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[v2,1/3] target/arm: Use float_status copy in sme_fmopa_s

Message ID 20240717060149.204788-2-richard.henderson@linaro.org
State New
Headers show
Series target/arm: Fixes for SME FMOPA (#2373) | expand

Commit Message

Richard Henderson July 17, 2024, 6:01 a.m. UTC 
From: Daniyal Khan <danikhan632@gmail.com>

We made a copy above because the fp exception flags
are not propagated back to the FPST register, but
then failed to use the copy.

Cc: qemu-stable@nongnu.org
Fixes: 558e956c719 ("target/arm: Implement FMOPA, FMOPS (non-widening)")
Signed-off-by: Daniyal Khan <danikhan632@gmail.com>
[rth: Split from a larger patch]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
---
 target/arm/tcg/sme_helper.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/target/arm/tcg/sme_helper.c b/target/arm/tcg/sme_helper.c
index e2e0575039..5a6dd76489 100644
--- a/target/arm/tcg/sme_helper.c
+++ b/target/arm/tcg/sme_helper.c
@@ -916,7 +916,7 @@  void HELPER(sme_fmopa_s)(void *vza, void *vzn, void *vzm, void *vpn,
                         if (pb & 1) {
                             uint32_t *a = vza_row + H1_4(col);
                             uint32_t *m = vzm + H1_4(col);
-                            *a = float32_muladd(n, *m, *a, 0, vst);
+                            *a = float32_muladd(n, *m, *a, 0, &fpst);
                         }
                         col += 4;
                         pb >>= 4;