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[Qemu-ppc] [PULL 47/64] target-ppc: add vabsdu[b, h, w] instructions
From: |
David Gibson |
Subject: |
[Qemu-ppc] [PULL 47/64] target-ppc: add vabsdu[b, h, w] instructions |
Date: |
Wed, 7 Sep 2016 20:29:26 +1000 |
From: Sandipan Das <address@hidden>
Adds following instructions:
vabsdub: Vector Absolute Difference Unsigned Byte
vabsduh: Vector Absolute Difference Unsigned Halfword
vabsduw: Vector Absolute Difference Unsigned Word
Signed-off-by: Sandipan Das <address@hidden>
[ use ISA300 define. Drop etype ]
Signed-off-by: Nikunj A Dadhania <address@hidden>
Reviewed-by: Richard Henderson <address@hidden>
Signed-off-by: David Gibson <address@hidden>
---
target-ppc/helper.h | 3 +++
target-ppc/int_helper.c | 24 ++++++++++++++++++++++++
target-ppc/translate/vmx-impl.c | 9 +++++++++
target-ppc/translate/vmx-ops.c | 6 +++---
4 files changed, 39 insertions(+), 3 deletions(-)
diff --git a/target-ppc/helper.h b/target-ppc/helper.h
index 68fd19e..ff6287e 100644
--- a/target-ppc/helper.h
+++ b/target-ppc/helper.h
@@ -118,6 +118,9 @@ DEF_HELPER_3(vsubudm, void, avr, avr, avr)
DEF_HELPER_3(vavgub, void, avr, avr, avr)
DEF_HELPER_3(vavguh, void, avr, avr, avr)
DEF_HELPER_3(vavguw, void, avr, avr, avr)
+DEF_HELPER_3(vabsdub, void, avr, avr, avr)
+DEF_HELPER_3(vabsduh, void, avr, avr, avr)
+DEF_HELPER_3(vabsduw, void, avr, avr, avr)
DEF_HELPER_3(vavgsb, void, avr, avr, avr)
DEF_HELPER_3(vavgsh, void, avr, avr, avr)
DEF_HELPER_3(vavgsw, void, avr, avr, avr)
diff --git a/target-ppc/int_helper.c b/target-ppc/int_helper.c
index 15947ad..ef487d0 100644
--- a/target-ppc/int_helper.c
+++ b/target-ppc/int_helper.c
@@ -629,6 +629,30 @@ VAVG(w, s32, int64_t, u32, uint64_t)
#undef VAVG_DO
#undef VAVG
+#define VABSDU_DO(name, element) \
+void helper_v##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
+{ \
+ int i; \
+ \
+ for (i = 0; i < ARRAY_SIZE(r->element); i++) { \
+ r->element[i] = (a->element[i] > b->element[i]) ? \
+ (a->element[i] - b->element[i]) : \
+ (b->element[i] - a->element[i]); \
+ } \
+}
+
+/* VABSDU - Vector absolute difference unsigned
+ * name - instruction mnemonic suffix (b: byte, h: halfword, w: word)
+ * element - element type to access from vector
+ */
+#define VABSDU(type, element) \
+ VABSDU_DO(absdu##type, element)
+VABSDU(b, u8)
+VABSDU(h, u16)
+VABSDU(w, u32)
+#undef VABSDU_DO
+#undef VABSDU
+
#define VCF(suffix, cvt, element) \
void helper_vcf##suffix(CPUPPCState *env, ppc_avr_t *r, \
ppc_avr_t *b, uint32_t uim) \
diff --git a/target-ppc/translate/vmx-impl.c b/target-ppc/translate/vmx-impl.c
index 110e19c..ad0345f 100644
--- a/target-ppc/translate/vmx-impl.c
+++ b/target-ppc/translate/vmx-impl.c
@@ -301,8 +301,17 @@ GEN_VXFORM(vminsh, 1, 13);
GEN_VXFORM(vminsw, 1, 14);
GEN_VXFORM(vminsd, 1, 15);
GEN_VXFORM(vavgub, 1, 16);
+GEN_VXFORM(vabsdub, 1, 16);
+GEN_VXFORM_DUAL(vavgub, PPC_ALTIVEC, PPC_NONE, \
+ vabsdub, PPC_NONE, PPC2_ISA300)
GEN_VXFORM(vavguh, 1, 17);
+GEN_VXFORM(vabsduh, 1, 17);
+GEN_VXFORM_DUAL(vavguh, PPC_ALTIVEC, PPC_NONE, \
+ vabsduh, PPC_NONE, PPC2_ISA300)
GEN_VXFORM(vavguw, 1, 18);
+GEN_VXFORM(vabsduw, 1, 18);
+GEN_VXFORM_DUAL(vavguw, PPC_ALTIVEC, PPC_NONE, \
+ vabsduw, PPC_NONE, PPC2_ISA300)
GEN_VXFORM(vavgsb, 1, 20);
GEN_VXFORM(vavgsh, 1, 21);
GEN_VXFORM(vavgsw, 1, 22);
diff --git a/target-ppc/translate/vmx-ops.c b/target-ppc/translate/vmx-ops.c
index 185dc71..59016af 100644
--- a/target-ppc/translate/vmx-ops.c
+++ b/target-ppc/translate/vmx-ops.c
@@ -69,9 +69,9 @@ GEN_VXFORM(vminsb, 1, 12),
GEN_VXFORM(vminsh, 1, 13),
GEN_VXFORM(vminsw, 1, 14),
GEN_VXFORM_207(vminsd, 1, 15),
-GEN_VXFORM(vavgub, 1, 16),
-GEN_VXFORM(vavguh, 1, 17),
-GEN_VXFORM(vavguw, 1, 18),
+GEN_VXFORM_DUAL(vavgub, vabsdub, 1, 16, PPC_ALTIVEC, PPC_NONE),
+GEN_VXFORM_DUAL(vavguh, vabsduh, 1, 17, PPC_ALTIVEC, PPC_NONE),
+GEN_VXFORM_DUAL(vavguw, vabsduw, 1, 18, PPC_ALTIVEC, PPC_NONE),
GEN_VXFORM(vavgsb, 1, 20),
GEN_VXFORM(vavgsh, 1, 21),
GEN_VXFORM(vavgsw, 1, 22),
--
2.7.4
- [Qemu-ppc] [PULL 49/64] target-ppc: add vslv instruction, (continued)
- [Qemu-ppc] [PULL 49/64] target-ppc: add vslv instruction, David Gibson, 2016/09/07
- [Qemu-ppc] [PULL 24/64] ppc: Make float_check_status() pass the return address, David Gibson, 2016/09/07
- [Qemu-ppc] [PULL 28/64] ppc: Don't update NIP in lmw/stmw/icbi, David Gibson, 2016/09/07
- [Qemu-ppc] [PULL 59/64] ppc: Improve flags for helpers loading/writing the time facilities, David Gibson, 2016/09/07
- [Qemu-ppc] [PULL 22/64] ppc: Rename fload_invalid_op_excp to float_invalid_op_excp, David Gibson, 2016/09/07
- [Qemu-ppc] [PULL 63/64] tests: Resort check-qtest entries in Makefile.include, David Gibson, 2016/09/07
- [Qemu-ppc] [PULL 54/64] hw/ppc: add a ppc_create_page_sizes_prop() helper routine, David Gibson, 2016/09/07
- [Qemu-ppc] [PULL 47/64] target-ppc: add vabsdu[b, h, w] instructions,
David Gibson <=
- [Qemu-ppc] [PULL 40/64] ppc: Fix CFAR updates, David Gibson, 2016/09/07
- [Qemu-ppc] [PULL 52/64] ppc: Rename #include'd .c files to .inc.c, David Gibson, 2016/09/07
- [Qemu-ppc] [PULL 20/64] ppc: Move VMX ops out of translate.c, David Gibson, 2016/09/07
- [Qemu-ppc] [PULL 18/64] ppc: Move embedded spe ops out of translate.c, David Gibson, 2016/09/07
- [Qemu-ppc] [PULL 48/64] target-ppc: add vcmpnez[b, h, w][.] instructions, David Gibson, 2016/09/07
- [Qemu-ppc] [PULL 19/64] ppc: Move DFP ops out of translate.c, David Gibson, 2016/09/07
- [Qemu-ppc] [PULL 38/64] ppc: Handle unconditional (always/never) traps at translation time, David Gibson, 2016/09/07
- [Qemu-ppc] [PULL 60/64] ppc: Improve the exception helpers flags, David Gibson, 2016/09/07
- [Qemu-ppc] [PULL 21/64] ppc: Move VSX ops out of translate.c, David Gibson, 2016/09/07
- [Qemu-ppc] [PULL 17/64] ppc: Move classic fp ops out of translate.c, David Gibson, 2016/09/07