From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Cc: laurent@vivier.eu, daniel@0x0f.com
Subject: [PATCH v3 06/26] softfloat: Set QEMU_NO_HARDFLOAT for m68k
Date: Mon, 9 Sep 2024 10:28:03 -0700 [thread overview]
Message-ID: <20240909172823.649837-7-richard.henderson@linaro.org> (raw)
In-Reply-To: <20240909172823.649837-1-richard.henderson@linaro.org>
Like ppc, m68k needs the complete set of exception flags for each
instruction, which means that float_flag_inexact will never be set
before each instruction. Thus the hardfloat path will not be used,
so we improve things by compiling it out.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
fpu/softfloat.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fpu/softfloat.c b/fpu/softfloat.c
index 027a8e576d..0e4ff874e4 100644
--- a/fpu/softfloat.c
+++ b/fpu/softfloat.c
@@ -220,7 +220,7 @@ GEN_INPUT_FLUSH3(float64_input_flush3, float64)
* the use of hardfloat, since hardfloat relies on the inexact flag being
* already set.
*/
-#if defined(TARGET_PPC) || defined(__FAST_MATH__)
+#if defined(TARGET_M68K) || defined(TARGET_PPC) || defined(__FAST_MATH__)
# if defined(__FAST_MATH__)
# warning disabling hardfloat due to -ffast-math: hardfloat requires an exact \
IEEE implementation
--
2.43.0
next prev parent reply other threads:[~2024-09-09 17:31 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-09 17:27 [PATCH v3 00/26] target/m68k: fpu improvements Richard Henderson
2024-09-09 17:27 ` [PATCH v3 01/26] target/m68k: Always return a temporary from gen_lea_mode Richard Henderson
2024-09-09 17:27 ` [PATCH v3 02/26] target/m68k: Add FPSR exception bit defines Richard Henderson
2024-09-09 17:28 ` [PATCH v3 03/26] target/m68k: Restore fp rounding mode on vm load Richard Henderson
2024-09-09 21:59 ` Philippe Mathieu-Daudé
2024-09-09 17:28 ` [PATCH v3 04/26] target/m68k: Keep FPSR up-to-date Richard Henderson
2024-09-09 17:28 ` [PATCH v3 05/26] target/m68k: Update FPSR.EXC Richard Henderson
2024-09-09 17:28 ` Richard Henderson [this message]
2024-09-09 17:28 ` [PATCH v3 07/26] target/m68k: Invoke update_fpsr for FMOVECR Richard Henderson
2024-09-09 17:28 ` [PATCH v3 08/26] target/m68k: Introduce M68K_FEATURE_FPU_PACKED_DECIMAL Richard Henderson
2024-09-09 17:28 ` [PATCH v3 09/26] target/m68k: Merge gen_ea into SRC_EA and DEST_EA Richard Henderson
2024-09-09 22:02 ` Philippe Mathieu-Daudé
2024-09-09 17:28 ` [PATCH v3 10/26] target/m68k: Use g_assert_not_reached in gen_lea_mode and gen_ea_mode Richard Henderson
2024-09-09 22:03 ` Philippe Mathieu-Daudé
2024-09-09 17:28 ` [PATCH v3 11/26] target/m68k: Use OS_UNSIZED in LEA, PEA, JMP Richard Henderson
2024-09-09 17:28 ` [PATCH v3 12/26] target/m68k: Move pre-dec/post-inc to gen_lea_mode Richard Henderson
2024-09-09 17:28 ` [PATCH v3 13/26] target/m68k: Split gen_ea_mode for load/store Richard Henderson
2024-09-09 17:28 ` [PATCH v3 14/26] target/m68k: Remove env argument to gen_lea_indexed Richard Henderson
2024-09-09 22:05 ` Philippe Mathieu-Daudé
2024-09-09 17:28 ` [PATCH v3 15/26] target/m68k: Remove env argument to gen_lea_mode Richard Henderson
2024-09-09 22:06 ` Philippe Mathieu-Daudé
2024-09-09 17:28 ` [PATCH v3 16/26] target/m68k: Remove env argument to gen_load_mode Richard Henderson
2024-09-09 22:06 ` Philippe Mathieu-Daudé
2024-09-09 17:28 ` [PATCH v3 17/26] target/m68k: Remove env argument to gen_store_mode Richard Henderson
2024-09-09 22:06 ` Philippe Mathieu-Daudé
2024-09-09 17:28 ` [PATCH v3 18/26] target/m68k: Remove env argument to gen_ea_mode_fp Richard Henderson
2024-09-09 22:06 ` Philippe Mathieu-Daudé
2024-09-09 17:28 ` [PATCH v3 19/26] target/m68k: Split gen_ea_mode_fp for load/store Richard Henderson
2024-09-09 22:13 ` Philippe Mathieu-Daudé
2024-09-09 17:28 ` [PATCH v3 20/26] target/m68k: Move gen_addr_fault into gen_{load, store}_mode_fp Richard Henderson
2024-09-09 22:14 ` Philippe Mathieu-Daudé
2024-09-09 17:28 ` [PATCH v3 21/26] target/m68k: Merge gen_load_fp, gen_load_mode_fp Richard Henderson
2024-09-09 22:16 ` Philippe Mathieu-Daudé
2024-09-09 17:28 ` [PATCH v3 22/26] target/m68k: Merge gen_store_fp, gen_store_mode_fp Richard Henderson
2024-09-09 22:16 ` Philippe Mathieu-Daudé
2024-09-09 17:28 ` [PATCH v3 23/26] target/m68k: Implement packed decimal real loads and stores Richard Henderson
2024-09-09 17:28 ` [PATCH v3 24/26] tests/tcg/m68k: Add packed decimal tests Richard Henderson
2024-09-09 17:28 ` [PATCH v3 25/26] target/m68k: Make vmstate variables static Richard Henderson
2024-09-09 22:17 ` Philippe Mathieu-Daudé
2024-09-09 17:28 ` [PATCH v3 26/26] target/m68k: Implement FPIAR Richard Henderson
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