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-rw-r--r--meta-microblaze/recipes-devtools/gcc/gcc-12/0024-Patch-MicroBlaze-this-patch-has-1.Fixed-the-bug-in.patch377
1 files changed, 377 insertions, 0 deletions
diff --git a/meta-microblaze/recipes-devtools/gcc/gcc-12/0024-Patch-MicroBlaze-this-patch-has-1.Fixed-the-bug-in.patch b/meta-microblaze/recipes-devtools/gcc/gcc-12/0024-Patch-MicroBlaze-this-patch-has-1.Fixed-the-bug-in.patch
new file mode 100644
index 00000000..444c9397
--- /dev/null
+++ b/meta-microblaze/recipes-devtools/gcc/gcc-12/0024-Patch-MicroBlaze-this-patch-has-1.Fixed-the-bug-in.patch
@@ -0,0 +1,377 @@
+From 89269c9b8d2047ebbc13e98c45e94746edc63de6 Mon Sep 17 00:00:00 2001
+From: Mahesh Bodapati <mbodapat@xilinx.com>
+Date: Tue, 13 Sep 2022 12:23:54 +0530
+Subject: [PATCH 24/53] [Patch,MicroBlaze] : this patch has 1.Fixed the bug in
+ version calculation. 2.Add new bitfield instructions.
+
+Signed-off-by :Mahesh Bodapati <mbodapat@xilinx.com>
+Upstream-Status: Pending
+
+Signed-off-by: Mark Hatle <mark.hatle@amd.com>
+
+---
+ gcc/config/microblaze/microblaze.cc | 154 ++++++++++++++--------------
+ gcc/config/microblaze/microblaze.h | 2 +
+ gcc/config/microblaze/microblaze.md | 69 +++++++++++++
+ 3 files changed, 147 insertions(+), 78 deletions(-)
+
+diff --git a/gcc/config/microblaze/microblaze.cc b/gcc/config/microblaze/microblaze.cc
+index f75eaff4b49..3abfc834ff2 100644
+--- a/gcc/config/microblaze/microblaze.cc
++++ b/gcc/config/microblaze/microblaze.cc
+@@ -165,6 +165,9 @@ int microblaze_no_unsafe_delay;
+ /* Set to one if the targeted core has the CLZ insn. */
+ int microblaze_has_clz = 0;
+
++/* Set to one if the targeted core has barrel-shift and cpu > 10.0 */
++int microblaze_has_bitfield = 0;
++
+ /* Which CPU pipeline do we use. We haven't really standardized on a CPU
+ version having only a particular type of pipeline. There can still be
+ options on the CPU to scale pipeline features up or down. :(
+@@ -240,6 +243,63 @@ section *sdata2_section;
+ #define TARGET_HAVE_TLS true
+ #endif
+
++/* Convert a version number of the form "vX.YY.Z" to an integer encoding
++ for easier range comparison. */
++static int
++microblaze_version_to_int (const char *version)
++{
++ const char *p, *v;
++ const char *tmpl = "vXX.YY.Z";
++ int iver1 =0, iver2 =0, iver3 =0;
++
++ p = version;
++ v = tmpl;
++
++ while (*p)
++ {
++ if (*v == 'X')
++ { /* Looking for major */
++ if (*p == '.')
++ {
++ *v++;
++ }
++ else
++ {
++ if (!(*p >= '0' && *p <= '9'))
++ return -1;
++ iver1 += (int) (*p - '0');
++ iver1 *= 1000;
++ }
++ }
++ else if (*v == 'Y')
++ { /* Looking for minor */
++ if (!(*p >= '0' && *p <= '9'))
++ return -1;
++ iver2 += (int) (*p - '0');
++ iver2 *= 10;
++ }
++ else if (*v == 'Z')
++ { /* Looking for compat */
++ if (!(*p >= 'a' && *p <= 'z'))
++ return -1;
++ iver3 = ((int) (*p)) - 96;
++ }
++ else
++ {
++ if (*p != *v)
++ return -1;
++ }
++
++ v++;
++ p++;
++ }
++
++ if (*p)
++ return -1;
++
++ return iver1 + iver2 + iver3;
++}
++
+ /* Return truth value if a CONST_DOUBLE is ok to be a legitimate constant. */
+ static bool
+ microblaze_const_double_ok (rtx op, machine_mode mode)
+@@ -1339,8 +1399,7 @@ microblaze_rtx_costs (rtx x, machine_mode mode, int outer_code ATTRIBUTE_UNUSED,
+ {
+ if (TARGET_BARREL_SHIFT)
+ {
+- if (MICROBLAZE_VERSION_COMPARE (microblaze_select_cpu, "v5.00.a")
+- >= 0)
++ if (microblaze_version_to_int(microblaze_select_cpu) >= microblaze_version_to_int("v5.00.a"))
+ *total = COSTS_N_INSNS (1);
+ else
+ *total = COSTS_N_INSNS (2);
+@@ -1401,8 +1460,7 @@ microblaze_rtx_costs (rtx x, machine_mode mode, int outer_code ATTRIBUTE_UNUSED,
+ }
+ else if (!TARGET_SOFT_MUL)
+ {
+- if (MICROBLAZE_VERSION_COMPARE (microblaze_select_cpu, "v5.00.a")
+- >= 0)
++ if (microblaze_version_to_int(microblaze_select_cpu) >= microblaze_version_to_int("v5.00.a"))
+ *total = COSTS_N_INSNS (1);
+ else
+ *total = COSTS_N_INSNS (3);
+@@ -1675,72 +1733,13 @@ function_arg_partial_bytes (cumulative_args_t cum_v,
+ return 0;
+ }
+
+-/* Convert a version number of the form "vX.YY.Z" to an integer encoding
+- for easier range comparison. */
+-static int
+-microblaze_version_to_int (const char *version)
+-{
+- const char *p, *v;
+- const char *tmpl = "vXX.YY.Z";
+- int iver = 0;
+-
+- p = version;
+- v = tmpl;
+-
+- while (*p)
+- {
+- if (*v == 'X')
+- { /* Looking for major */
+- if (*p == '.')
+- {
+- v++;
+- }
+- else
+- {
+- if (!(*p >= '0' && *p <= '9'))
+- return -1;
+- iver += (int) (*p - '0');
+- iver *= 10;
+- }
+- }
+- else if (*v == 'Y')
+- { /* Looking for minor */
+- if (!(*p >= '0' && *p <= '9'))
+- return -1;
+- iver += (int) (*p - '0');
+- iver *= 10;
+- }
+- else if (*v == 'Z')
+- { /* Looking for compat */
+- if (!(*p >= 'a' && *p <= 'z'))
+- return -1;
+- iver *= 10;
+- iver += (int) (*p - 'a');
+- }
+- else
+- {
+- if (*p != *v)
+- return -1;
+- }
+-
+- v++;
+- p++;
+- }
+-
+- if (*p)
+- return -1;
+-
+- return iver;
+-}
+-
+-
+ static void
+ microblaze_option_override (void)
+ {
+ int i, start;
+ int regno;
+ machine_mode mode;
+- int ver;
++ int ver,ver_int;
+
+ microblaze_section_threshold = (OPTION_SET_P (g_switch_value)
+ ? g_switch_value
+@@ -1761,13 +1760,13 @@ microblaze_option_override (void)
+ /* Check the MicroBlaze CPU version for any special action to be done. */
+ if (microblaze_select_cpu == NULL)
+ microblaze_select_cpu = MICROBLAZE_DEFAULT_CPU;
+- ver = microblaze_version_to_int (microblaze_select_cpu);
+- if (ver == -1)
++ ver_int = microblaze_version_to_int (microblaze_select_cpu);
++ if (ver_int == -1)
+ {
+ error ("%qs is an invalid argument to %<-mcpu=%>", microblaze_select_cpu);
+ }
+
+- ver = MICROBLAZE_VERSION_COMPARE (microblaze_select_cpu, "v3.00.a");
++ ver = ver_int - microblaze_version_to_int("v3.00.a");
+ if (ver < 0)
+ {
+ /* No hardware exceptions in earlier versions. So no worries. */
+@@ -1778,8 +1777,7 @@ microblaze_option_override (void)
+ microblaze_pipe = MICROBLAZE_PIPE_3;
+ }
+ else if (ver == 0
+- || (MICROBLAZE_VERSION_COMPARE (microblaze_select_cpu, "v4.00.b")
+- == 0))
++ || (ver_int == microblaze_version_to_int("v4.00.b")))
+ {
+ #if 0
+ microblaze_select_flags |= (MICROBLAZE_MASK_NO_UNSAFE_DELAY);
+@@ -1796,11 +1794,9 @@ microblaze_option_override (void)
+ #endif
+ microblaze_no_unsafe_delay = 0;
+ microblaze_pipe = MICROBLAZE_PIPE_5;
+- if (MICROBLAZE_VERSION_COMPARE (microblaze_select_cpu, "v5.00.a") == 0
+- || MICROBLAZE_VERSION_COMPARE (microblaze_select_cpu,
+- "v5.00.b") == 0
+- || MICROBLAZE_VERSION_COMPARE (microblaze_select_cpu,
+- "v5.00.c") == 0)
++ if ((ver_int == microblaze_version_to_int("v5.00.a"))
++ || (ver_int == microblaze_version_to_int("v5.00.b"))
++ || (ver_int == microblaze_version_to_int("v5.00.c")))
+ {
+ /* Pattern compares are to be turned on by default only when
+ compiling for MB v5.00.'z'. */
+@@ -1808,7 +1804,7 @@ microblaze_option_override (void)
+ }
+ }
+
+- ver = MICROBLAZE_VERSION_COMPARE (microblaze_select_cpu, "v6.00.a");
++ ver = ver_int - microblaze_version_to_int("v6.00.a");
+ if (ver < 0)
+ {
+ if (TARGET_MULTIPLY_HIGH)
+@@ -1817,7 +1813,7 @@ microblaze_option_override (void)
+ "%<-mcpu=v6.00.a%> or greater");
+ }
+
+- ver = MICROBLAZE_VERSION_COMPARE (microblaze_select_cpu, "v8.10.a");
++ ver = ver_int - microblaze_version_to_int("v8.10.a");
+ microblaze_has_clz = 1;
+ if (ver < 0)
+ {
+@@ -1826,7 +1822,7 @@ microblaze_option_override (void)
+ }
+
+ /* TARGET_REORDER defaults to 2 if -mxl-reorder not specified. */
+- ver = MICROBLAZE_VERSION_COMPARE (microblaze_select_cpu, "v8.30.a");
++ ver = ver_int - microblaze_version_to_int("v8.30.a");
+ if (ver < 0)
+ {
+ if (TARGET_REORDER == 1)
+@@ -1841,7 +1837,7 @@ microblaze_option_override (void)
+ "%<-mcpu=v8.30.a%>");
+ TARGET_REORDER = 0;
+ }
+- ver = microblaze_version_to_int("v10.0");
++ ver = ver_int - microblaze_version_to_int("v10.0");
+ if (ver < 0)
+ {
+ if (TARGET_AREA_OPTIMIZED_2)
+@@ -1851,6 +1847,8 @@ microblaze_option_override (void)
+ {
+ if (TARGET_AREA_OPTIMIZED_2)
+ microblaze_pipe = MICROBLAZE_PIPE_8;
++ if (TARGET_BARREL_SHIFT)
++ microblaze_has_bitfield = 1;
+ }
+
+ if (TARGET_MULTIPLY_HIGH && TARGET_SOFT_MUL)
+diff --git a/gcc/config/microblaze/microblaze.h b/gcc/config/microblaze/microblaze.h
+index 640ae6ea9a3..67015058198 100644
+--- a/gcc/config/microblaze/microblaze.h
++++ b/gcc/config/microblaze/microblaze.h
+@@ -44,6 +44,7 @@ extern int microblaze_dbx_regno[];
+
+ extern int microblaze_no_unsafe_delay;
+ extern int microblaze_has_clz;
++extern int microblaze_has_bitfield;
+ extern enum pipeline_type microblaze_pipe;
+
+ #define OBJECT_FORMAT_ELF
+@@ -63,6 +64,7 @@ extern enum pipeline_type microblaze_pipe;
+ /* Do we have CLZ? */
+ #define TARGET_HAS_CLZ (TARGET_PATTERN_COMPARE && microblaze_has_clz)
+
++#define TARGET_HAS_BITFIELD (TARGET_BARREL_SHIFT && microblaze_has_bitfield)
+ /* The default is to support PIC. */
+ #define TARGET_SUPPORTS_PIC 1
+
+diff --git a/gcc/config/microblaze/microblaze.md b/gcc/config/microblaze/microblaze.md
+index 9e9dfb1ccb0..dede4d068d3 100644
+--- a/gcc/config/microblaze/microblaze.md
++++ b/gcc/config/microblaze/microblaze.md
+@@ -2491,4 +2491,73 @@
+ DONE;
+ }")
+
++(define_expand "extvsi"
++ [(set (match_operand:SI 0 "register_operand" "r")
++ (zero_extract:SI (match_operand:SI 1 "register_operand" "r")
++ (match_operand:SI 2 "immediate_operand" "I")
++ (match_operand:SI 3 "immediate_operand" "I")))]
++"TARGET_HAS_BITFIELD"
++"
++{
++ unsigned HOST_WIDE_INT len = UINTVAL (operands[2]);
++ unsigned HOST_WIDE_INT pos = UINTVAL (operands[3]);
++
++ if ((len == 0) || (pos + len > 32) )
++ FAIL;
++
++ ;;if (!register_operand (operands[1], VOIDmode))
++ ;; FAIL;
++ if (operands[0] == operands[1])
++ FAIL;
++ if (GET_CODE (operands[1]) == ASHIFT)
++ FAIL;
++;; operands[2] = GEN_INT(INTVAL(operands[2])+1 );
++ emit_insn (gen_extv_32 (operands[0], operands[1],
++ operands[2], operands[3]));
++ DONE;
++}")
++
++(define_insn "extv_32"
++ [(set (match_operand:SI 0 "register_operand" "=r")
++ (zero_extract:SI (match_operand:SI 1 "register_operand" "r")
++ (match_operand:SI 2 "immediate_operand" "I")
++ (match_operand:SI 3 "immediate_operand" "I")))]
++ "TARGET_HAS_BITFIELD && (UINTVAL (operands[2]) > 0)
++ && ((UINTVAL (operands[2]) + UINTVAL (operands[3])) <= 32)"
++ "bsefi %0,%1,%2,%3"
++ [(set_attr "type" "bshift")
++ (set_attr "length" "4")])
++
++(define_expand "insvsi"
++ [(set (zero_extract:SI (match_operand:SI 0 "register_operand" "+r")
++ (match_operand:SI 1 "immediate_operand" "I")
++ (match_operand:SI 2 "immediate_operand" "I"))
++ (match_operand:SI 3 "register_operand" "r"))]
++ "TARGET_HAS_BITFIELD"
++ "
++{
++ unsigned HOST_WIDE_INT len = UINTVAL (operands[1]);
++ unsigned HOST_WIDE_INT pos = UINTVAL (operands[2]);
++
++ if (len <= 0 || pos + len > 32)
++ FAIL;
++
++ ;;if (!register_operand (operands[0], VOIDmode))
++ ;; FAIL;
++ emit_insn (gen_insv_32 (operands[0], operands[1],
++ operands[2], operands[3]));
++ DONE;
++}")
++
++(define_insn "insv_32"
++ [(set (zero_extract:SI (match_operand:SI 0 "register_operand" "+r")
++ (match_operand:SI 1 "immediate_operand" "I")
++ (match_operand:SI 2 "immediate_operand" "I"))
++ (match_operand:SI 3 "register_operand" "r"))]
++ "TARGET_HAS_BITFIELD && UINTVAL (operands[1]) > 0
++ && UINTVAL (operands[1]) + UINTVAL (operands[2]) <= 32"
++ "bsifi %0, %3, %1, %2"
++ [(set_attr "type" "bshift")
++ (set_attr "length" "4")])
++
+ (include "sync.md")
+--
+2.37.1 (Apple Git-137.1)
+