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[Qemu-devel] [PATCH 10/14] Add vrfi{m,n,p,z} instructions
From: |
Nathan Froyd |
Subject: |
[Qemu-devel] [PATCH 10/14] Add vrfi{m,n,p,z} instructions |
Date: |
Thu, 22 Jan 2009 12:44:10 -0800 |
Signed-off-by: Nathan Froyd <address@hidden>
---
target-ppc/helper.h | 4 ++++
target-ppc/op_helper.c | 18 ++++++++++++++++++
target-ppc/translate.c | 4 ++++
3 files changed, 26 insertions(+), 0 deletions(-)
diff --git a/target-ppc/helper.h b/target-ppc/helper.h
index ff4b0db..3c2756e 100644
--- a/target-ppc/helper.h
+++ b/target-ppc/helper.h
@@ -244,6 +244,10 @@ DEF_HELPER_3(vaddfp, void, avr, avr, avr)
DEF_HELPER_3(vsubfp, void, avr, avr, avr)
DEF_HELPER_3(vmaxfp, void, avr, avr, avr)
DEF_HELPER_3(vminfp, void, avr, avr, avr)
+DEF_HELPER_2(vrfim, void, avr, avr)
+DEF_HELPER_2(vrfin, void, avr, avr)
+DEF_HELPER_2(vrfip, void, avr, avr)
+DEF_HELPER_2(vrfiz, void, avr, avr)
DEF_HELPER_4(vmaddfp, void, avr, avr, avr, avr)
DEF_HELPER_4(vnmsubfp, void, avr, avr, avr, avr)
diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c
index 4b62735..cd35868 100644
--- a/target-ppc/op_helper.c
+++ b/target-ppc/op_helper.c
@@ -2658,6 +2658,24 @@ VPK(uwum, u32, u16, I, 0)
#undef VPK
#undef PKBIG
+#define VRFI(suffix, rounding) \
+ void helper_vrfi##suffix (ppc_avr_t *r, ppc_avr_t *b) \
+ { \
+ int i; \
+ float_status s = env->vec_status; \
+ set_float_rounding_mode(rounding, &s); \
+ for (i = 0; i < ARRAY_SIZE(r->f); i++) { \
+ HANDLE_NAN1(r->f[i], b->f[i]) { \
+ r->f[i] = float32_round_to_int (b->f[i], &s); \
+ } \
+ } \
+ }
+VRFI(n, float_round_nearest_even)
+VRFI(m, float_round_down)
+VRFI(p, float_round_up)
+VRFI(z, float_round_to_zero)
+#undef VRFI
+
#define VROTATE(suffix, element) \
void helper_vrl##suffix (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 312cbcb..2c111af 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -6476,6 +6476,10 @@ GEN_VXFORM_NOA(vupklsb, 7, 10);
GEN_VXFORM_NOA(vupklsh, 7, 11);
GEN_VXFORM_NOA(vupkhpx, 7, 13);
GEN_VXFORM_NOA(vupklpx, 7, 15);
+GEN_VXFORM_NOA(vrfim, 5, 8);
+GEN_VXFORM_NOA(vrfin, 5, 9);
+GEN_VXFORM_NOA(vrfip, 5, 10);
+GEN_VXFORM_NOA(vrfiz, 5, 11);
#define GEN_VXFORM_SIMM(name, opc2, opc3) \
GEN_HANDLER(name, 0x04, opc2, opc3, 0x00000000, PPC_ALTIVEC) \
--
1.6.0.5
- [Qemu-devel] [PATCH 00/14] target-ppc: add floating-point AltiVec instructions, Nathan Froyd, 2009/01/22
- [Qemu-devel] [PATCH 05/14] Make mtvscr use a helper, Nathan Froyd, 2009/01/22
- [Qemu-devel] [PATCH 14/14] Add vrsqrtefp instruction, Nathan Froyd, 2009/01/22
- [Qemu-devel] [PATCH 09/14] Add vcmp{eq,ge,gt,b}fp{,.} instructions, Nathan Froyd, 2009/01/22
- [Qemu-devel] [PATCH 13/14] Add vrefp instruction, Nathan Froyd, 2009/01/22
- [Qemu-devel] [PATCH 01/14] Add f field to ppc_avr_t, Nathan Froyd, 2009/01/22
- [Qemu-devel] [PATCH 10/14] Add vrfi{m,n,p,z} instructions,
Nathan Froyd <=
- [Qemu-devel] [PATCH 12/14] Add vct{u,s}xs instructions, Nathan Froyd, 2009/01/22
- [Qemu-devel] [PATCH 02/14] Add various NaN-handling macros, Nathan Froyd, 2009/01/22
- [Qemu-devel] [PATCH 04/14] Add calls to initialize VSCR on appropriate machines, Nathan Froyd, 2009/01/22
- [Qemu-devel] [PATCH 11/14] Add vcf{u,s}x instructions, Nathan Froyd, 2009/01/22
- [Qemu-devel] [PATCH 03/14] Rename spe_status to vec_status, Nathan Froyd, 2009/01/22
- [Qemu-devel] [PATCH 08/14] Add vmaddfp and vnmsubfp instructions, Nathan Froyd, 2009/01/22
- [Qemu-devel] [PATCH 07/14] Add v{add,sub}fp instructions, Nathan Froyd, 2009/01/22
- [Qemu-devel] [PATCH 06/14] Add v{max,min}fp instructions, Nathan Froyd, 2009/01/22