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target-mips: get rid of MIPS_DEBUG_SIGN_EXTENSIONS

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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.

Backports commit b307446e04232b3a87e9da04886895a8e5a4a407 from qemu
This commit is contained in:
Aurelien Jarno 2018-02-15 15:46:50 -05:00 committed by Lioncash
parent c48b0f76ee
commit 0045d99f38
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GPG key ID: 4E3C3CC1031BA9C7
1 changed files with 0 additions and 35 deletions
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35
qemu/target-mips/translate.c
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@ -31,7 +31,6 @@
#include "exec/gen-icount.h"
#define MIPS_DEBUG_DISAS 0
//#define MIPS_DEBUG_SIGN_EXTENSIONS
/* MIPS major opcodes */
#define MASK_OP_MAJOR(op) (op & (0x3F << 26))
@ -20585,40 +20584,6 @@ static void fpu_dump_state(CPUMIPSState *env, FILE *f, fprintf_function fpu_fpri
}
#endif
#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_tcg_init(struct uc_struct *uc)
{
TCGContext *tcg_ctx = uc->tcg_ctx;