gcc:

2006-11-03  J"orn Rennecke  <joern.rennecke@st.com>

	* config/sh/crt1.asm: Fix #ifdef indent.

2006-11-03  J"orn Rennecke  <joern.rennecke@st.com>
	Merged from STMicroelectronics sources:
	2006-10-06  Andrew Stubbs  <andrew.stubbs@st.com>
	  * config/sh/crt1.asm (vbr_600): Add missing #if.
	2006-08-03  J"orn Rennecke  <joern.rennecke@st.com>
	  * sh.opt (mfused-madd): New option.
	  * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
	2006-07-04  Andrew Stubbs  <andrew.stubbs@st.com>
	  * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
	  Remove pointless handler at VBR+0.
	  (vbr_200, vbr_300, vbr_500): Remove pointless handler.
	  (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
	  fr7. Make sure the timer handler is called with the correct FPU
	  precision setting, according to the ABI.
	2006-06-14  J"orn Rennecke <joern.rennecke@st.com>
	  * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
	  * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
	  (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
	2006-06-09  J"orn Rennecke <joern.rennecke@st.com>
	  * sh.md (cmpgeusi_t): Change into define_insn_and_split.  Accept
	  zero as second operand.
	2006-04-28  J"orn Rennecke <joern.rennecke@st.com>
	  * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
	  Fixed some bugs related to negative values, in particular -0
	  and overflow at -0x80000000.
	  * config/sh/divcost-analysis: Added sh4-300 figures.
	2006-04-27  J"orn Rennecke <joern.rennecke@st.com>
	  * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
	2006-04-26  J"orn Rennecke <joern.rennecke@st.com>
	  * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
	  ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
	  * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
	New files.
	  * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
	  -m4-340.
	2006-04-24  J"orn Rennecke <joern.rennecke@st.com>
	  SH4-300 scheduling description & fixes to SH4-[12]00 description:
	  * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
	  mac_mem, mem_mac, dfp_mul, fp_cmp.
	  (insn_class, dfp_comp, any_fp_comp): Update.
	  (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
	  (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
	  (muldf3_i): Likewise.
	  (movsi_i): Split rI08 alternative into two separate alternatives.
	  Update type.
	  (movsi_ie, movsi_i_lowpart): Likewise.
	  (movqi_i): Split ri alternative into two separate alternatives.
	  Update type.
	  * sh1.md (sh1_load_store, sh1_fp): Update.
	  * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
	  (mac_mem, sh4_fpscr_toggle): New insn_reservations.
	  * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
	  (sh4a_fp_double_arith): Likewise.
	  * sh4-300.md: New file.
	  * sh.c (sh_handle_option): Handle m4-300* options.
	  (sh_adjust_cost): Fix latency of auto-increments.
	  Handle SH4-300 differently than other SH4s.  Check for new insn types.
	  * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
	  been set by an option.
	  * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
	  (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
	  (mbranch-cost=): Likewise.
	  * superh.h (STARTFILE_SPEC): Take -m4-340 into account.

	  * sh.md (mulsf3): Remove special expansion code.
	  (mulsf3_ie): Now a define_insn_and_split.
	  (macsf3): Allow for TARGET_SH4.

	  * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
	  * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
	  (expand_cbranchdi4): Likewise.
	  (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
	  CONST_DOUBLE if the outer code is COMPARE.
	  * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
	  TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
	  (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
	  (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
	  Remove redundant fp_{zero,one}_operand checks.
	  * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
	  * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
	  (expand_cbranchdi4): Likewise.
	2006-04-20  J"orn Rennecke <joern.rennecke@st.com>
	  * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.

gcc/testsuite:

2006-11-03  J"orn Rennecke  <joern.rennecke@st.com>

	* testsuite/gcc.c-torture/execute/arith-rand-ll.c:
	Also test for bogus rest sign.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@118458 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 81 insertions, 0 deletions

diff --git a/gcc/config/sh/divtab-sh4-300.c b/gcc/config/sh/divtab-sh4-300.c
new file mode 100644
index 00000000000..448b0b8af8e
--- /dev/null
+++ b/gcc/config/sh/divtab-sh4-300.c
@@ -0,0 +1,81 @@
+/* Copyright (C) 2004, 2006 Free Software Foundation, Inc.
+
+This file is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by the
+Free Software Foundation; either version 2, or (at your option) any
+later version.
+
+In addition to the permissions in the GNU General Public License, the
+Free Software Foundation gives you unlimited permission to link the
+compiled version of this file into combinations with other programs,
+and to distribute those combinations without any restriction coming
+from the use of this file.  (The General Public License restrictions
+do apply in other respects; for example, they cover modification of
+the file, and distribution when not linked into a combine
+executable.)
+
+This file is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; see the file COPYING.  If not, write to
+the Free Software Foundation, 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA.  */
+
+/* Calculate division table for ST40-300 integer division
+   Contributed by Joern Rennecke
+   joern.rennecke@st.com  */
+
+#include <stdio.h>
+#include <math.h>
+
+int
+main ()
+{
+  int i, j;
+  double q, r, err, max_err = 0, max_s_err = 0;
+
+  puts("/* This table has been generated by divtab-sh4.c.  */");
+  puts ("\t.balign 4");
+  for (i = -128; i < 128; i++)
+    {
+      int n = 0;
+      if (i == 0)
+	{
+	  /* output some dummy number for 1/0.  */
+	  puts ("LOCAL(div_table_clz):\n\t.byte\t0");
+	  continue;
+	}
+      for (j = i < 0 ? -i : i; j < 128; j += j)
+	n++;
+      printf ("\t.byte\t%d\n", n - 7);
+    }
+  puts("\
+/* 1/-128 .. 1/127, normalized.  There is an implicit leading 1 in bit 32,\n\
+   or in bit 33 for powers of two.  */\n\
+	.balign 4");
+  for (i = -128; i < 128; i++)
+    {
+      if (i == 0)
+	{
+	  puts ("LOCAL(div_table_inv):\n\t.long\t0x0");
+	  continue;
+	}
+      j = i < 0 ? -i : i;
+      while (j < 64)
+	j += j;
+      q = 4.*(1<<30)*128/j;
+      r = ceil (q);
+      printf ("\t.long\t0x%X\n", (unsigned) r);
+      err = r - q;
+      if (err > max_err)
+	max_err = err;
+      err = err * j / 128;
+      if (err > max_s_err)
+	max_s_err = err;
+    }
+  printf ("\t/* maximum error: %f scaled: %f*/\n", max_err, max_s_err);
+  exit (0);
+}