#include "disas.h"
#include "tcg-op.h"
#include "qemu-common.h"
+#include "host-utils.h"
#include "helper.h"
#define GEN_HELPER 1
tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_SO | 1 << XER_OV | 1 << XER_CA));
}
-/* mfcr */
+/* mfcr mfocrf */
GEN_HANDLER(mfcr, 0x1F, 0x13, 0x00, 0x00000801, PPC_MISC)
{
uint32_t crm, crn;
if (likely(ctx->opcode & 0x00100000)) {
crm = CRM(ctx->opcode);
if (likely(crm && ((crm & (crm - 1)) == 0))) {
- crn = ffs (crm) - 1;
+ crn = ctz32 (crm);
tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], cpu_crf[7 - crn]);
tcg_gen_shli_i32(cpu_gpr[rD(ctx->opcode)],
cpu_gpr[rD(ctx->opcode)], crn * 4);
gen_op_mfspr(ctx);
}
-/* mtcrf */
+/* mtcrf mtocrf*/
GEN_HANDLER(mtcrf, 0x1F, 0x10, 0x04, 0x00000801, PPC_MISC)
{
uint32_t crm, crn;
if (likely((ctx->opcode & 0x00100000))) {
if (crm && ((crm & (crm - 1)) == 0)) {
TCGv_i32 temp = tcg_temp_new_i32();
- crn = ffs (crm) - 1;
+ crn = ctz32 (crm);
tcg_gen_trunc_tl_i32(temp, cpu_gpr[rS(ctx->opcode)]);
- tcg_gen_shri_i32(cpu_crf[7 - crn], temp, crn * 4);
- tcg_gen_andi_i32(cpu_crf[7 - crn], cpu_crf[7 - crn], 0xf);
+ tcg_gen_shri_i32(temp, temp, crn * 4);
+ tcg_gen_andi_i32(cpu_crf[7 - crn], temp, 0xf);
tcg_temp_free_i32(temp);
}
} else {