From: Bill Schmidt <wschmidt@linux.ibm.com>
To: gcc-patches@gcc.gnu.org
Cc: segher@kernel.crashing.org, dje.gcc@gmail.com, jakub@redhat.com,
jlaw@tachyum.com, Bill Schmidt <wschmidt@linux.ibm.com>
Subject: [PATCH 16/57] rs6000: Build and store function type identifiers
Date: Tue, 27 Apr 2021 10:32:51 -0500 [thread overview]
Message-ID: <900e1c2fc9be442198f2adb59a015606dbe333b7.1619537141.git.wschmidt@linux.ibm.com> (raw)
In-Reply-To: <cover.1619537141.git.wschmidt@linux.ibm.com>
2021-04-02 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 construct_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 d5deefbfd3b..0358ff26414 100644
--- a/gcc/config/rs6000/rs6000-gen-builtins.c
+++ b/gcc/config/rs6000/rs6000-gen-builtins.c
@@ -1313,6 +1313,231 @@ 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 (EC_INTERR);
+ }
+ }
+}
+
+/* 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 (EC_INTERR);
+ }
+
+ *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
@@ -1425,6 +1650,10 @@ parse_bif_entry ()
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))
{
@@ -1602,6 +1831,10 @@ parse_ovld_entry ()
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:[~2021-04-27 15:34 UTC|newest]
Thread overview: 99+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-27 15:32 [PATCH 00/57] Replace the Power target-specific built-in machinery Bill Schmidt
2021-04-27 15:32 ` [PATCH 01/57] Allow targets to specify build dependencies for out_object_file Bill Schmidt
2021-04-27 15:57 ` Jakub Jelinek
2021-04-27 16:14 ` Bill Schmidt
2021-04-27 16:47 ` Jakub Jelinek
2021-04-27 17:44 ` Bill Schmidt
2021-04-27 15:32 ` [PATCH 02/57] Support scanning of build-time GC roots in gengtype Bill Schmidt
2021-05-11 16:01 ` Bill Schmidt
2021-05-20 22:24 ` Segher Boessenkool
2021-06-04 19:03 ` Bill Schmidt
2021-06-07 10:39 ` Richard Sandiford
2021-06-07 12:35 ` Bill Schmidt
2021-06-07 13:36 ` Richard Biener
2021-06-07 15:38 ` Bill Schmidt
2021-06-07 17:45 ` Richard Biener
2021-06-07 17:48 ` Bill Schmidt
2021-06-08 20:45 ` Bill Schmidt
2021-06-09 10:53 ` Richard Biener
2021-06-09 10:54 ` Richard Biener
2021-06-09 12:53 ` Bill Schmidt
2021-05-20 22:19 ` Segher Boessenkool
2021-04-27 15:32 ` [PATCH 03/57] rs6000: Initial create of rs6000-gen-builtins.c Bill Schmidt
2021-05-20 22:32 ` Segher Boessenkool
2021-04-27 15:32 ` [PATCH 04/57] rs6000: Add initial input files Bill Schmidt
2021-05-20 22:46 ` Segher Boessenkool
2021-05-21 12:58 ` Bill Schmidt
2021-04-27 15:32 ` [PATCH 05/57] rs6000: Add file support and functions for diagnostic support Bill Schmidt
2021-05-20 23:03 ` Segher Boessenkool
2021-05-21 13:06 ` Bill Schmidt
2021-04-27 15:32 ` [PATCH 06/57] rs6000: Add helper functions for parsing Bill Schmidt
2021-05-21 18:51 ` Segher Boessenkool
2021-05-21 20:56 ` Bill Schmidt
2021-05-21 23:43 ` Segher Boessenkool
2021-06-01 15:50 ` Bill Schmidt
2021-05-23 22:37 ` Bernhard Reutner-Fischer
2021-05-24 21:35 ` Segher Boessenkool
2021-04-27 15:32 ` [PATCH 07/57] rs6000: Add functions for matching types, part 1 of 3 Bill Schmidt
2021-05-21 20:50 ` Segher Boessenkool
2021-04-27 15:32 ` [PATCH 08/57] rs6000: Add functions for matching types, part 2 " Bill Schmidt
2021-05-21 21:36 ` Segher Boessenkool
2021-04-27 15:32 ` [PATCH 09/57] rs6000: Add functions for matching types, part 3 " Bill Schmidt
2021-05-21 21:46 ` Segher Boessenkool
2021-04-27 15:32 ` [PATCH 10/57] rs6000: Red-black tree implementation for balanced tree search Bill Schmidt
2021-05-21 22:29 ` Segher Boessenkool
2021-04-27 15:32 ` [PATCH 11/57] rs6000: Main function with stubs for parsing and output Bill Schmidt
2021-04-27 15:32 ` [PATCH 12/57] rs6000: Parsing built-in input file, part 1 of 3 Bill Schmidt
2021-04-27 15:32 ` [PATCH 13/57] rs6000: Parsing built-in input file, part 2 " Bill Schmidt
2021-04-27 15:32 ` [PATCH 14/57] rs6000: Parsing built-in input file, part 3 " Bill Schmidt
2021-04-27 15:32 ` [PATCH 15/57] rs6000: Parsing of overload input file Bill Schmidt
2021-04-27 15:32 ` Bill Schmidt [this message]
2021-04-27 15:32 ` [PATCH 17/57] rs6000: Write output to the builtin definition include file Bill Schmidt
2021-04-27 15:32 ` [PATCH 18/57] rs6000: Write output to the builtins header file Bill Schmidt
2021-04-27 15:32 ` [PATCH 19/57] rs6000: Write output to the builtins init file, part 1 of 3 Bill Schmidt
2021-04-27 15:32 ` [PATCH 20/57] rs6000: Write output to the builtins init file, part 2 " Bill Schmidt
2021-04-27 15:32 ` [PATCH 21/57] rs6000: Write output to the builtins init file, part 3 " Bill Schmidt
2021-04-27 15:32 ` [PATCH 22/57] rs6000: Write static initializations for built-in table Bill Schmidt
2021-04-27 15:32 ` [PATCH 23/57] rs6000: Write static initializations for overload tables Bill Schmidt
2021-04-27 15:32 ` [PATCH 24/57] rs6000: Incorporate new builtins code into the build machinery Bill Schmidt
2021-04-27 15:33 ` [PATCH 25/57] rs6000: Add gengtype handling to " Bill Schmidt
2021-04-27 15:33 ` [PATCH 26/57] rs6000: Add the rest of the [altivec] stanza to the builtins file Bill Schmidt
2021-04-27 15:33 ` [PATCH 27/57] rs6000: Add VSX builtins Bill Schmidt
2021-04-27 15:33 ` [PATCH 28/57] rs6000: Add available-everywhere and ancient builtins Bill Schmidt
2021-04-27 15:33 ` [PATCH 29/57] rs6000: Add power7 and power7-64 builtins Bill Schmidt
2021-04-27 15:33 ` [PATCH 30/57] rs6000: Add power8-vector builtins Bill Schmidt
2021-04-27 15:33 ` [PATCH 31/57] rs6000: Add Power9 builtins Bill Schmidt
2021-04-27 15:33 ` [PATCH 32/57] rs6000: Add more type nodes to support builtin processing Bill Schmidt
2021-04-27 15:33 ` [PATCH 33/57] rs6000: Add Power10 builtins Bill Schmidt
2021-04-27 15:33 ` [PATCH 34/57] rs6000: Add MMA builtins Bill Schmidt
2021-04-27 15:33 ` [PATCH 35/57] rs6000: Add miscellaneous builtins Bill Schmidt
2021-04-27 15:33 ` [PATCH 36/57] rs6000: Add Cell builtins Bill Schmidt
2021-04-27 15:33 ` [PATCH 37/57] rs6000: Add remaining overloads Bill Schmidt
2021-04-27 15:33 ` [PATCH 38/57] rs6000: Execute the automatic built-in initialization code Bill Schmidt
2021-04-27 15:33 ` [PATCH 39/57] rs6000: Darwin builtin support Bill Schmidt
2021-04-30 20:05 ` Iain Sandoe
2021-04-27 15:33 ` [PATCH 40/57] rs6000: Add sanity to V2DI_type_node definitions Bill Schmidt
2021-04-27 15:33 ` [PATCH 41/57] rs6000: Always initialize vector_pair and vector_quad nodes Bill Schmidt
2021-04-27 15:33 ` [PATCH 42/57] rs6000: Handle overloads during program parsing Bill Schmidt
2021-04-27 15:33 ` [PATCH 43/57] rs6000: Handle gimple folding of target built-ins Bill Schmidt
2021-04-27 15:33 ` [PATCH 44/57] rs6000: Support for vectorizing built-in functions Bill Schmidt
2021-04-27 15:33 ` [PATCH 45/57] rs6000: Builtin expansion, part 1 Bill Schmidt
2021-04-27 15:33 ` [PATCH 46/57] rs6000: Builtin expansion, part 2 Bill Schmidt
2021-04-27 15:33 ` [PATCH 47/57] rs6000: Builtin expansion, part 3 Bill Schmidt
2021-04-27 15:33 ` [PATCH 48/57] rs6000: Builtin expansion, part 4 Bill Schmidt
2021-04-27 15:33 ` [PATCH 49/57] rs6000: Builtin expansion, part 5 Bill Schmidt
2021-04-27 15:33 ` [PATCH 50/57] rs6000: Builtin expansion, part 6 Bill Schmidt
2021-04-27 15:33 ` [PATCH 51/57] rs6000: Update rs6000_builtin_decl Bill Schmidt
2021-04-27 15:33 ` [PATCH 52/57] rs6000: Miscellaneous uses of rs6000_builtin_decls_x Bill Schmidt
2021-04-27 15:33 ` [PATCH 53/57] rs6000: Debug support Bill Schmidt
2021-04-27 15:33 ` [PATCH 54/57] rs6000: Update altivec.h for automated interfaces Bill Schmidt
2021-04-27 15:33 ` [PATCH 55/57] rs6000: Test case adjustments Bill Schmidt
2021-04-27 15:33 ` [PATCH 56/57] rs6000: Enable the new builtin support Bill Schmidt
2021-04-27 15:33 ` [PATCH 57/57] rs6000: Adjust to late-breaking change Bill Schmidt
2021-04-30 12:38 ` [PATCH "58/57"] rs6000: Avoid problems with undefined decimal float types Bill Schmidt
2021-04-30 12:42 ` [PATCH "59/57"] rs6000: Fix builtins that should have been available everywhere Bill Schmidt
2021-04-30 18:55 ` [PATCH "60/57"] rs6000: Fix AltiVec builtin marked as VSX Bill Schmidt
2021-05-11 15:57 ` [PATCH 00/57] Replace the Power target-specific built-in machinery Bill Schmidt
2021-05-11 23:20 ` Segher Boessenkool
2021-05-20 21:57 ` Segher Boessenkool
2021-05-21 12:53 ` Bill Schmidt
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