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authorTom Musta <tommusta@gmail.com>2014-02-12 15:23:16 -0600
committerAlexander Graf <agraf@suse.de>2014-03-05 03:06:59 +0100
commite8f7b27b9942d02ece7df34ae2b2a09cb9da7196 (patch)
tree00592ada82762c98700d340681c924150481a25d /target-ppc/translate.c
parentb8476fc7c6e205f0dc9fff3cfa199eee8af0fa27 (diff)
target-ppc: Altivec 2.07: Binary Coded Decimal Instructions
This patch add the Binary Coded Decimal instructions bcdadd. and bcdsub. Signed-off-by: Tom Musta <tommusta@gmail.com> Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'target-ppc/translate.c')
-rw-r--r--target-ppc/translate.c45
1 files changed, 41 insertions, 4 deletions
diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index 706bd5da92..2b46cd676c 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -7377,6 +7377,43 @@ GEN_VXFORM(vpmsumh, 4, 17)
GEN_VXFORM(vpmsumw, 4, 18)
GEN_VXFORM(vpmsumd, 4, 19)
+#define GEN_BCD(op) \
+static void gen_##op(DisasContext *ctx) \
+{ \
+ TCGv_ptr ra, rb, rd; \
+ TCGv_i32 ps; \
+ \
+ if (unlikely(!ctx->altivec_enabled)) { \
+ gen_exception(ctx, POWERPC_EXCP_VPU); \
+ return; \
+ } \
+ \
+ ra = gen_avr_ptr(rA(ctx->opcode)); \
+ rb = gen_avr_ptr(rB(ctx->opcode)); \
+ rd = gen_avr_ptr(rD(ctx->opcode)); \
+ \
+ ps = tcg_const_i32((ctx->opcode & 0x200) != 0); \
+ \
+ gen_helper_##op(cpu_crf[6], rd, ra, rb, ps); \
+ \
+ tcg_temp_free_ptr(ra); \
+ tcg_temp_free_ptr(rb); \
+ tcg_temp_free_ptr(rd); \
+ tcg_temp_free_i32(ps); \
+}
+
+GEN_BCD(bcdadd)
+GEN_BCD(bcdsub)
+
+GEN_VXFORM_DUAL(vsububm, PPC_ALTIVEC, PPC_NONE, \
+ bcdadd, PPC_NONE, PPC2_ALTIVEC_207)
+GEN_VXFORM_DUAL(vsububs, PPC_ALTIVEC, PPC_NONE, \
+ bcdadd, PPC_NONE, PPC2_ALTIVEC_207)
+GEN_VXFORM_DUAL(vsubuhm, PPC_ALTIVEC, PPC_NONE, \
+ bcdsub, PPC_NONE, PPC2_ALTIVEC_207)
+GEN_VXFORM_DUAL(vsubuhs, PPC_ALTIVEC, PPC_NONE, \
+ bcdsub, PPC_NONE, PPC2_ALTIVEC_207)
+
/*** VSX extension ***/
static inline TCGv_i64 cpu_vsrh(int n)
@@ -10442,8 +10479,8 @@ GEN_VXFORM(vaddubm, 0, 0),
GEN_VXFORM(vadduhm, 0, 1),
GEN_VXFORM(vadduwm, 0, 2),
GEN_VXFORM_207(vaddudm, 0, 3),
-GEN_VXFORM(vsububm, 0, 16),
-GEN_VXFORM(vsubuhm, 0, 17),
+GEN_VXFORM_DUAL(vsububm, bcdadd, 0, 16, PPC_ALTIVEC, PPC_NONE),
+GEN_VXFORM_DUAL(vsubuhm, bcdsub, 0, 17, PPC_ALTIVEC, PPC_NONE),
GEN_VXFORM(vsubuwm, 0, 18),
GEN_VXFORM_207(vsubudm, 0, 19),
GEN_VXFORM(vmaxub, 1, 0),
@@ -10510,8 +10547,8 @@ GEN_VXFORM(vadduws, 0, 10),
GEN_VXFORM(vaddsbs, 0, 12),
GEN_VXFORM(vaddshs, 0, 13),
GEN_VXFORM(vaddsws, 0, 14),
-GEN_VXFORM(vsububs, 0, 24),
-GEN_VXFORM(vsubuhs, 0, 25),
+GEN_VXFORM_DUAL(vsububs, bcdadd, 0, 24, PPC_ALTIVEC, PPC_NONE),
+GEN_VXFORM_DUAL(vsubuhs, bcdsub, 0, 25, PPC_ALTIVEC, PPC_NONE),
GEN_VXFORM(vsubuws, 0, 26),
GEN_VXFORM(vsubsbs, 0, 28),
GEN_VXFORM(vsubshs, 0, 29),