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Preparations for IA64/VMS
- From: kenner at vlsi1 dot ultra dot nyu dot edu (Richard Kenner)
- To: gcc-patches at gcc dot gnu dot org
- Date: Fri, 10 Oct 03 18:46:41 EDT
- Subject: Preparations for IA64/VMS
The patch makes some changes to ia64.c and ia64.h that don't do anything
for any current configuration but pave the way for the IA64/VMS port.
Mostly these correct support for the Intel assembler (non-GAS).
2003-10-10 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* config/ia64/ia64.c (ia64_vms_init_libfuncs): New function.
(ia64_output_function_prologue): Only write .prologue if --with-gnu-as.
(ia64_initialize_trampoline): If not using GAS, declare trampoline
as global.
* config/ia64/ia64.h (ASM_APP_ON, ASM_APP_OFF): Add vers for not GAS.
(ASM_OUTPUT_DEBUG_LABEL): Likewise.
*** config/ia64/ia64.c 7 Oct 2003 02:23:40 -0000 1.251
--- config/ia64/ia64.c 10 Oct 2003 21:52:46 -0000
*************** static void ia64_hpux_file_end (void)
*** 256,259 ****
--- 256,261 ----
static void ia64_hpux_init_libfuncs (void)
ATTRIBUTE_UNUSED;
+ static void ia64_vms_init_libfuncs (void)
+ ATTRIBUTE_UNUSED;
static tree ia64_handle_model_attribute (tree *, tree, tree, int, bool *);
*************** ia64_output_function_prologue (FILE *fil
*** 3133,3137 ****
}
! if (mask)
fprintf (file, "\t.prologue %d, %d\n", mask,
ia64_dbx_register_number (grsave));
--- 3135,3139 ----
}
! if (mask && TARGET_GNU_AS)
fprintf (file, "\t.prologue %d, %d\n", mask,
ia64_dbx_register_number (grsave));
*************** ia64_initialize_trampoline (rtx addr, rt
*** 3216,3219 ****
--- 3218,3234 ----
rtx addr_reg, eight = GEN_INT (8);
+ /* The Intel assembler requires that the global __ia64_trampoline symbol
+ be declared explicitly */
+ if (!TARGET_GNU_AS)
+ {
+ static bool declared_ia64_trampoline = false;
+
+ if (!declared_ia64_trampoline)
+ {
+ declared_ia64_trampoline = true;
+ fputs ("\t.global\t__ia64_trampoline\n", asm_out_file);
+ }
+ }
+
/* Load up our iterator. */
addr_reg = gen_reg_rtx (Pmode);
*************** ia64_hpux_file_end (void)
*** 8308,8311 ****
--- 8323,8327 ----
/* Rename all the TFmode libfuncs using the HPUX conventions. */
+
static void
ia64_hpux_init_libfuncs (void)
*************** ia64_hpux_init_libfuncs (void)
*** 8339,8342 ****
--- 8355,8373 ----
set_conv_libfunc (sfloat_optab, TFmode, SImode, "_U_Qfcnvxf_sgl_to_quad");
set_conv_libfunc (sfloat_optab, TFmode, DImode, "_U_Qfcnvxf_dbl_to_quad");
+ }
+
+ /* Rename the division and modulus functions in VMS. */
+
+ static void
+ ia64_vms_init_libfuncs (void)
+ {
+ set_optab_libfunc (sdiv_optab, SImode, "OTS$DIV_I");
+ set_optab_libfunc (sdiv_optab, DImode, "OTS$DIV_L");
+ set_optab_libfunc (udiv_optab, SImode, "OTS$DIV_UI");
+ set_optab_libfunc (udiv_optab, DImode, "OTS$DIV_UL");
+ set_optab_libfunc (smod_optab, SImode, "OTS$REM_I");
+ set_optab_libfunc (smod_optab, DImode, "OTS$REM_L");
+ set_optab_libfunc (umod_optab, SImode, "OTS$REM_UI");
+ set_optab_libfunc (umod_optab, DImode, "OTS$REM_UL");
}
*** config/ia64/ia64.h 27 Sep 2003 04:48:19 -0000 1.157
--- config/ia64/ia64.h 10 Oct 2003 21:52:49 -0000
*************** do { \
*** 1746,1760 ****
group of consecutive ones. */
! /* ??? This won't work with the Intel assembler, because it does not accept
! # as a comment start character. However, //APP does not work in gas, so we
! can't use that either. Same problem for ASM_APP_OFF below. */
!
! #define ASM_APP_ON "#APP\n"
/* A C string constant for text to be output after each `asm' statement or
group of consecutive ones. */
! #define ASM_APP_OFF "#NO_APP\n"
!
/* Output of Uninitialized Variables. */
--- 1746,1755 ----
group of consecutive ones. */
! #define ASM_APP_ON (TARGET_GNU_AS ? "#APP\n" : "//APP\n")
/* A C string constant for text to be output after each `asm' statement or
group of consecutive ones. */
! #define ASM_APP_OFF (TARGET_GNU_AS ? "#NO_APP\n" : "//NO_APP\n")
/* Output of Uninitialized Variables. */
*************** do { \
*** 2134,2138 ****
#define ASM_OUTPUT_DEBUG_LABEL(FILE, PREFIX, NUM) \
! fprintf (FILE, "[.%s%d:]\n", PREFIX, NUM)
/* Use section-relative relocations for debugging offsets. Unlike other
--- 2129,2133 ----
#define ASM_OUTPUT_DEBUG_LABEL(FILE, PREFIX, NUM) \
! fprintf (FILE, TARGET_GNU_AS ? "[.%s%d:]\n" : ".%s%d:\n", PREFIX, NUM)
/* Use section-relative relocations for debugging offsets. Unlike other