OpenE2K
/
qemu-e2k
13
4
Fork 0
Code Issues 4 Pull Requests Projects 2 Releases Activity

target: e2k: Add clarification to gen_tag funcs.

This commit is contained in:
Denis Drakhnia 2020-12-07 10:22:02 +02:00 committed by Denis Drakhnia
parent e19c72c5df
commit 7bdf849174
2 changed files with 21 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
target/e2k/cpu.h
View File

@ -38,6 +38,13 @@ void e2k_tcg_initialize(void);
#define E2K_PR_COUNT 32 /* %predN [0, 32) */
typedef enum {
E2K_TAG_NUMBER32 = 0,
E2K_TAG_NUMBER64 = 0,
E2K_TAG_NON_NUMBER32 = 1,
E2K_TAG_NON_NUMBER64 = 5,
} E2kRegisterTag;
#define CTPR_BASE_OFF 0
#define CTPR_BASE_END 47
#define CTPR_BASE_LEN (CTPR_BASE_END - CTPR_BASE_OFF + 1)

17
target/e2k/translate/alc.c
View File

@ -258,6 +258,9 @@ static inline Src32 get_src4_i32(DisasContext *ctx, int chan)
return ret;
}
/*
* Returns zero if all @args is zero otherwise returns @tag.
*/
static inline void gen_tag3(TCGv_i32 ret, int tag, TCGv_i32 arg1, TCGv_i32 arg2,
TCGv_i32 arg3)
{
@ -293,11 +296,19 @@ static inline void gen_tag1(TCGv_i32 ret, int tag, TCGv_i32 arg1)
gen_tag2(ret, tag, arg1, NULL);
}
#define gen_tag3_i64(ret, a1, a2, a3) gen_tag3((ret), 5, (a1), (a2), (a3))
/*
* Returns zero if all @args is zero otherwise returns tag of non 64-bit number.
*/
#define gen_tag3_i64(ret, a1, a2, a3) \
gen_tag3((ret), E2K_TAG_NON_NUMBER64, (a1), (a2), (a3))
#define gen_tag2_i64(ret, a1, a2) gen_tag3_i64((ret), (a1), (a2), NULL)
#define gen_tag1_i64(ret, a1) gen_tag2_i64((ret), (a1), NULL)
#define gen_tag3_i32(ret, a1, a2, a3) gen_tag3((ret), 1, (a1), (a2), (a3))
/*
* Returns zero if all @args is zero otherwise returns tag of non 32-bit number.
*/
#define gen_tag3_i32(ret, a1, a2, a3) \
gen_tag3((ret), E2K_TAG_NON_NUMBER32, (a1), (a2), (a3))
#define gen_tag2_i32(ret, a1, a2) gen_tag3_i32((ret), (a1), (a2), NULL)
#define gen_tag1_i32(ret, a1) gen_tag2_i32((ret), (a1), NULL)
@ -1465,7 +1476,7 @@ static void gen_alopf1_i32_i64(DisasContext *ctx, int chan,
TCGv_i32 tag = e2k_get_temp_i32(ctx);
TCGv_i64 dst = e2k_get_temp_i64(ctx);
gen_tag2_i32(tag, s1.tag, s2.tag);
gen_tag2_i64(tag, s1.tag, s2.tag);
(*op)(dst, s1.value, s2.value);
gen_al_result_i64(ctx, chan, dst, tag);
}