From: Aurelien Jarno <aurelien@aurel32.net>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] [6238] Add vspltis{b,h,w} instructions
Date: Thu, 08 Jan 2009 18:54:58 +0000 [thread overview]
Message-ID: <E1LL01y-0004Zd-9R@cvs.savannah.gnu.org> (raw)
Revision: 6238
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6238
Author: aurel32
Date: 2009-01-08 18:54:57 +0000 (Thu, 08 Jan 2009)
Log Message:
-----------
Add vspltis{b,h,w} instructions
Signed-off-by: Nathan Froyd <froydnj@codesourcery.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Modified Paths:
--------------
trunk/target-ppc/helper.h
trunk/target-ppc/op_helper.c
trunk/target-ppc/translate.c
Modified: trunk/target-ppc/helper.h
===================================================================
--- trunk/target-ppc/helper.h 2009-01-08 18:54:48 UTC (rev 6237)
+++ trunk/target-ppc/helper.h 2009-01-08 18:54:57 UTC (rev 6238)
@@ -176,6 +176,9 @@
DEF_HELPER_3(vsl, void, avr, avr, avr)
DEF_HELPER_3(vsr, void, avr, avr, avr)
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)
Modified: trunk/target-ppc/op_helper.c
===================================================================
--- trunk/target-ppc/op_helper.c 2009-01-08 18:54:48 UTC (rev 6237)
+++ trunk/target-ppc/op_helper.c 2009-01-08 18:54:57 UTC (rev 6238)
@@ -2570,6 +2570,20 @@
#undef SPLAT_ELEMENT
#undef _SPLAT_MASKED
+#define VSPLTI(suffix, element, splat_type) \
+ void helper_vspltis##suffix (ppc_avr_t *r, uint32_t splat) \
+ { \
+ splat_type x = (int8_t)(splat << 3) >> 3; \
+ int i; \
+ for (i = 0; i < ARRAY_SIZE(r->element); i++) { \
+ r->element[i] = x; \
+ } \
+ }
+VSPLTI(b, s8, int8_t)
+VSPLTI(h, s16, int16_t)
+VSPLTI(w, s32, int32_t)
+#undef VSPLTI
+
#define VSR(suffix, element) \
void helper_vsr##suffix (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
{ \
Modified: trunk/target-ppc/translate.c
===================================================================
--- trunk/target-ppc/translate.c 2009-01-08 18:54:48 UTC (rev 6237)
+++ trunk/target-ppc/translate.c 2009-01-08 18:54:57 UTC (rev 6238)
@@ -6392,6 +6392,26 @@
GEN_VXRFORM(vcmpgtuh, 3, 9)
GEN_VXRFORM(vcmpgtuw, 3, 10)
+#define GEN_VXFORM_SIMM(name, opc2, opc3) \
+ GEN_HANDLER(name, 0x04, opc2, opc3, 0x00000000, PPC_ALTIVEC) \
+ { \
+ TCGv_ptr rd; \
+ TCGv_i32 simm; \
+ if (unlikely(!ctx->altivec_enabled)) { \
+ gen_exception(ctx, POWERPC_EXCP_VPU); \
+ return; \
+ } \
+ simm = tcg_const_i32(SIMM5(ctx->opcode)); \
+ rd = gen_avr_ptr(rD(ctx->opcode)); \
+ gen_helper_##name (rd, simm); \
+ tcg_temp_free_i32(simm); \
+ tcg_temp_free_ptr(rd); \
+ }
+
+GEN_VXFORM_SIMM(vspltisb, 6, 12);
+GEN_VXFORM_SIMM(vspltish, 6, 13);
+GEN_VXFORM_SIMM(vspltisw, 6, 14);
+
#define GEN_VXFORM_NOA(name, opc2, opc3) \
GEN_HANDLER(name, 0x04, opc2, opc3, 0x001f0000, PPC_ALTIVEC) \
{ \
reply other threads:[~2009-01-08 18:55 UTC|newest]
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