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riscv-gcc-1
Commit 8c9be447 by Richard Kenner
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({MASK,TARGET}_STACK_PROBE): New macros. 

(TARGET_SWITCHES): Add -fstack-arg-probe.

From-SVN: r12710
parent 8dfe5673
Showing with 4 additions and 0 deletions
gcc/config/i386/i386.h
...@@ -95,6 +95,7 @@ extern int target_flags; ...@@ -95,6 +95,7 @@ extern int target_flags;
#define MASK_NO_PSEUDO 000010000000 /* Move op's args -> pseudos */ #define MASK_NO_PSEUDO 000010000000 /* Move op's args -> pseudos */
#define MASK_DEBUG_ARG 000020000000 /* Debug function_arg */ #define MASK_DEBUG_ARG 000020000000 /* Debug function_arg */
#define MASK_SCHEDULE_PROLOGUE 000040000000 /* Emit prologue as rtl */ #define MASK_SCHEDULE_PROLOGUE 000040000000 /* Emit prologue as rtl */
#define MASK_STACK_PROBE 000100000000 /* Enable stack probing */
/* Use the floating point instructions */ /* Use the floating point instructions */
#define TARGET_80387 (target_flags & MASK_80387) #define TARGET_80387 (target_flags & MASK_80387)
...@@ -165,6 +166,7 @@ extern int target_flags; ...@@ -165,6 +166,7 @@ extern int target_flags;
#define TARGET_USE_ANY_REG (ix86_cpu == PROCESSOR_I486) #define TARGET_USE_ANY_REG (ix86_cpu == PROCESSOR_I486)
#define TARGET_CMOVE (ix86_isa == PROCESSOR_PENTIUMPRO) #define TARGET_CMOVE (ix86_isa == PROCESSOR_PENTIUMPRO)
#define TARGET_DEEP_BRANCH_PREDICTION (ix86_cpu == PROCESSOR_PENTIUMPRO) #define TARGET_DEEP_BRANCH_PREDICTION (ix86_cpu == PROCESSOR_PENTIUMPRO)
#define TARGET_STACK_PROBE (target_flags & MASK_STACK_PROBE)
#define TARGET_SWITCHES \ #define TARGET_SWITCHES \
{ { "80387", MASK_80387 }, \ { { "80387", MASK_80387 }, \
...@@ -202,6 +204,8 @@ extern int target_flags; ...@@ -202,6 +204,8 @@ extern int target_flags;
{ "no-move", MASK_NO_MOVE }, \ { "no-move", MASK_NO_MOVE }, \
{ "debug-arg", MASK_DEBUG_ARG }, \ { "debug-arg", MASK_DEBUG_ARG }, \
{ "no-debug-arg", -MASK_DEBUG_ARG }, \ { "no-debug-arg", -MASK_DEBUG_ARG }, \
{ "stack-arg-probe", MASK_STACK_PROBE }, \
{ "no-stack-arg-probe", -MASK_STACK_PROBE }, \
SUBTARGET_SWITCHES \ SUBTARGET_SWITCHES \
{ "", MASK_SCHEDULE_PROLOGUE | TARGET_DEFAULT}} { "", MASK_SCHEDULE_PROLOGUE | TARGET_DEFAULT}}
......
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