From: Bill Schmidt <wschmidt@linux.ibm.com>
To: gcc-patches@gcc.gnu.org
Cc: segher@kernel.crashing.org
Subject: [PATCH 15/55] rs6000: Build and store function type identifiers
Date: Thu, 17 Jun 2021 10:18:59 -0500 [thread overview]
Message-ID: <7931e390f98572d6c3512d9da8f1af1c1f74418e.1623941441.git.wschmidt@linux.ibm.com> (raw)
In-Reply-To: <cover.1623941441.git.wschmidt@linux.ibm.com>
In-Reply-To: <cover.1623941441.git.wschmidt@linux.ibm.com>
2021-06-07 Bill Schmidt <wschmidt@linux.ibm.com>
gcc/
* config/rs6000/rs6000-gen-builtins.c (complete_vector_type): New
function.
(complete_base_type): Likewise.
(construct_fntype_id): Likewise.
(parse_bif_entry): Call contruct_fntype_id.
(parse_ovld_entry): Likewise.
---
gcc/config/rs6000/rs6000-gen-builtins.c | 233 ++++++++++++++++++++++++
1 file changed, 233 insertions(+)
diff --git a/gcc/config/rs6000/rs6000-gen-builtins.c b/gcc/config/rs6000/rs6000-gen-builtins.c
index b38b7285acb..466fce1cdd2 100644
--- a/gcc/config/rs6000/rs6000-gen-builtins.c
+++ b/gcc/config/rs6000/rs6000-gen-builtins.c
@@ -1280,6 +1280,231 @@ endian = %d.\n",
return PC_OK;
}
+/* Convert a vector type into a mode string. */
+static void
+complete_vector_type (typeinfo *typeptr, char *buf, int *bufi)
+{
+ if (typeptr->isbool)
+ buf[(*bufi)++] = 'b';
+ buf[(*bufi)++] = 'v';
+ if (typeptr->ispixel)
+ {
+ memcpy (&buf[*bufi], "p8hi", 4);
+ *bufi += 4;
+ }
+ else
+ {
+ switch (typeptr->base)
+ {
+ case BT_CHAR:
+ memcpy (&buf[*bufi], "16qi", 4);
+ *bufi += 4;
+ break;
+ case BT_SHORT:
+ memcpy (&buf[*bufi], "8hi", 3);
+ *bufi += 3;
+ break;
+ case BT_INT:
+ memcpy (&buf[*bufi], "4si", 3);
+ *bufi += 3;
+ break;
+ case BT_LONGLONG:
+ memcpy (&buf[*bufi], "2di", 3);
+ *bufi += 3;
+ break;
+ case BT_FLOAT:
+ memcpy (&buf[*bufi], "4sf", 3);
+ *bufi += 3;
+ break;
+ case BT_DOUBLE:
+ memcpy (&buf[*bufi], "2df", 3);
+ *bufi += 3;
+ break;
+ case BT_INT128:
+ memcpy (&buf[*bufi], "1ti", 3);
+ *bufi += 3;
+ break;
+ case BT_FLOAT128:
+ memcpy (&buf[*bufi], "1tf", 3);
+ *bufi += 3;
+ break;
+ case BT_VPAIR:
+ memcpy (&buf[*bufi], "1poi", 4);
+ *bufi += 4;
+ break;
+ case BT_VQUAD:
+ memcpy (&buf[*bufi], "1pxi", 4);
+ *bufi += 4;
+ break;
+ default:
+ (*diag) ("unhandled basetype %d.\n", typeptr->base);
+ exit (1);
+ }
+ }
+}
+
+/* Convert a base type into a mode string. */
+static void
+complete_base_type (typeinfo *typeptr, char *buf, int *bufi)
+{
+ switch (typeptr->base)
+ {
+ case BT_CHAR:
+ memcpy (&buf[*bufi], "qi", 2);
+ break;
+ case BT_SHORT:
+ memcpy (&buf[*bufi], "hi", 2);
+ break;
+ case BT_INT:
+ memcpy (&buf[*bufi], "si", 2);
+ break;
+ case BT_LONG:
+ memcpy (&buf[*bufi], "lg", 2);
+ break;
+ case BT_LONGLONG:
+ memcpy (&buf[*bufi], "di", 2);
+ break;
+ case BT_FLOAT:
+ memcpy (&buf[*bufi], "sf", 2);
+ break;
+ case BT_DOUBLE:
+ memcpy (&buf[*bufi], "df", 2);
+ break;
+ case BT_LONGDOUBLE:
+ memcpy (&buf[*bufi], "ld", 2);
+ break;
+ case BT_INT128:
+ memcpy (&buf[*bufi], "ti", 2);
+ break;
+ case BT_FLOAT128:
+ memcpy (&buf[*bufi], "tf", 2);
+ break;
+ case BT_BOOL:
+ memcpy (&buf[*bufi], "bi", 2);
+ break;
+ case BT_STRING:
+ memcpy (&buf[*bufi], "st", 2);
+ break;
+ case BT_DECIMAL32:
+ memcpy (&buf[*bufi], "sd", 2);
+ break;
+ case BT_DECIMAL64:
+ memcpy (&buf[*bufi], "dd", 2);
+ break;
+ case BT_DECIMAL128:
+ memcpy (&buf[*bufi], "td", 2);
+ break;
+ case BT_IBM128:
+ memcpy (&buf[*bufi], "if", 2);
+ break;
+ default:
+ (*diag) ("unhandled basetype %d.\n", typeptr->base);
+ exit (1);
+ }
+
+ *bufi += 2;
+}
+
+/* Build a function type descriptor identifier from the return type
+ and argument types described by PROTOPTR, and store it if it does
+ not already exist. Return the identifier. */
+static char *
+construct_fntype_id (prototype *protoptr)
+{
+ /* Determine the maximum space for a function type descriptor id.
+ Each type requires at most 9 characters (6 for the mode*, 1 for
+ the optional 'u' preceding the mode, 1 for the optional 'p'
+ preceding the mode, and 1 for an underscore following the mode).
+ We also need 5 characters for the string "ftype" that separates
+ the return mode from the argument modes. The last argument doesn't
+ need a trailing underscore, but we count that as the one trailing
+ "ftype" instead. For the special case of zero arguments, we need 9
+ for the return type and 7 for "ftype_v". Finally, we need one
+ character for the terminating null. Thus for a function with N
+ arguments, we need at most 9N+15 characters for N>0, otherwise 17.
+ ----
+ *Worst case is bv16qi for "vector bool char". */
+ int len = protoptr->nargs ? (protoptr->nargs + 1) * 9 + 6 : 17;
+ char *buf = (char *) malloc (len);
+ int bufi = 0;
+
+ if (protoptr->rettype.ispointer)
+ buf[bufi++] = 'p';
+
+ if (protoptr->rettype.isvoid)
+ buf[bufi++] = 'v';
+ else
+ {
+ if (protoptr->rettype.isunsigned)
+ buf[bufi++] = 'u';
+ if (protoptr->rettype.isvector)
+ complete_vector_type (&protoptr->rettype, buf, &bufi);
+ else
+ complete_base_type (&protoptr->rettype, buf, &bufi);
+ }
+
+ memcpy (&buf[bufi], "_ftype", 6);
+ bufi += 6;
+
+ if (!protoptr->nargs)
+ {
+ memcpy (&buf[bufi], "_v", 2);
+ bufi += 2;
+ }
+ else
+ {
+ typelist *argptr = protoptr->args;
+ for (int i = 0; i < protoptr->nargs; i++, argptr = argptr->next)
+ {
+ assert (argptr);
+ buf[bufi++] = '_';
+ if (argptr->info.isconst
+ && argptr->info.base == BT_INT
+ && !argptr->info.ispointer)
+ {
+ buf[bufi++] = 'c';
+ buf[bufi++] = 'i';
+ continue;
+ }
+ if (argptr->info.ispointer)
+ {
+ if (argptr->info.isvoid)
+ {
+ if (argptr->info.isconst)
+ {
+ memcpy (&buf[bufi], "pcvoid", 6);
+ bufi += 6;
+ continue;
+ }
+ else
+ {
+ buf[bufi++] = 'p';
+ buf[bufi++] = 'v';
+ continue;
+ }
+ }
+ else
+ buf[bufi++] = 'p';
+ }
+
+ if (argptr->info.isunsigned)
+ buf[bufi++] = 'u';
+ if (argptr->info.isvector)
+ complete_vector_type (&argptr->info, buf, &bufi);
+ else
+ complete_base_type (&argptr->info, buf, &bufi);
+ }
+ assert (!argptr);
+ }
+
+ buf[bufi] = '\0';
+
+ /* Ignore return value, as duplicates are expected. */
+ (void) rbt_insert (&fntype_rbt, buf);
+
+ return buf;
+}
+
/* Parse a function prototype. This code is shared by the bif and overload
file processing. */
static parse_codes
@@ -1391,6 +1616,10 @@ parse_bif_entry (void)
if (parse_prototype (&bifs[curr_bif].proto) == PC_PARSEFAIL)
return PC_PARSEFAIL;
+ /* Build a function type descriptor identifier from the return type
+ and argument types, and store it if it does not already exist. */
+ bifs[curr_bif].fndecl = construct_fntype_id (&bifs[curr_bif].proto);
+
/* Now process line 2. First up is the builtin id. */
if (!advance_line (bif_file))
{
@@ -1568,6 +1797,10 @@ parse_ovld_entry (void)
if (ovlds[curr_ovld].proto.nargs > max_ovld_args)
max_ovld_args = ovlds[curr_ovld].proto.nargs;
+ /* Build a function type descriptor identifier from the return type
+ and argument types, and store it if it does not already exist. */
+ ovlds[curr_ovld].fndecl = construct_fntype_id (&ovlds[curr_ovld].proto);
+
/* Now process line 2, which just contains the builtin id and an
optional overload id. */
if (!advance_line (ovld_file))
--
2.27.0
next prev parent reply other threads:[~2021-06-17 15:21 UTC|newest]
Thread overview: 110+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-17 15:18 [PATCHv3 00/55] Replace the Power target-specific builtin machinery Bill Schmidt
2021-06-17 15:18 ` [PATCH 01/55] Support scanning of build-time GC roots in gengtype Bill Schmidt
2021-06-17 15:18 ` [PATCH 02/55] rs6000: Initial create of rs6000-gen-builtins.c Bill Schmidt
2021-06-17 15:18 ` [PATCH 03/55] rs6000: Add initial input files Bill Schmidt
2021-06-17 15:18 ` [PATCH 04/55] rs6000: Add file support and functions for diagnostic support Bill Schmidt
2021-06-17 15:18 ` [PATCH 05/55] rs6000: Add helper functions for parsing Bill Schmidt
2021-07-09 19:32 ` will schmidt
2021-07-14 22:58 ` Segher Boessenkool
2021-07-14 23:32 ` Segher Boessenkool
2021-06-17 15:18 ` [PATCH 06/55] rs6000: Add functions for matching types, part 1 of 3 Bill Schmidt
2021-06-17 15:18 ` [PATCH 07/55] rs6000: Add functions for matching types, part 2 " Bill Schmidt
2021-06-17 15:18 ` [PATCH 08/55] rs6000: Add functions for matching types, part 3 " Bill Schmidt
2021-06-17 15:18 ` [PATCH 09/55] rs6000: Red-black tree implementation for balanced tree search Bill Schmidt
2021-06-17 15:18 ` [PATCH 10/55] rs6000: Main function with stubs for parsing and output Bill Schmidt
2021-07-19 19:15 ` Segher Boessenkool
2021-07-20 22:19 ` Bill Schmidt
2021-07-20 23:22 ` Segher Boessenkool
2021-07-21 1:51 ` Bill Schmidt
2021-07-21 15:43 ` Segher Boessenkool
2021-07-21 16:08 ` Bill Schmidt
2021-07-21 16:16 ` Bill Schmidt
2021-06-17 15:18 ` [PATCH 11/55] rs6000: Parsing built-in input file, part 1 of 3 Bill Schmidt
2021-07-19 20:39 ` Segher Boessenkool
2021-06-17 15:18 ` [PATCH 12/55] rs6000: Parsing built-in input file, part 2 " Bill Schmidt
2021-07-19 22:07 ` Segher Boessenkool
2021-06-17 15:18 ` [PATCH 13/55] rs6000: Parsing built-in input file, part 3 " Bill Schmidt
2021-07-19 22:13 ` Segher Boessenkool
2021-06-17 15:18 ` [PATCH 14/55] rs6000: Parsing of overload input file Bill Schmidt
2021-07-19 23:09 ` Segher Boessenkool
2021-06-17 15:18 ` Bill Schmidt [this message]
2021-07-20 0:04 ` [PATCH 15/55] rs6000: Build and store function type identifiers Segher Boessenkool
2021-06-17 15:19 ` [PATCH 16/55] rs6000: Write output to the builtin definition include file Bill Schmidt
2021-07-20 23:27 ` Segher Boessenkool
2021-06-17 15:19 ` [PATCH 17/55] rs6000: Write output to the builtins header file Bill Schmidt
2021-07-20 23:40 ` Segher Boessenkool
2021-06-17 15:19 ` [PATCH 18/55] rs6000: Write output to the builtins init file, part 1 of 3 Bill Schmidt
2021-07-20 23:51 ` Segher Boessenkool
2021-06-17 15:19 ` [PATCH 19/55] rs6000: Write output to the builtins init file, part 2 " Bill Schmidt
2021-07-20 23:53 ` Segher Boessenkool
2021-06-17 15:19 ` [PATCH 20/55] rs6000: Write output to the builtins init file, part 3 " Bill Schmidt
2021-07-21 17:08 ` Segher Boessenkool
2021-06-17 15:19 ` [PATCH 21/55] rs6000: Write static initializations for built-in table Bill Schmidt
2021-07-21 17:14 ` Segher Boessenkool
2021-06-17 15:19 ` [PATCH 22/55] rs6000: Write static initializations for overload tables Bill Schmidt
2021-07-21 17:40 ` Segher Boessenkool
2021-06-17 15:19 ` [PATCH 23/55] rs6000: Incorporate new builtins code into the build machinery Bill Schmidt
2021-07-21 18:58 ` Segher Boessenkool
2021-07-27 3:26 ` Bill Schmidt
2021-07-27 14:23 ` Segher Boessenkool
2021-07-27 17:38 ` Bill Schmidt
2021-06-17 15:19 ` [PATCH 24/55] rs6000: Add gengtype handling to " Bill Schmidt
2021-06-17 15:19 ` [PATCH 25/55] rs6000: Add the rest of the [altivec] stanza to the builtins file Bill Schmidt
2021-06-17 15:19 ` [PATCH 26/55] rs6000: Add VSX builtins Bill Schmidt
2021-06-17 15:19 ` [PATCH 27/55] rs6000: Add available-everywhere and ancient builtins Bill Schmidt
2021-06-17 15:19 ` [PATCH 28/55] rs6000: Add power7 and power7-64 builtins Bill Schmidt
2021-06-17 15:19 ` [PATCH 29/55] rs6000: Add power8-vector builtins Bill Schmidt
2021-06-17 15:19 ` [PATCH 30/55] rs6000: Add Power9 builtins Bill Schmidt
2021-06-17 15:19 ` [PATCH 31/55] rs6000: Add more type nodes to support builtin processing Bill Schmidt
2021-06-17 15:19 ` [PATCH 32/55] rs6000: Add Power10 builtins Bill Schmidt
2021-06-17 15:19 ` [PATCH 33/55] rs6000: Add MMA builtins Bill Schmidt
2021-06-17 15:19 ` [PATCH 34/55] rs6000: Add miscellaneous builtins Bill Schmidt
2021-06-17 15:19 ` [PATCH 35/55] rs6000: Add Cell builtins Bill Schmidt
2021-06-17 15:19 ` [PATCH 36/55] rs6000: Add remaining overloads Bill Schmidt
2021-06-17 15:19 ` [PATCH 37/55] rs6000: Execute the automatic built-in initialization code Bill Schmidt
2021-06-17 15:19 ` [PATCH 38/55] rs6000: Darwin builtin support Bill Schmidt
2021-06-17 15:19 ` [PATCH 39/55] rs6000: Add sanity to V2DI_type_node definitions Bill Schmidt
2021-06-17 15:19 ` [PATCH 40/55] rs6000: Always initialize vector_pair and vector_quad nodes Bill Schmidt
2021-06-17 15:19 ` [PATCH 41/55] rs6000: Handle overloads during program parsing Bill Schmidt
2021-06-17 15:19 ` [PATCH 42/55] rs6000: Handle gimple folding of target built-ins Bill Schmidt
2021-07-28 21:21 ` will schmidt
2021-07-29 12:42 ` Bill Schmidt
2021-08-02 13:31 ` Bill Schmidt
2021-08-02 23:43 ` Segher Boessenkool
2021-06-17 15:19 ` [PATCH 43/55] rs6000: Support for vectorizing built-in functions Bill Schmidt
2021-06-17 15:19 ` [PATCH 44/55] rs6000: Builtin expansion, part 1 Bill Schmidt
2021-07-27 21:06 ` will schmidt
2021-07-28 3:30 ` Bill Schmidt
2021-06-17 15:19 ` [PATCH 45/55] rs6000: Builtin expansion, part 2 Bill Schmidt
2021-07-27 21:06 ` will schmidt
2021-06-17 15:19 ` [PATCH 46/55] rs6000: Builtin expansion, part 3 Bill Schmidt
2021-07-27 21:06 ` will schmidt
2021-08-03 23:40 ` Segher Boessenkool
2021-06-17 15:19 ` [PATCH 47/55] rs6000: Builtin expansion, part 4 Bill Schmidt
2021-07-27 21:06 ` will schmidt
2021-08-03 23:46 ` Segher Boessenkool
2021-08-04 0:34 ` Segher Boessenkool
2021-08-12 16:17 ` Bill Schmidt
2021-06-17 15:19 ` [PATCH 48/55] rs6000: Builtin expansion, part 5 Bill Schmidt
2021-07-27 21:07 ` will schmidt
2021-06-17 15:19 ` [PATCH 49/55] rs6000: Builtin expansion, part 6 Bill Schmidt
2021-07-27 21:07 ` will schmidt
2021-07-28 20:38 ` Bill Schmidt
2021-06-17 15:19 ` [PATCH 50/55] rs6000: Update rs6000_builtin_decl Bill Schmidt
2021-07-27 21:08 ` will schmidt
2021-08-04 0:38 ` Segher Boessenkool
2021-06-17 15:19 ` [PATCH 51/55] rs6000: Miscellaneous uses of rs6000_builtin_decls_x Bill Schmidt
2021-07-27 21:08 ` will schmidt
2021-06-17 15:19 ` [PATCH 52/55] rs6000: Debug support Bill Schmidt
2021-07-27 21:07 ` will schmidt
2021-08-04 0:49 ` Segher Boessenkool
2021-06-17 15:19 ` [PATCH 53/55] rs6000: Update altivec.h for automated interfaces Bill Schmidt
2021-07-27 21:07 ` will schmidt
2021-07-28 20:58 ` Bill Schmidt
2021-08-04 0:58 ` Segher Boessenkool
2021-06-17 15:19 ` [PATCH 54/55] rs6000: Test case adjustments Bill Schmidt
2021-06-17 15:19 ` [PATCH 55/55] rs6000: Enable the new builtin support Bill Schmidt
2021-07-27 21:07 ` will schmidt
2021-06-25 15:25 ` [PATCHv3 00/55] Replace the Power target-specific builtin machinery Bill Schmidt
2021-07-13 13:52 ` Bill Schmidt
-- strict thread matches above, loose matches on Subject: below --
2021-06-08 18:26 [PATCHv2 " Bill Schmidt
2021-06-08 18:26 ` [PATCH 15/55] rs6000: Build and store function type identifiers Bill Schmidt
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