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[Qemu-ppc] [PULL 006/107] target-ppc: Add xscmpoqp and xscmpuqp instruct
From: |
David Gibson |
Subject: |
[Qemu-ppc] [PULL 006/107] target-ppc: Add xscmpoqp and xscmpuqp instructions |
Date: |
Thu, 2 Feb 2017 16:13:04 +1100 |
From: Bharata B Rao <address@hidden>
xscmpoqp - VSX Scalar Compare Ordered Quad-Precision
xscmpuqp - VSX Scalar Compare Unordered Quad-Precision
Signed-off-by: Bharata B Rao <address@hidden>
Signed-off-by: Nikunj A Dadhania <address@hidden>
Signed-off-by: David Gibson <address@hidden>
---
target/ppc/fpu_helper.c | 54 +++++++++++++++++++++++++++++++++++++
target/ppc/helper.h | 2 ++
target/ppc/translate/vsx-impl.inc.c | 2 ++
target/ppc/translate/vsx-ops.inc.c | 2 ++
4 files changed, 60 insertions(+)
diff --git a/target/ppc/fpu_helper.c b/target/ppc/fpu_helper.c
index 8bffafb..696f537 100644
--- a/target/ppc/fpu_helper.c
+++ b/target/ppc/fpu_helper.c
@@ -2519,6 +2519,60 @@ void helper_##op(CPUPPCState *env, uint32_t opcode)
\
VSX_SCALAR_CMP(xscmpodp, 1)
VSX_SCALAR_CMP(xscmpudp, 0)
+#define VSX_SCALAR_CMPQ(op, ordered) \
+void helper_##op(CPUPPCState *env, uint32_t opcode) \
+{ \
+ ppc_vsr_t xa, xb; \
+ uint32_t cc = 0; \
+ bool vxsnan_flag = false, vxvc_flag = false; \
+ float128 a, b; \
+ \
+ helper_reset_fpstatus(env); \
+ getVSR(rA(opcode) + 32, &xa, env); \
+ getVSR(rB(opcode) + 32, &xb, env); \
+ \
+ a = make_float128(xa.VsrD(0), xa.VsrD(1)); \
+ b = make_float128(xb.VsrD(0), xb.VsrD(1)); \
+ \
+ if (float128_is_signaling_nan(a, &env->fp_status) || \
+ float128_is_signaling_nan(b, &env->fp_status)) { \
+ vxsnan_flag = true; \
+ cc = CRF_SO; \
+ if (fpscr_ve == 0 && ordered) { \
+ vxvc_flag = true; \
+ } \
+ } else if (float128_is_quiet_nan(a, &env->fp_status) || \
+ float128_is_quiet_nan(b, &env->fp_status)) { \
+ cc = CRF_SO; \
+ if (ordered) { \
+ vxvc_flag = true; \
+ } \
+ } \
+ if (vxsnan_flag) { \
+ float_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, 0); \
+ } \
+ if (vxvc_flag) { \
+ float_invalid_op_excp(env, POWERPC_EXCP_FP_VXVC, 0); \
+ } \
+ \
+ if (float128_lt(a, b, &env->fp_status)) { \
+ cc |= CRF_LT; \
+ } else if (!float128_le(a, b, &env->fp_status)) { \
+ cc |= CRF_GT; \
+ } else { \
+ cc |= CRF_EQ; \
+ } \
+ \
+ env->fpscr &= ~(0x0F << FPSCR_FPRF); \
+ env->fpscr |= cc << FPSCR_FPRF; \
+ env->crf[BF(opcode)] = cc; \
+ \
+ float_check_status(env); \
+}
+
+VSX_SCALAR_CMPQ(xscmpoqp, 1)
+VSX_SCALAR_CMPQ(xscmpuqp, 0)
+
/* VSX_MAX_MIN - VSX floating point maximum/minimum
* name - instruction mnemonic
* op - operation (max or min)
diff --git a/target/ppc/helper.h b/target/ppc/helper.h
index 042b8c1..125d6c5 100644
--- a/target/ppc/helper.h
+++ b/target/ppc/helper.h
@@ -403,6 +403,8 @@ DEF_HELPER_2(xscmpexpdp, void, env, i32)
DEF_HELPER_2(xscmpexpqp, void, env, i32)
DEF_HELPER_2(xscmpodp, void, env, i32)
DEF_HELPER_2(xscmpudp, void, env, i32)
+DEF_HELPER_2(xscmpoqp, void, env, i32)
+DEF_HELPER_2(xscmpuqp, void, env, i32)
DEF_HELPER_2(xsmaxdp, void, env, i32)
DEF_HELPER_2(xsmindp, void, env, i32)
DEF_HELPER_2(xscvdpsp, void, env, i32)
diff --git a/target/ppc/translate/vsx-impl.inc.c
b/target/ppc/translate/vsx-impl.inc.c
index 5206258..ed9588e 100644
--- a/target/ppc/translate/vsx-impl.inc.c
+++ b/target/ppc/translate/vsx-impl.inc.c
@@ -628,6 +628,8 @@ GEN_VSX_HELPER_2(xscmpexpdp, 0x0C, 0x07, 0, PPC2_ISA300)
GEN_VSX_HELPER_2(xscmpexpqp, 0x04, 0x05, 0, PPC2_ISA300)
GEN_VSX_HELPER_2(xscmpodp, 0x0C, 0x05, 0, PPC2_VSX)
GEN_VSX_HELPER_2(xscmpudp, 0x0C, 0x04, 0, PPC2_VSX)
+GEN_VSX_HELPER_2(xscmpoqp, 0x04, 0x04, 0, PPC2_VSX)
+GEN_VSX_HELPER_2(xscmpuqp, 0x04, 0x14, 0, PPC2_VSX)
GEN_VSX_HELPER_2(xsmaxdp, 0x00, 0x14, 0, PPC2_VSX)
GEN_VSX_HELPER_2(xsmindp, 0x00, 0x15, 0, PPC2_VSX)
GEN_VSX_HELPER_2(xscvdpsp, 0x12, 0x10, 0, PPC2_VSX)
diff --git a/target/ppc/translate/vsx-ops.inc.c
b/target/ppc/translate/vsx-ops.inc.c
index 2468ee9..7f09527 100644
--- a/target/ppc/translate/vsx-ops.inc.c
+++ b/target/ppc/translate/vsx-ops.inc.c
@@ -126,6 +126,8 @@ GEN_XX3FORM(xscmpexpdp, 0x0C, 0x07, PPC2_ISA300),
GEN_VSX_XFORM_300(xscmpexpqp, 0x04, 0x05, 0x00600001),
GEN_XX2IFORM(xscmpodp, 0x0C, 0x05, PPC2_VSX),
GEN_XX2IFORM(xscmpudp, 0x0C, 0x04, PPC2_VSX),
+GEN_VSX_XFORM_300(xscmpoqp, 0x04, 0x04, 0x00600001),
+GEN_VSX_XFORM_300(xscmpuqp, 0x04, 0x14, 0x00600001),
GEN_XX3FORM(xsmaxdp, 0x00, 0x14, PPC2_VSX),
GEN_XX3FORM(xsmindp, 0x00, 0x15, PPC2_VSX),
GEN_XX2FORM(xscvdpsp, 0x12, 0x10, PPC2_VSX),
--
2.9.3
- [Qemu-ppc] [PULL 000/107] ppc-for-2.9 queue 20170202, David Gibson, 2017/02/02
- [Qemu-ppc] [PULL 004/107] target-ppc: Fix xscmpodp and xscmpudp instructions, David Gibson, 2017/02/02
- [Qemu-ppc] [PULL 007/107] target-ppc: implement lxsd and lxssp instructions, David Gibson, 2017/02/02
- [Qemu-ppc] [PULL 001/107] disas/ppc: Fix indefinite articles in comments, David Gibson, 2017/02/02
- [Qemu-ppc] [PULL 003/107] target-ppc: rename CRF_* defines as CRF_*_BIT, David Gibson, 2017/02/02
- [Qemu-ppc] [PULL 011/107] target-ppc: Implement bcdctsq. instruction, David Gibson, 2017/02/02
- [Qemu-ppc] [PULL 002/107] target-ppc: Consolidate instruction decode helpers, David Gibson, 2017/02/02
- [Qemu-ppc] [PULL 010/107] target-ppc: Implement bcdcfsq. instruction, David Gibson, 2017/02/02
- [Qemu-ppc] [PULL 006/107] target-ppc: Add xscmpoqp and xscmpuqp instructions,
David Gibson <=
- [Qemu-ppc] [PULL 008/107] target-ppc: implement stxsd and stxssp, David Gibson, 2017/02/02
- [Qemu-ppc] [PULL 020/107] target-ppc: move ppc_vsr_t to common header, David Gibson, 2017/02/02
- [Qemu-ppc] [PULL 014/107] target-ppc: add vextu[bhw][lr]x instructions, David Gibson, 2017/02/02
- [Qemu-ppc] [PULL 005/107] target-ppc: Add xscmpexp[dp, qp] instructions, David Gibson, 2017/02/02
- [Qemu-ppc] [PULL 021/107] target-ppc: implement stop instruction, David Gibson, 2017/02/02
- [Qemu-ppc] [PULL 016/107] pseries: Make cpu_update during CAS unconditional, David Gibson, 2017/02/02
- [Qemu-ppc] [PULL 018/107] ppc: Rename cpu_version to compat_pvr, David Gibson, 2017/02/02
- [Qemu-ppc] [PULL 013/107] target-ppc: Implement bcdsetsgn. instruction, David Gibson, 2017/02/02
- [Qemu-ppc] [PULL 024/107] target-ppc: implement xsnegqp instruction, David Gibson, 2017/02/02
- [Qemu-ppc] [PULL 022/107] target-ppc: implement xsabsqp/xsnabsqp instruction, David Gibson, 2017/02/02