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| author | Richard Henderson <richard.henderson@linaro.org> | 2024-05-02 09:55:25 -0700 |
|---|---|---|
| committer | Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> | 2024-05-05 21:02:48 +0100 |
| commit | a859602c746baf4892cc8ca1ce003e92411d1716 (patch) | |
| tree | 9128471570d1f1a49da081fc3760a002f56fe9bd /target/sparc/vis_helper.c | |
| parent | 9157dccc7e71f7c94581c38f38acbef9a21bbe9a (diff) | |
| download | qemu-a859602c746baf4892cc8ca1ce003e92411d1716.zip qemu-a859602c746baf4892cc8ca1ce003e92411d1716.tar.gz qemu-a859602c746baf4892cc8ca1ce003e92411d1716.tar.bz2 | |
target/sparc: Fix FMUL8x16A{U,L}
These instructions have f32 inputs, which changes the decode
of the register numbers. While we're fixing things, use a
common helper for both insns, extracting the 16-bit scalar
in tcg beforehand.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20240502165528.244004-5-richard.henderson@linaro.org>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Diffstat (limited to 'target/sparc/vis_helper.c')
| -rw-r--r-- | target/sparc/vis_helper.c | 47 |
1 files changed, 13 insertions, 34 deletions
diff --git a/target/sparc/vis_helper.c b/target/sparc/vis_helper.c index 7728ffe..ff2f43c 100644 --- a/target/sparc/vis_helper.c +++ b/target/sparc/vis_helper.c @@ -119,44 +119,23 @@ uint64_t helper_fmul8x16(uint32_t src1, uint64_t src2) return d.ll; } -uint64_t helper_fmul8x16al(uint64_t src1, uint64_t src2) +uint64_t helper_fmul8x16a(uint32_t src1, int32_t src2) { - VIS64 s, d; - uint32_t tmp; - - s.ll = src1; - d.ll = src2; - -#define PMUL(r) \ - tmp = (int32_t)d.VIS_SW64(1) * (int32_t)s.VIS_B64(r); \ - if ((tmp & 0xff) > 0x7f) { \ - tmp += 0x100; \ - } \ - d.VIS_W64(r) = tmp >> 8; - - PMUL(0); - PMUL(1); - PMUL(2); - PMUL(3); -#undef PMUL - - return d.ll; -} - -uint64_t helper_fmul8x16au(uint64_t src1, uint64_t src2) -{ - VIS64 s, d; + VIS32 s; + VIS64 d; uint32_t tmp; - s.ll = src1; - d.ll = src2; + s.l = src1; + d.ll = 0; -#define PMUL(r) \ - tmp = (int32_t)d.VIS_SW64(0) * (int32_t)s.VIS_B64(r); \ - if ((tmp & 0xff) > 0x7f) { \ - tmp += 0x100; \ - } \ - d.VIS_W64(r) = tmp >> 8; +#define PMUL(r) \ + do { \ + tmp = src2 * (int32_t)s.VIS_B32(r); \ + if ((tmp & 0xff) > 0x7f) { \ + tmp += 0x100; \ + } \ + d.VIS_W64(r) = tmp >> 8; \ + } while (0) PMUL(0); PMUL(1); |