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2010-08-03 Chung-Lin Tang <cltang@codesourcery.com>
Backport from mainline:
gcc/
2010-07-28 Chung-Lin Tang <cltang@codesourcery.com>
* config/arm/arm.c (arm_pcs_default): Remove static.
* config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __ARM_PCS or
__ARM_PCS_VFP to indicate soft/hard-float calling convention.
(arm_pcs_default): Declare.
2010-07-16 Jie Zhang <jie@codesourcery.com>
Issue #7688
=== modified file 'gcc/config/arm/arm.c'
--- old/gcc/config/arm/arm.c 2010-08-02 13:42:24 +0000
+++ new/gcc/config/arm/arm.c 2010-08-03 13:55:46 +0000
@@ -704,7 +704,7 @@
/* The maximum number of insns to be used when loading a constant. */
static int arm_constant_limit = 3;
-static enum arm_pcs arm_pcs_default;
+enum arm_pcs arm_pcs_default;
/* For an explanation of these variables, see final_prescan_insn below. */
int arm_ccfsm_state;
=== modified file 'gcc/config/arm/arm.h'
--- old/gcc/config/arm/arm.h 2010-07-29 16:58:56 +0000
+++ new/gcc/config/arm/arm.h 2010-08-03 10:40:56 +0000
@@ -94,7 +94,13 @@
if (arm_arch_iwmmxt) \
builtin_define ("__IWMMXT__"); \
if (TARGET_AAPCS_BASED) \
- builtin_define ("__ARM_EABI__"); \
+ { \
+ if (arm_pcs_default == ARM_PCS_AAPCS_VFP) \
+ builtin_define ("__ARM_PCS_VFP"); \
+ else if (arm_pcs_default == ARM_PCS_AAPCS) \
+ builtin_define ("__ARM_PCS"); \
+ builtin_define ("__ARM_EABI__"); \
+ } \
} while (0)
/* The various ARM cores. */
@@ -1648,6 +1654,9 @@
ARM_PCS_UNKNOWN
};
+/* Default procedure calling standard of current compilation unit. */
+extern enum arm_pcs arm_pcs_default;
+
/* A C type for declaring a variable that is used as the first argument of
`FUNCTION_ARG' and other related values. */
typedef struct
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