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target-ppc: use the new subfi wrapper 

(...and fix rldnm)

Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5600 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aurel32 2008-11-02 08:23:14 +00:00
parent 0045734ab7
commit fdce4963ea
1 changed files with 4 additions and 8 deletions
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12
target-ppc/translate.c
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@ -1747,7 +1747,7 @@ GEN_HANDLER(rlwinm, 0x15, 0xFF, 0xFF, 0x00000000, PPC_INTEGER)
GEN_HANDLER(rlwnm, 0x17, 0xFF, 0xFF, 0x00000000, PPC_INTEGER)
{
uint32_t mb, me;
TCGv t0, t1, t2, t3;
TCGv t0, t1, t2;
mb = MB(ctx->opcode);
me = ME(ctx->opcode);
@ -1757,9 +1757,7 @@ GEN_HANDLER(rlwnm, 0x17, 0xFF, 0xFF, 0x00000000, PPC_INTEGER)
tcg_gen_ext32u_tl(t1, cpu_gpr[rS(ctx->opcode)]);
t2 = tcg_temp_new(TCG_TYPE_TL);
tcg_gen_shl_tl(t2, t1, t0);
t3 = tcg_const_tl(32);
tcg_gen_sub_tl(t0, t3, t0);
tcg_temp_free(t3);
tcg_gen_subfi_tl(t0, 32, t0);
tcg_gen_shr_tl(t1, t1, t0);
tcg_temp_free(t0);
tcg_gen_or_tl(t2, t2, t1);
@ -1872,7 +1870,7 @@ GEN_PPC64_R4(rldic, 0x1E, 0x04);
static always_inline void gen_rldnm (DisasContext *ctx, uint32_t mb,
uint32_t me)
{
TCGv t0, t1, t2;
TCGv t0, t1;
mb = MB(ctx->opcode);
me = ME(ctx->opcode);
@ -1880,9 +1878,7 @@ static always_inline void gen_rldnm (DisasContext *ctx, uint32_t mb,
tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3f);
t1 = tcg_temp_new(TCG_TYPE_TL);
tcg_gen_shl_tl(t1, cpu_gpr[rS(ctx->opcode)], t0);
t2 = tcg_const_tl(32);
tcg_gen_sub_tl(t0, t2, t0);
tcg_temp_free(t2);
tcg_gen_subfi_tl(t0, 64, t0);
tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
tcg_gen_or_tl(t1, t1, t0);
tcg_temp_free(t0);