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| author | Aleksandar Markovic <amarkovic@wavecomp.com> | 2019-04-23 13:29:39 +0200 |
|---|---|---|
| committer | Aleksandar Markovic <amarkovic@wavecomp.com> | 2019-06-01 20:20:20 +0200 |
| commit | f49ab2e1e6ca4f218cc970c937f91f9c69c95dd3 (patch) | |
| tree | e3718c307d7be06f7a3d3d50e20032540b23364e /target/mips/dsp_helper.c | |
| parent | 1d336c87a3c7e4ce9cf50895b7811928e0fe8b49 (diff) | |
| download | qemu-f49ab2e1e6ca4f218cc970c937f91f9c69c95dd3.zip qemu-f49ab2e1e6ca4f218cc970c937f91f9c69c95dd3.tar.gz qemu-f49ab2e1e6ca4f218cc970c937f91f9c69c95dd3.tar.bz2 | |
target/mips: Clean up dsp_helper.c
Remove several minor checkpatch warnings and errors.
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <1556018982-3715-6-git-send-email-aleksandar.markovic@rt-rk.com>
Diffstat (limited to 'target/mips/dsp_helper.c')
| -rw-r--r-- | target/mips/dsp_helper.c | 40 |
1 files changed, 29 insertions, 11 deletions
diff --git a/target/mips/dsp_helper.c b/target/mips/dsp_helper.c index 739b69d..8c58eeb 100644 --- a/target/mips/dsp_helper.c +++ b/target/mips/dsp_helper.c @@ -22,8 +22,10 @@ #include "exec/helper-proto.h" #include "qemu/bitops.h" -/* As the byte ordering doesn't matter, i.e. all columns are treated - identically, these unions can be used directly. */ +/* + * As the byte ordering doesn't matter, i.e. all columns are treated + * identically, these unions can be used directly. + */ typedef union { uint8_t ub[4]; int8_t sb[4]; @@ -1445,9 +1447,15 @@ target_ulong helper_precr_ob_qh(target_ulong rs, target_ulong rt) return temp; } -#define PRECR_QH_PW(name, var) \ -target_ulong helper_precr_##name##_qh_pw(target_ulong rs, target_ulong rt, \ - uint32_t sa) \ + +/* + * In case sa == 0, use rt2, rt0, rs2, rs0. + * In case sa != 0, use rt3, rt1, rs3, rs1. + */ +#define PRECR_QH_PW(name, var) \ +target_ulong helper_precr_##name##_qh_pw(target_ulong rs, \ + target_ulong rt, \ + uint32_t sa) \ { \ uint16_t rs3, rs2, rs1, rs0; \ uint16_t rt3, rt2, rt1, rt0; \ @@ -1456,8 +1464,6 @@ target_ulong helper_precr_##name##_qh_pw(target_ulong rs, target_ulong rt, \ MIPSDSP_SPLIT64_16(rs, rs3, rs2, rs1, rs0); \ MIPSDSP_SPLIT64_16(rt, rt3, rt2, rt1, rt0); \ \ - /* When sa = 0, we use rt2, rt0, rs2, rs0; \ - * when sa != 0, we use rt3, rt1, rs3, rs1. */ \ if (sa == 0) { \ tempD = rt2 << var; \ tempC = rt0 << var; \ @@ -1965,7 +1971,8 @@ SHIFT_PH(shra_r, rnd16_rashift); #undef SHIFT_PH /** DSP Multiply Sub-class insns **/ -/* Return value made up by two 16bits value. +/* + * Return value made up by two 16bits value. * FIXME give the macro a better name. */ #define MUL_RETURN32_16_PH(name, func, \ @@ -3274,11 +3281,15 @@ target_ulong helper_dextr_l(target_ulong ac, target_ulong shift, CPUMIPSState *env) { uint64_t temp[3]; + target_ulong ret; shift = shift & 0x3F; mipsdsp_rndrashift_acc(temp, ac, shift, env); - return (temp[1] << 63) | (temp[0] >> 1); + + ret = (temp[1] << 63) | (temp[0] >> 1); + + return ret; } target_ulong helper_dextr_r_l(target_ulong ac, target_ulong shift, @@ -3286,6 +3297,7 @@ target_ulong helper_dextr_r_l(target_ulong ac, target_ulong shift, { uint64_t temp[3]; uint32_t temp128; + target_ulong ret; shift = shift & 0x3F; mipsdsp_rndrashift_acc(temp, ac, shift, env); @@ -3305,7 +3317,9 @@ target_ulong helper_dextr_r_l(target_ulong ac, target_ulong shift, set_DSPControl_overflow_flag(1, 23, env); } - return (temp[1] << 63) | (temp[0] >> 1); + ret = (temp[1] << 63) | (temp[0] >> 1); + + return ret; } target_ulong helper_dextr_rs_l(target_ulong ac, target_ulong shift, @@ -3313,6 +3327,7 @@ target_ulong helper_dextr_rs_l(target_ulong ac, target_ulong shift, { uint64_t temp[3]; uint32_t temp128; + target_ulong ret; shift = shift & 0x3F; mipsdsp_rndrashift_acc(temp, ac, shift, env); @@ -3338,7 +3353,10 @@ target_ulong helper_dextr_rs_l(target_ulong ac, target_ulong shift, } set_DSPControl_overflow_flag(1, 23, env); } - return (temp[1] << 63) | (temp[0] >> 1); + + ret = (temp[1] << 63) | (temp[0] >> 1); + + return ret; } #endif |