From: Tom Musta <tommusta@gmail.com>
To: QEMU Developers <qemu-devel@nongnu.org>
Cc: Tom Musta <tommusta@gmail.com>,
"qemu-ppc@nongnu.org" <qemu-ppc@nongnu.org>
Subject: [Qemu-devel] [PATCH 14/19] Add VSX xscmp*dp Instructions
Date: Thu, 24 Oct 2013 11:25:41 -0500 [thread overview]
Message-ID: <52694A05.6070001@gmail.com> (raw)
In-Reply-To: <526947CA.4020504@gmail.com>
This patch adds the VSX scalar floating point compare ordered
and unordered instructions.
Signed-off-by: Tom Musta <tommusta@gmail.com>
---
target-ppc/fpu_helper.c | 39 +++++++++++++++++++++++++++++++++++++++
target-ppc/helper.h | 2 ++
target-ppc/translate.c | 4 ++++
3 files changed, 45 insertions(+), 0 deletions(-)
diff --git a/target-ppc/fpu_helper.c b/target-ppc/fpu_helper.c
index 12e7abc..0373913 100644
--- a/target-ppc/fpu_helper.c
+++ b/target-ppc/fpu_helper.c
@@ -2284,3 +2284,42 @@ VSX_MADD(xvnmaddasp, 4, float32, float64, f32, !=, add, 1, 1, 0)
VSX_MADD(xvnmaddmsp, 4, float32, float64, f32, !=, add, 1, 0, 0)
VSX_MADD(xvnmsubasp, 4, float32, float64, f32, ==, sub, 1, 1, 0)
VSX_MADD(xvnmsubmsp, 4, float32, float64, f32, ==, sub, 1, 0, 0)
+
+#define VSX_SCALAR_CMP(op, ordered) \
+void helper_##op(CPUPPCState *env, uint32_t opcode) \
+{ \
+ ppc_vsr_t xa, xb; \
+ uint32_t cc = 0; \
+ \
+ getVSR(xA(opcode), &xa, env); \
+ getVSR(xB(opcode), &xb, env); \
+ \
+ if (unlikely(float64_is_any_nan(xa.f64[0]) || \
+ float64_is_any_nan(xb.f64[0]))) { \
+ if (float64_is_signaling_nan(xa.f64[0]) || \
+ float64_is_signaling_nan(xb.f64[0])) { \
+ fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, 0); \
+ } \
+ if (ordered) { \
+ fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXVC, 0); \
+ } \
+ cc = 1; \
+ } else { \
+ if (float64_lt(xa.f64[0], xb.f64[0], &env->fp_status)) { \
+ cc = 8; \
+ } else if (!float64_le(xa.f64[0], xb.f64[0], &env->fp_status)) { \
+ cc = 4; \
+ } else { \
+ cc = 2; \
+ } \
+ } \
+ \
+ env->fpscr &= ~(0x0F << FPSCR_FPRF); \
+ env->fpscr |= cc << FPSCR_FPRF; \
+ env->crf[BF(opcode)] = cc; \
+ \
+ helper_float_check_status(env); \
+}
+
+VSX_SCALAR_CMP(xscmpodp, 1)
+VSX_SCALAR_CMP(xscmpudp, 0)
diff --git a/target-ppc/helper.h b/target-ppc/helper.h
index 15f1b95..bfb1964 100644
--- a/target-ppc/helper.h
+++ b/target-ppc/helper.h
@@ -268,6 +268,8 @@ DEF_HELPER_2(xsnmaddadp, void, env, i32)
DEF_HELPER_2(xsnmaddmdp, void, env, i32)
DEF_HELPER_2(xsnmsubadp, void, env, i32)
DEF_HELPER_2(xsnmsubmdp, void, env, i32)
+DEF_HELPER_2(xscmpodp, void, env, i32)
+DEF_HELPER_2(xscmpudp, void, env, i32)
DEF_HELPER_2(xvadddp, void, env, i32)
DEF_HELPER_2(xvsubdp, void, env, i32)
diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index 3783e94..053df68 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -7310,6 +7310,8 @@ GEN_VSX_HELPER_2(xsnmaddadp, 0x04, 0x14, 0, PPC2_VSX)
GEN_VSX_HELPER_2(xsnmaddmdp, 0x04, 0x15, 0, PPC2_VSX)
GEN_VSX_HELPER_2(xsnmsubadp, 0x04, 0x16, 0, PPC2_VSX)
GEN_VSX_HELPER_2(xsnmsubmdp, 0x04, 0x17, 0, PPC2_VSX)
+GEN_VSX_HELPER_2(xscmpodp, 0x0C, 0x05, 0, PPC2_VSX)
+GEN_VSX_HELPER_2(xscmpudp, 0x0C, 0x04, 0, PPC2_VSX)
GEN_VSX_HELPER_2(xvadddp, 0x00, 0x0C, 0, PPC2_VSX)
GEN_VSX_HELPER_2(xvsubdp, 0x00, 0x0D, 0, PPC2_VSX)
@@ -10046,6 +10048,8 @@ GEN_XX3FORM(xsnmaddadp, 0x04, 0x14, PPC2_VSX),
GEN_XX3FORM(xsnmaddmdp, 0x04, 0x15, PPC2_VSX),
GEN_XX3FORM(xsnmsubadp, 0x04, 0x16, PPC2_VSX),
GEN_XX3FORM(xsnmsubmdp, 0x04, 0x17, PPC2_VSX),
+GEN_XX2FORM(xscmpodp, 0x0C, 0x05, PPC2_VSX),
+GEN_XX2FORM(xscmpudp, 0x0C, 0x04, PPC2_VSX),
GEN_XX3FORM(xvadddp, 0x00, 0x0C, PPC2_VSX),
GEN_XX3FORM(xvsubdp, 0x00, 0x0D, PPC2_VSX),
--
1.7.1
next prev parent reply other threads:[~2013-10-24 16:26 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-24 16:16 [Qemu-devel] [PATCH 00/19] PowerPC VSX Stage 3 Tom Musta
2013-10-24 16:17 ` [Qemu-devel] [PATCH 01/19] Add New softfloat Routines for VSX Tom Musta
2013-10-24 18:34 ` Richard Henderson
2013-10-25 11:34 ` Alex Bennée
2013-10-25 11:44 ` Peter Maydell
2013-10-25 13:09 ` Alex Bennée
2013-10-25 13:24 ` Tom Musta
2013-10-25 11:55 ` Peter Maydell
2013-10-25 13:01 ` Tom Musta
2013-10-25 13:37 ` Peter Maydell
2013-10-24 16:18 ` [Qemu-devel] [PATCH 02/19] Add set_fprf Argument to fload_invalid_op_excp() Tom Musta
2013-10-24 16:19 ` [Qemu-devel] [PATCH 03/19] General Support for VSX Helpers Tom Musta
2013-10-24 18:51 ` Richard Henderson
2013-10-24 20:42 ` Tom Musta
2013-10-24 21:00 ` Richard Henderson
2013-10-24 16:20 ` [Qemu-devel] [PATCH 04/19] Add VSX ISA2.06 xadd Instructions Tom Musta
2013-10-24 19:44 ` Richard Henderson
2013-10-24 16:20 ` [Qemu-devel] [PATCH 05/19] Add VSX ISA2.06 xsub Instructions Tom Musta
2013-10-24 19:48 ` Richard Henderson
2013-10-24 16:21 ` [Qemu-devel] [PATCH 06/19] Add VSX ISA2.06 xmul Instructions Tom Musta
2013-10-24 20:07 ` Richard Henderson
2013-10-24 16:21 ` [Qemu-devel] [PATCH 07/19] Add VSX ISA2.06 xdiv Instructions Tom Musta
2013-10-24 20:08 ` Richard Henderson
2013-10-24 16:22 ` [Qemu-devel] [PATCH 08/19] Add VSX ISA2.06 xre Instructions Tom Musta
2013-10-24 20:11 ` Richard Henderson
2013-10-24 16:22 ` [Qemu-devel] [PATCH 09/19] Add VSX ISA2.06 xsqrt Instructions Tom Musta
2013-10-24 20:23 ` Richard Henderson
2013-10-24 16:23 ` [Qemu-devel] [PATCH 10/19] Add VSX ISA2.06 xrsqrte Instructions Tom Musta
2013-10-24 20:25 ` Richard Henderson
2013-10-24 16:23 ` [Qemu-devel] [PATCH 11/19] Add VSX ISA2.06 xtdiv Instructions Tom Musta
2013-10-24 20:30 ` Richard Henderson
2013-10-24 16:24 ` [Qemu-devel] [PATCH 12/19] Add VSX ISA2.06 xtsqrt Instructions Tom Musta
2013-10-24 20:34 ` Richard Henderson
2013-10-24 16:25 ` [Qemu-devel] [PATCH 13/19] Add VSX ISA2.06 Multiply Add Instructions Tom Musta
2013-10-24 20:38 ` Richard Henderson
2013-10-25 13:49 ` Tom Musta
2013-10-25 16:25 ` Tom Musta
2013-10-25 16:42 ` Richard Henderson
2013-10-25 17:13 ` Tom Musta
2013-10-25 17:29 ` Richard Henderson
2013-10-25 17:20 ` Peter Maydell
2013-10-25 17:34 ` Richard Henderson
2013-10-24 16:25 ` Tom Musta [this message]
2013-10-24 20:39 ` [Qemu-devel] [PATCH 14/19] Add VSX xscmp*dp Instructions Richard Henderson
2013-10-24 16:26 ` [Qemu-devel] [PATCH 15/19] Add VSX xmax/xmin Instructions Tom Musta
2013-10-24 20:45 ` Richard Henderson
2013-10-24 21:07 ` Tom Musta
2013-10-24 21:18 ` Richard Henderson
2013-10-24 22:10 ` Peter Maydell
2013-10-25 13:52 ` Tom Musta
2013-10-25 13:55 ` Peter Maydell
2013-10-24 16:26 ` [Qemu-devel] [PATCH 16/19] Add VSX Vector Compare Instructions Tom Musta
2013-10-24 16:27 ` [Qemu-devel] [PATCH 17/19] Add VSX Floating Point to Floating Point Conversion Instructions Tom Musta
2013-10-24 20:49 ` Richard Henderson
2013-10-24 16:27 ` [Qemu-devel] [PATCH 18/19] Add VSX ISA2.06 Integer " Tom Musta
2013-10-24 20:51 ` Richard Henderson
2013-10-24 16:28 ` [Qemu-devel] [PATCH 19/19] Add VSX Rounding Instructions Tom Musta
2013-10-24 20:54 ` Richard Henderson
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