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 09/19] Add VSX ISA2.06 xsqrt Instructions
Date: Thu, 24 Oct 2013 11:22:59 -0500 [thread overview]
Message-ID: <52694963.3010302@gmail.com> (raw)
In-Reply-To: <526947CA.4020504@gmail.com>
This patch adds the VSX floating point square root instructions
defined by V2.06 of the PowerPC ISA: xssqrtdp, xvsqrtdp, xvsqrtsp.
Signed-off-by: Tom Musta <tommusta@gmail.com>
---
target-ppc/fpu_helper.c | 43 +++++++++++++++++++++++++++++++++++++++++++
target-ppc/helper.h | 3 +++
target-ppc/translate.c | 6 ++++++
3 files changed, 52 insertions(+), 0 deletions(-)
diff --git a/target-ppc/fpu_helper.c b/target-ppc/fpu_helper.c
index 11922a5..d03e8f9 100644
--- a/target-ppc/fpu_helper.c
+++ b/target-ppc/fpu_helper.c
@@ -1984,3 +1984,46 @@ void helper_##op(CPUPPCState *env, uint32_t opcode) \
VSX_RE(xsredp, 1, float64, f64, 1)
VSX_RE(xvredp, 2, float64, f64, 0)
VSX_RE(xvresp, 4, float32, f32, 0)
+
+/* VSX_SQRT - VSX floating point square root
+ * op - instruction mnemonic
+ * nels - number of elements (1, 2 or 4)
+ * tp - type (float32 or float64)
+ * fld - vsr_t field (f32 or f64)
+ * sfprf - set FPRF
+ */
+#define VSX_SQRT(op, nels, tp, fld, sfprf) \
+void helper_##op(CPUPPCState *env, uint32_t opcode) \
+{ \
+ ppc_vsr_t xt, xb; \
+ int i; \
+ \
+ getVSR(xB(opcode), &xb, env); \
+ getVSR(xT(opcode), &xt, env); \
+ helper_reset_fpstatus(env); \
+ \
+ for (i = 0; i < nels; i++) { \
+ if (unlikely(tp##_is_neg(xb.fld[i]) && \
+ !tp##_is_zero(xb.fld[i]))) { \
+ xt.fld[i] = float64_to_##tp( \
+ fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSQRT,\
+ sfprf), \
+ &env->fp_status); \
+ } else { \
+ if (unlikely(tp##_is_signaling_nan(xb.fld[i]))) { \
+ fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, sfprf); \
+ } \
+ xt.fld[i] = tp##_sqrt(xb.fld[i], &env->fp_status); \
+ if (sfprf) { \
+ helper_compute_fprf(env, xt.fld[0], sfprf); \
+ } \
+ } \
+ } \
+ \
+ putVSR(xT(opcode), &xt, env); \
+ helper_float_check_status(env); \
+}
+
+VSX_SQRT(xssqrtdp, 1, float64, f64, 1)
+VSX_SQRT(xvsqrtdp, 2, float64, f64, 0)
+VSX_SQRT(xvsqrtsp, 4, float32, f32, 0)
diff --git a/target-ppc/helper.h b/target-ppc/helper.h
index 8af1e89..27ca4e5 100644
--- a/target-ppc/helper.h
+++ b/target-ppc/helper.h
@@ -256,18 +256,21 @@ DEF_HELPER_2(xssubdp, void, env, i32)
DEF_HELPER_2(xsmuldp, void, env, i32)
DEF_HELPER_2(xsdivdp, void, env, i32)
DEF_HELPER_2(xsredp, void, env, i32)
+DEF_HELPER_2(xssqrtdp, void, env, i32)
DEF_HELPER_2(xvadddp, void, env, i32)
DEF_HELPER_2(xvsubdp, void, env, i32)
DEF_HELPER_2(xvmuldp, void, env, i32)
DEF_HELPER_2(xvdivdp, void, env, i32)
DEF_HELPER_2(xvredp, void, env, i32)
+DEF_HELPER_2(xvsqrtdp, void, env, i32)
DEF_HELPER_2(xvaddsp, void, env, i32)
DEF_HELPER_2(xvsubsp, void, env, i32)
DEF_HELPER_2(xvmulsp, void, env, i32)
DEF_HELPER_2(xvdivsp, void, env, i32)
DEF_HELPER_2(xvresp, void, env, i32)
+DEF_HELPER_2(xvsqrtsp, void, env, i32)
DEF_HELPER_2(efscfsi, i32, env, i32)
DEF_HELPER_2(efscfui, i32, env, i32)
diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index 06df531..66cbad1 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -7298,18 +7298,21 @@ GEN_VSX_HELPER_2(xssubdp, 0x00, 0x05, 0, PPC2_VSX)
GEN_VSX_HELPER_2(xsmuldp, 0x00, 0x06, 0, PPC2_VSX)
GEN_VSX_HELPER_2(xsdivdp, 0x00, 0x07, 0, PPC2_VSX)
GEN_VSX_HELPER_2(xsredp, 0x14, 0x05, 0, PPC2_VSX)
+GEN_VSX_HELPER_2(xssqrtdp, 0x16, 0x04, 0, PPC2_VSX)
GEN_VSX_HELPER_2(xvadddp, 0x00, 0x0C, 0, PPC2_VSX)
GEN_VSX_HELPER_2(xvsubdp, 0x00, 0x0D, 0, PPC2_VSX)
GEN_VSX_HELPER_2(xvmuldp, 0x00, 0x0E, 0, PPC2_VSX)
GEN_VSX_HELPER_2(xvdivdp, 0x00, 0x0F, 0, PPC2_VSX)
GEN_VSX_HELPER_2(xvredp, 0x14, 0x0D, 0, PPC2_VSX)
+GEN_VSX_HELPER_2(xvsqrtdp, 0x16, 0x0C, 0, PPC2_VSX)
GEN_VSX_HELPER_2(xvaddsp, 0x00, 0x08, 0, PPC2_VSX)
GEN_VSX_HELPER_2(xvsubsp, 0x00, 0x09, 0, PPC2_VSX)
GEN_VSX_HELPER_2(xvmulsp, 0x00, 0x0A, 0, PPC2_VSX)
GEN_VSX_HELPER_2(xvdivsp, 0x00, 0x0B, 0, PPC2_VSX)
GEN_VSX_HELPER_2(xvresp, 0x14, 0x09, 0, PPC2_VSX)
+GEN_VSX_HELPER_2(xvsqrtsp, 0x16, 0x08, 0, PPC2_VSX)
#define VSX_LOGICAL(name, tcg_op) \
static void glue(gen_, name)(DisasContext * ctx) \
@@ -9998,18 +10001,21 @@ GEN_XX3FORM(xssubdp, 0x00, 0x05, PPC2_VSX),
GEN_XX3FORM(xsmuldp, 0x00, 0x06, PPC2_VSX),
GEN_XX3FORM(xsdivdp, 0x00, 0x07, PPC2_VSX),
GEN_XX2FORM(xsredp, 0x14, 0x05, PPC2_VSX),
+GEN_XX2FORM(xssqrtdp, 0x16, 0x04, PPC2_VSX),
GEN_XX3FORM(xvadddp, 0x00, 0x0C, PPC2_VSX),
GEN_XX3FORM(xvsubdp, 0x00, 0x0D, PPC2_VSX),
GEN_XX3FORM(xvmuldp, 0x00, 0x0E, PPC2_VSX),
GEN_XX3FORM(xvdivdp, 0x00, 0x0F, PPC2_VSX),
GEN_XX2FORM(xvredp, 0x14, 0x0D, PPC2_VSX),
+GEN_XX2FORM(xvsqrtdp, 0x16, 0x0C, PPC2_VSX),
GEN_XX3FORM(xvaddsp, 0x00, 0x08, PPC2_VSX),
GEN_XX3FORM(xvsubsp, 0x00, 0x09, PPC2_VSX),
GEN_XX3FORM(xvmulsp, 0x00, 0x0A, PPC2_VSX),
GEN_XX3FORM(xvdivsp, 0x00, 0x0B, PPC2_VSX),
GEN_XX2FORM(xvresp, 0x14, 0x09, PPC2_VSX),
+GEN_XX2FORM(xvsqrtsp, 0x16, 0x08, PPC2_VSX),
#undef VSX_LOGICAL
#define VSX_LOGICAL(name, opc2, opc3, fl2) \
--
1.7.1
next prev parent reply other threads:[~2013-10-24 16:23 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 ` Tom Musta [this message]
2013-10-24 20:23 ` [Qemu-devel] [PATCH 09/19] Add VSX ISA2.06 xsqrt Instructions 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 ` [Qemu-devel] [PATCH 14/19] Add VSX xscmp*dp Instructions Tom Musta
2013-10-24 20:39 ` 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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