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target-sh4: Fix operands for fipr, ftrv instructions 

Coverity complained about right shifts of opcode (16, 18) which were
larger than the size of opcode (16 bit).

Using the correct shift values fixes this.

Cc: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
This commit is contained in:
Stefan Weil 2012-01-05 13:11:48 +01:00 committed by Aurelien Jarno
parent e9b40fd34c
commit f840fa995f
1 changed files with 3 additions and 3 deletions
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6
target-sh4/translate.c
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@ -1864,8 +1864,8 @@ static void _decode_opc(DisasContext * ctx)
CHECK_FPU_ENABLED
if ((ctx->fpscr & FPSCR_PR) == 0) {
TCGv m, n;
m = tcg_const_i32((ctx->opcode >> 16) & 3);
n = tcg_const_i32((ctx->opcode >> 18) & 3);
m = tcg_const_i32((ctx->opcode >> 8) & 3);
n = tcg_const_i32((ctx->opcode >> 10) & 3);
gen_helper_fipr(m, n);
tcg_temp_free(m);
tcg_temp_free(n);
@ -1877,7 +1877,7 @@ static void _decode_opc(DisasContext * ctx)
if ((ctx->opcode & 0x0300) == 0x0100 &&
(ctx->fpscr & FPSCR_PR) == 0) {
TCGv n;
n = tcg_const_i32((ctx->opcode >> 18) & 3);
n = tcg_const_i32((ctx->opcode >> 10) & 3);
gen_helper_ftrv(n);
tcg_temp_free(n);
return;