m68k: fix some comment spelling errors

I found that there are many spelling errors in the comments of qemu/target/m68k.
I used spellcheck to check the spelling errors and found some errors in the folder.

Backports ce00ff729ee8461dc94a1593d25ceda65d973d3c
This commit is contained in:
zhaolichang 2021-03-03 19:13:16 -05:00 committed by Lioncash
parent bf2c52bc83
commit f526d4455c

View file

@ -444,7 +444,7 @@ static TCGv gen_addr_index(DisasContext *s, uint16_t ext, TCGv tmp)
} }
/* /*
* Handle a base + index + displacement effective addresss. * Handle a base + index + displacement effective address.
* A NULL_QREG base means pc-relative. * A NULL_QREG base means pc-relative.
*/ */
static TCGv gen_lea_indexed(CPUM68KState *env, DisasContext *s, TCGv base) static TCGv gen_lea_indexed(CPUM68KState *env, DisasContext *s, TCGv base)
@ -1740,7 +1740,7 @@ static void bcd_add(DisasContext *s, TCGv dest, TCGv src)
/* /*
* t1 = (src + 0x066) + dest + X * t1 = (src + 0x066) + dest + X
* = result with some possible exceding 0x6 * = result with some possible exceeding 0x6
*/ */
t0 = tcg_const_i32(tcg_ctx, 0x066); t0 = tcg_const_i32(tcg_ctx, 0x066);
@ -1750,7 +1750,7 @@ static void bcd_add(DisasContext *s, TCGv dest, TCGv src)
tcg_gen_add_i32(tcg_ctx, t1, t0, dest); tcg_gen_add_i32(tcg_ctx, t1, t0, dest);
tcg_gen_add_i32(tcg_ctx, t1, t1, tcg_ctx->QREG_CC_X); tcg_gen_add_i32(tcg_ctx, t1, t1, tcg_ctx->QREG_CC_X);
/* we will remove exceding 0x6 where there is no carry */ /* we will remove exceeding 0x6 where there is no carry */
/* /*
* t0 = (src + 0x0066) ^ dest * t0 = (src + 0x0066) ^ dest
@ -1780,7 +1780,7 @@ static void bcd_add(DisasContext *s, TCGv dest, TCGv src)
tcg_temp_free(tcg_ctx, t0); tcg_temp_free(tcg_ctx, t0);
/* /*
* remove the exceding 0x6 * remove the exceeding 0x6
* for digits that have not generated a carry * for digits that have not generated a carry
*/ */
@ -2723,7 +2723,7 @@ DISAS_INSN(negx)
gen_flush_flags(s); /* compute old Z */ gen_flush_flags(s); /* compute old Z */
/* /*
* Perform substract with borrow. * Perform subtract with borrow.
* (X, N) = -(src + X); * (X, N) = -(src + X);
*/ */
@ -2738,7 +2738,7 @@ DISAS_INSN(negx)
/* /*
* Compute signed-overflow for negation. The normal formula for * Compute signed-overflow for negation. The normal formula for
* subtraction is (res ^ src) & (src ^ dest), but with dest==0 * subtraction is (res ^ src) & (src ^ dest), but with dest==0
* this simplies to res & src. * this simplifies to res & src.
*/ */
tcg_gen_and_i32(tcg_ctx, QREG_CC_V, QREG_CC_N, src); tcg_gen_and_i32(tcg_ctx, QREG_CC_V, QREG_CC_N, src);
@ -3279,7 +3279,7 @@ static inline void gen_subx(DisasContext *s, TCGv src, TCGv dest, int opsize)
gen_flush_flags(s); /* compute old Z */ gen_flush_flags(s); /* compute old Z */
/* /*
* Perform substract with borrow. * Perform subtract with borrow.
* (X, N) = dest - (src + X); * (X, N) = dest - (src + X);
*/ */
@ -3289,7 +3289,7 @@ static inline void gen_subx(DisasContext *s, TCGv src, TCGv dest, int opsize)
gen_ext(s, QREG_CC_N, QREG_CC_N, opsize, 1); gen_ext(s, QREG_CC_N, QREG_CC_N, opsize, 1);
tcg_gen_andi_i32(tcg_ctx, QREG_CC_X, QREG_CC_X, 1); tcg_gen_andi_i32(tcg_ctx, QREG_CC_X, QREG_CC_X, 1);
/* Compute signed-overflow for substract. */ /* Compute signed-overflow for subtract. */
tcg_gen_xor_i32(tcg_ctx, QREG_CC_V, QREG_CC_N, dest); tcg_gen_xor_i32(tcg_ctx, QREG_CC_V, QREG_CC_N, dest);
tcg_gen_xor_i32(tcg_ctx, tmp, dest, src); tcg_gen_xor_i32(tcg_ctx, tmp, dest, src);