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| author | aurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162> | 2009-02-09 16:49:20 +0000 |
|---|---|---|
| committer | aurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162> | 2009-02-09 16:49:20 +0000 |
| commit | 875b31db7fb33b8155727d2b1a5232c0d7a0a655 (patch) | |
| tree | 25717ef347e68de0ec689e3cb54daf97af167ac6 | |
| parent | 819ca12127ee43c722f9946c8493a0aa2a1de6a0 (diff) | |
| download | qemu-875b31db7fb33b8155727d2b1a5232c0d7a0a655.zip qemu-875b31db7fb33b8155727d2b1a5232c0d7a0a655.tar.gz qemu-875b31db7fb33b8155727d2b1a5232c0d7a0a655.tar.bz2 | |
target-ppc: Add vct{u,s}xs instructions
Signed-off-by: Nathan Froyd <froydnj@codesourcery.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6572 c046a42c-6fe2-441c-8c8c-71466251a162
| -rw-r--r-- | target-ppc/helper.h | 2 | ||||
| -rw-r--r-- | target-ppc/op_helper.c | 27 | ||||
| -rw-r--r-- | target-ppc/translate.c | 2 |
3 files changed, 31 insertions, 0 deletions
diff --git a/target-ppc/helper.h b/target-ppc/helper.h index 089955b..3ee04b2 100644 --- a/target-ppc/helper.h +++ b/target-ppc/helper.h @@ -253,6 +253,8 @@ DEF_HELPER_2(vrfip, void, avr, avr) DEF_HELPER_2(vrfiz, void, avr, avr) DEF_HELPER_3(vcfux, void, avr, avr, i32) DEF_HELPER_3(vcfsx, void, avr, avr, i32) +DEF_HELPER_3(vctuxs, void, avr, avr, i32) +DEF_HELPER_3(vctsxs, 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 d40caf0..e4c446d 100644 --- a/target-ppc/op_helper.c +++ b/target-ppc/op_helper.c @@ -2288,6 +2288,33 @@ void helper_vcmpbfp_dot (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) vcmpbfp_internal(r, a, b, 1); } +#define VCT(suffix, satcvt, element) \ + void helper_vct##suffix (ppc_avr_t *r, ppc_avr_t *b, uint32_t uim) \ + { \ + int i; \ + int sat = 0; \ + float_status s = env->vec_status; \ + set_float_rounding_mode(float_round_to_zero, &s); \ + for (i = 0; i < ARRAY_SIZE(r->f); i++) { \ + if (float32_is_nan(b->f[i]) || \ + float32_is_signaling_nan(b->f[i])) { \ + r->element[i] = 0; \ + } else { \ + float64 t = float32_to_float64(b->f[i], &s); \ + int64_t j; \ + t = float64_scalbn(t, uim, &s); \ + j = float64_to_int64(t, &s); \ + r->element[i] = satcvt(j, &sat); \ + } \ + } \ + if (sat) { \ + env->vscr |= (1 << VSCR_SAT); \ + } \ + } +VCT(uxs, cvtsduw, u32) +VCT(sxs, cvtsdsw, s32) +#undef VCT + void helper_vmaddfp (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) { int i; diff --git a/target-ppc/translate.c b/target-ppc/translate.c index a722f65..4d5b45a 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -6521,6 +6521,8 @@ GEN_VXFORM_UIMM(vsplth, 6, 9); GEN_VXFORM_UIMM(vspltw, 6, 10); GEN_VXFORM_UIMM(vcfux, 5, 12); GEN_VXFORM_UIMM(vcfsx, 5, 13); +GEN_VXFORM_UIMM(vctuxs, 5, 14); +GEN_VXFORM_UIMM(vctsxs, 5, 15); GEN_HANDLER(vsldoi, 0x04, 0x16, 0xFF, 0x00000400, PPC_ALTIVEC) { |