element[i] ? ones :
0x0); \
+ switch (sizeof (a->element[0])) { \
+ case 4: r->u32[i] = result; break; \
+ case 2: r->u16[i] = result; break; \
+ case 1: r->u8[i] = result; break; \
+ } \
+ all &= result; \
+ none |= result; \
+ } \
+ return ((all != 0) << 3) | ((none == 0) << 1); \
+ }
+VCMP(equb, ==, u8)
+VCMP(equh, ==, u16)
+VCMP(equw, ==, u32)
+VCMP(gtub, >, u8)
+VCMP(gtuh, >, u16)
+VCMP(gtuw, >, u32)
+VCMP(gtsb, >, s8)
+VCMP(gtsh, >, s16)
+VCMP(gtsw, >, s32)
+#undef VCMP
+
#define VMINMAX_DO(name, compare, element) \
void helper_v##name (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
{ \
diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index 967d9da..7ebdb21 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -6233,6 +6233,16 @@ GEN_VXFORM(vavgsw, 1, 22);
GEN_VXRFORM1(name, name, #name, opc2, opc3) \
GEN_VXRFORM1(name, name##_, #name ".", opc2, (opc3 | (0x1 << 4)))
+GEN_VXRFORM(vcmpequb, 3, 0)
+GEN_VXRFORM(vcmpequh, 3, 1)
+GEN_VXRFORM(vcmpequw, 3, 2)
+GEN_VXRFORM(vcmpgtsb, 3, 12)
+GEN_VXRFORM(vcmpgtsh, 3, 13)
+GEN_VXRFORM(vcmpgtsw, 3, 14)
+GEN_VXRFORM(vcmpgtub, 3, 8)
+GEN_VXRFORM(vcmpgtuh, 3, 9)
+GEN_VXRFORM(vcmpgtuw, 3, 10)
+
/*** SPE extension ***/
/* Register moves */
--
1.6.0.5
- [Qemu-devel] [PATCH 23/40] Add vspltis{b,h,w} instructions., (continued)
- [Qemu-devel] [PATCH 23/40] Add vspltis{b,h,w} instructions., Nathan Froyd, 2008/12/30
- [Qemu-devel] [PATCH 13/40] Add vsl{b,h,w} instructions., Nathan Froyd, 2008/12/30
- [Qemu-devel] [PATCH 05/40] Add vavg{s,u}{b,h,w} instructions., Nathan Froyd, 2008/12/30
- [Qemu-devel] [PATCH 24/40] Add GEN_VXFORM_UIMM macro for subsequent instructions., Nathan Froyd, 2008/12/30
- [Qemu-devel] [PATCH 21/40] Add vsldoi instruction., Nathan Froyd, 2008/12/30
- [Qemu-devel] [PATCH 30/40] Add vmsum{u,m}bm instructions., Nathan Froyd, 2008/12/30
- [Qemu-devel] [PATCH 26/40] Add GEN_VXFORM_NOA macro for subsequent instructions., Nathan Froyd, 2008/12/31
- [Qemu-devel] [PATCH 06/40] Add v{min, max}{s, u}{b, h, w} instructions., Nathan Froyd, 2008/12/31
- [Qemu-devel] [PATCH 33/40] Add vpks{h, w}{s, u}s, vpku{h, w}us, and vpku{h, w}um instructions., Nathan Froyd, 2008/12/31
- [Qemu-devel] [PATCH 07/40] Add GEN_VXRFORM{, 1} macros for subsequent instructions., Nathan Froyd, 2008/12/31
- [Qemu-devel] [PATCH 08/40] Add vcmpequ{b, h, w} and vcmpgt{s, u}{b, h, w} instructions.,
Nathan Froyd <=
- [Qemu-devel] [PATCH 19/40] Add vrl{b,h,w} instructions., Nathan Froyd, 2008/12/31
- [Qemu-devel] [PATCH 32/40] Add saturating arithmetic conversion functions for subsequent instructions., Nathan Froyd, 2008/12/31
- [Qemu-devel] [PATCH 14/40] Add vs{l,r}o instructions., Nathan Froyd, 2008/12/31
- [Qemu-devel] [PATCH 34/40] Add vpkpx instruction., Nathan Froyd, 2008/12/31
- [Qemu-devel] [PATCH 17/40] Add m{f,t}vscr instructions., Nathan Froyd, 2008/12/31
- [Qemu-devel] [PATCH 35/40] Add vmh{,r}addshs instructions., Nathan Froyd, 2008/12/31
- [Qemu-devel] [PATCH 38/40] Add vmladduhm instruction., Nathan Froyd, 2008/12/31