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[Qemu-devel] [PATCH 27/42] target-ppc: add vsplt{b, h, w} instructions.
From: |
Nathan Froyd |
Subject: |
[Qemu-devel] [PATCH 27/42] target-ppc: add vsplt{b, h, w} instructions. |
Date: |
Sun, 14 Dec 2008 18:15:00 -0800 |
Signed-off-by: Nathan Froyd <address@hidden>
---
target-ppc/helper.h | 3 +++
target-ppc/op_helper.c | 22 ++++++++++++++++++++++
target-ppc/translate.c | 4 ++++
3 files changed, 29 insertions(+), 0 deletions(-)
diff --git a/target-ppc/helper.h b/target-ppc/helper.h
index 9fbcc4a..2ca4e26 100644
--- a/target-ppc/helper.h
+++ b/target-ppc/helper.h
@@ -182,6 +182,9 @@ DEF_HELPER_4(vsldoi, void, avr, avr, avr, i32)
DEF_HELPER_2(vspltisb, void, avr, i32)
DEF_HELPER_2(vspltish, void, avr, i32)
DEF_HELPER_2(vspltisw, void, avr, i32)
+DEF_HELPER_3(vspltb, void, avr, avr, i32)
+DEF_HELPER_3(vsplth, void, avr, avr, i32)
+DEF_HELPER_3(vspltw, void, avr, avr, i32)
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 ac99324..44af1cc 100644
--- a/target-ppc/op_helper.c
+++ b/target-ppc/op_helper.c
@@ -2354,6 +2354,28 @@ void helper_vslo (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t
*b)
#endif
}
+/* Experimental testing shows that hardware masks the immediate. */
+#define _SPLAT_MASKED(element) (splat & (N_ELEMS(element) - 1))
+#if defined(WORDS_BIGENDIAN)
+#define SPLAT_ELEMENT(element) _SPLAT_MASKED(element)
+#else
+#define SPLAT_ELEMENT(element) (N_ELEMS(element)-1 - _SPLAT_MASKED(element))
+#endif
+#define VSPLT(suffix, element) \
+ void helper_vsplt##suffix (ppc_avr_t *r, ppc_avr_t *b, uint32_t splat) \
+ { \
+ uint32_t s = b->element[SPLAT_ELEMENT(element)]; \
+ VECTOR_FOR (element) { \
+ r->element[i] = s; \
+ } \
+ }
+VSPLT(b, u8)
+VSPLT(h, u16)
+VSPLT(w, u32)
+#undef VSPLT
+#undef SPLAT_ELEMENT
+#undef _SPLAT_MASKED
+
#define VSPLTI(suffix, element, splat_type) \
void helper_vspltis##suffix (ppc_avr_t *r, uint32_t splat) \
{ \
diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index a21b2f5..4331548 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -6337,6 +6337,10 @@ GEN_VXFORM_SIMM(vspltisw, 908);
tcg_temp_free(rd); \
}
+GEN_VXFORM_UIMM(vspltb, 524);
+GEN_VXFORM_UIMM(vsplth, 588);
+GEN_VXFORM_UIMM(vspltw, 652);
+
#define GEN_VXRFORM1(opname, name, str, xo, rc) \
GEN_HANDLER2(name, str, 0x4, (xo >> 1) & 0x1f, ((xo >> 6) & 0x1f) | (rc <<
4), 0x00000000, PPC_ALTIVEC) \
{ \
--
1.6.0.5
- [Qemu-devel] [PATCH 04/42] target-ppc: add GEN_VXFORM macro for subsequent instructions., (continued)
- [Qemu-devel] [PATCH 04/42] target-ppc: add GEN_VXFORM macro for subsequent instructions., Nathan Froyd, 2008/12/14
- [Qemu-devel] [PATCH 29/42] target-ppc: add vupk{h, l}px instructions., Nathan Froyd, 2008/12/14
- [Qemu-devel] [PATCH 15/42] target-ppc: add vsl{b, h, w} instructions., Nathan Froyd, 2008/12/14
- [Qemu-devel] [PATCH 03/42] target-ppc: add gen_avr_ptr function., Nathan Froyd, 2008/12/14
- [Qemu-devel] [PATCH 09/42] target-ppc: add GEN_VXRFORM{, 1} macros for subsequent instructions., Nathan Froyd, 2008/12/14
- [Qemu-devel] [PATCH 22/42] target-ppc: add vs{l,r} instructions., Nathan Froyd, 2008/12/14
- [Qemu-devel] [PATCH 27/42] target-ppc: add vsplt{b, h, w} instructions.,
Nathan Froyd <=
- [Qemu-devel] [PATCH 32/42] target-ppc: add vmsum{u, m}bm instructions., Nathan Froyd, 2008/12/14
- [Qemu-devel] [PATCH 37/42] target-ppc: add vmh{, r}addshs instructions., Nathan Froyd, 2008/12/14
- [Qemu-devel] [PATCH 33/42] target-ppc: add vsel and vperm instructions., Nathan Froyd, 2008/12/14
- [Qemu-devel] [PATCH 05/42] target-ppc: add v{add, sub}u{b, h, w}m instructions., Nathan Froyd, 2008/12/14
- [Qemu-devel] [PATCH 11/42] target-ppc: add vscr access macros., Nathan Froyd, 2008/12/14
- [Qemu-devel] [PATCH 16/42] target-ppc: add vs{l,r}o instructions., Nathan Froyd, 2008/12/14
- [Qemu-devel] [PATCH 20/42] target-ppc: add v{add, sub}{s, u}{b, h, w}s instructions., Nathan Froyd, 2008/12/14
- [Qemu-devel] [PATCH 38/42] target-ppc: add vmsumuh{m, s} instructions., Nathan Froyd, 2008/12/14
- [Qemu-devel] [PATCH 41/42] target-ppc: add {l, st}ve{b, h, w}x instructions., Nathan Froyd, 2008/12/14
- [Qemu-devel] [PATCH 24/42] target-ppc: add GEN_VXFORM_SIMM macro for subsequent instructions., Nathan Froyd, 2008/12/14