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authorAurelien Jarno <aurelien@aurel32.net>2015-09-13 23:07:59 +0200
committerLeon Alrae <leon.alrae@imgtec.com>2015-09-18 09:20:48 +0100
commitb307446e04232b3a87e9da04886895a8e5a4a407 (patch)
tree016d8a040bd140098f66bdeae1da5dc20360bcef
parent9d68ac14dab3f5af33a6b23458941dc6fb261fce (diff)
target-mips: get rid of MIPS_DEBUG_SIGN_EXTENSIONS
MIPS_DEBUG_SIGN_EXTENSIONS was used sometimes ago to verify that 32-bit instructions correctly sign extend their results. It's now not need anymore, remove it. Cc: Leon Alrae <leon.alrae@imgtec.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> Reviewed-by: Leon Alrae <leon.alrae@imgtec.com> Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
-rw-r--r--target-mips/translate.c39
1 files changed, 0 insertions, 39 deletions
diff --git a/target-mips/translate.c b/target-mips/translate.c
index e02b8d76f5..cd0cf8b655 100644
--- a/target-mips/translate.c
+++ b/target-mips/translate.c
@@ -33,9 +33,7 @@
#include "trace-tcg.h"
-
#define MIPS_DEBUG_DISAS 0
-//#define MIPS_DEBUG_SIGN_EXTENSIONS
/* MIPS major opcodes */
#define MASK_OP_MAJOR(op) (op & (0x3F << 26))
@@ -19800,40 +19798,6 @@ static void fpu_dump_state(CPUMIPSState *env, FILE *f, fprintf_function fpu_fpri
#undef printfpr
}
-#if defined(TARGET_MIPS64) && defined(MIPS_DEBUG_SIGN_EXTENSIONS)
-/* Debug help: The architecture requires 32bit code to maintain proper
- sign-extended values on 64bit machines. */
-
-#define SIGN_EXT_P(val) ((((val) & ~0x7fffffff) == 0) || (((val) & ~0x7fffffff) == ~0x7fffffff))
-
-static void
-cpu_mips_check_sign_extensions (CPUMIPSState *env, FILE *f,
- fprintf_function cpu_fprintf,
- int flags)
-{
- int i;
-
- if (!SIGN_EXT_P(env->active_tc.PC))
- cpu_fprintf(f, "BROKEN: pc=0x" TARGET_FMT_lx "\n", env->active_tc.PC);
- if (!SIGN_EXT_P(env->active_tc.HI[0]))
- cpu_fprintf(f, "BROKEN: HI=0x" TARGET_FMT_lx "\n", env->active_tc.HI[0]);
- if (!SIGN_EXT_P(env->active_tc.LO[0]))
- cpu_fprintf(f, "BROKEN: LO=0x" TARGET_FMT_lx "\n", env->active_tc.LO[0]);
- if (!SIGN_EXT_P(env->btarget))
- cpu_fprintf(f, "BROKEN: btarget=0x" TARGET_FMT_lx "\n", env->btarget);
-
- for (i = 0; i < 32; i++) {
- if (!SIGN_EXT_P(env->active_tc.gpr[i]))
- cpu_fprintf(f, "BROKEN: %s=0x" TARGET_FMT_lx "\n", regnames[i], env->active_tc.gpr[i]);
- }
-
- if (!SIGN_EXT_P(env->CP0_EPC))
- cpu_fprintf(f, "BROKEN: EPC=0x" TARGET_FMT_lx "\n", env->CP0_EPC);
- if (!SIGN_EXT_P(env->lladdr))
- cpu_fprintf(f, "BROKEN: LLAddr=0x" TARGET_FMT_lx "\n", env->lladdr);
-}
-#endif
-
void mips_cpu_dump_state(CPUState *cs, FILE *f, fprintf_function cpu_fprintf,
int flags)
{
@@ -19865,9 +19829,6 @@ void mips_cpu_dump_state(CPUState *cs, FILE *f, fprintf_function cpu_fprintf,
env->CP0_Config4, env->CP0_Config5);
if (env->hflags & MIPS_HFLAG_FPU)
fpu_dump_state(env, f, cpu_fprintf, flags);
-#if defined(TARGET_MIPS64) && defined(MIPS_DEBUG_SIGN_EXTENSIONS)
- cpu_mips_check_sign_extensions(env, f, cpu_fprintf, flags);
-#endif
}
void mips_tcg_init(void)