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authorLeif Ekblad <leif@rdos.net>2013-01-28 20:42:55 +0000
committerUros Bizjak <uros@gcc.gnu.org>2013-01-28 21:42:55 +0100
commit5a579c3b65d5571b3d10d2b7e22d4c1915cc6b1c (patch)
treec3f559b64cf44eaeefcf685c815fe50c2af35c64 /gcc/config/i386/i386.h
parent51e44392b3084a2bb00aa185f42f538a61c7befe (diff)
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config.gcc (i[34567]86-*-rdos*, [...]): New targets.
* config.gcc (i[34567]86-*-rdos*, x86_64-*-rdos*): New targets. * config/i386/i386.h (TARGET_RDOS): New macro. (DEFAULT_LARGE_SECTION_THRESHOLD): New macro. * config/i386/i386.c (ix86_option_override_internal): For 64bit TARGET_RDOS, set ix86_cmodel to CM_MEDIUM_PIC and flag_pic to 1. * config/i386/i386.opt (mlarge-data-threshold): Initialize to DEFAULT_LARGE_SECTION_THRESHOLD. * config/i386/i386.md (R14_REG, R15_REG): New constants. * config/i386/rdos.h: New file. * config/i386/rdos64.h: New file. From-SVN: r195516
Diffstat (limited to 'gcc/config/i386/i386.h')
-rw-r--r--gcc/config/i386/i386.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/config/i386/i386.h b/gcc/config/i386/i386.h
index af293b4..a69862c 100644
--- a/gcc/config/i386/i386.h
+++ b/gcc/config/i386/i386.h
@@ -518,6 +518,9 @@ extern tree x86_mfence;
#define MACHOPIC_INDIRECT 0
#define MACHOPIC_PURE 0
+/* For the RDOS */
+#define TARGET_RDOS 0
+
/* For the Windows 64-bit ABI. */
#define TARGET_64BIT_MS_ABI (TARGET_64BIT && ix86_cfun_abi () == MS_ABI)
@@ -2081,6 +2084,10 @@ do { \
asm (SECTION_OP "\n\t" \
"call " CRT_MKSTR(__USER_LABEL_PREFIX__) #FUNC "\n" \
TEXT_SECTION_ASM_OP);
+
+/* Default threshold for putting data in large sections
+ with x86-64 medium memory model */
+#define DEFAULT_LARGE_SECTION_THRESHOLD 65536
/* Which processor to tune code generation for. */