Hexagon (target/hexagon) Remove log_reg_write from op_helper.[ch]

With the overrides added in prior commits, this function is not used
Remove references in macros.h

Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230427230012.3800327-7-tsimpson@quicinc.com>

target/hexagon/macros.h

@@ -343,10 +343,6 @@ static inline TCGv gen_read_ireg(TCGv result, TCGv val, int shift)
 
 #define fREAD_LR() (env->gpr[HEX_REG_LR])
 
-#define fWRITE_LR(A) log_reg_write(env, HEX_REG_LR, A)
-#define fWRITE_FP(A) log_reg_write(env, HEX_REG_FP, A)
-#define fWRITE_SP(A) log_reg_write(env, HEX_REG_SP, A)
-
 #define fREAD_SP() (env->gpr[HEX_REG_SP])
 #define fREAD_LC0 (env->gpr[HEX_REG_LC0])
 #define fREAD_LC1 (env->gpr[HEX_REG_LC1])
@@ -371,16 +367,6 @@ static inline TCGv gen_read_ireg(TCGv result, TCGv val, int shift)
 #define fBRANCH(LOC, TYPE)          fWRITE_NPC(LOC)
 #define fJUMPR(REGNO, TARGET, TYPE) fBRANCH(TARGET, COF_TYPE_JUMPR)
 #define fHINTJR(TARGET) { /* Not modelled in qemu */}
-#define fWRITE_LOOP_REGS0(START, COUNT) \
-    do { \
-        log_reg_write(env, HEX_REG_LC0, COUNT);  \
-        log_reg_write(env, HEX_REG_SA0, START); \
-    } while (0)
-#define fWRITE_LOOP_REGS1(START, COUNT) \
-    do { \
-        log_reg_write(env, HEX_REG_LC1, COUNT);  \
-        log_reg_write(env, HEX_REG_SA1, START);\
-    } while (0)
 
 #define fSET_OVERFLOW() SET_USR_FIELD(USR_OVF, 1)
 #define fSET_LPCFG(VAL) SET_USR_FIELD(USR_LPCFG, (VAL))

target/hexagon/op_helper.c

@@ -52,23 +52,6 @@ G_NORETURN void HELPER(raise_exception)(CPUHexagonState *env, uint32_t excp)
     do_raise_exception_err(env, excp, 0);
 }
 
-void log_reg_write(CPUHexagonState *env, int rnum,
-                   target_ulong val)
-{
-    HEX_DEBUG_LOG("log_reg_write[%d] = " TARGET_FMT_ld " (0x" TARGET_FMT_lx ")",
-                  rnum, val, val);
-    if (val == env->gpr[rnum]) {
-        HEX_DEBUG_LOG(" NO CHANGE");
-    }
-    HEX_DEBUG_LOG("\n");
-
-    env->new_value[rnum] = val;
-    if (HEX_DEBUG) {
-        /* Do this so HELPER(debug_commit_end) will know */
-        env->reg_written[rnum] = 1;
-    }
-}
-
 static void log_pred_write(CPUHexagonState *env, int pnum, target_ulong val)
 {
     HEX_DEBUG_LOG("log_pred_write[%d] = " TARGET_FMT_ld

target/hexagon/op_helper.h

@@ -19,15 +19,11 @@
 #define HEXAGON_OP_HELPER_H
 
 /* Misc functions */
-void write_new_pc(CPUHexagonState *env, bool pkt_has_multi_cof, target_ulong addr);
-
 uint8_t mem_load1(CPUHexagonState *env, uint32_t slot, target_ulong vaddr);
 uint16_t mem_load2(CPUHexagonState *env, uint32_t slot, target_ulong vaddr);
 uint32_t mem_load4(CPUHexagonState *env, uint32_t slot, target_ulong vaddr);
 uint64_t mem_load8(CPUHexagonState *env, uint32_t slot, target_ulong vaddr);
 
-void log_reg_write(CPUHexagonState *env, int rnum,
-                   target_ulong val);
 void log_store64(CPUHexagonState *env, target_ulong addr,
                  int64_t val, int width, int slot);
 void log_store32(CPUHexagonState *env, target_ulong addr,