* [PATCH, i386]: Fix gcc.target/i386/sse4_1-round-roundeven-2.c execution test failure
@ 2019-08-26 19:56 Uros Bizjak
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From: Uros Bizjak @ 2019-08-26 19:56 UTC (permalink / raw)
To: gcc-patches
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We have to negate masking value to clear certain bits.
2019-08-26 Uroš Bizjak <ubizjak@gmail.com>
* config/i386/i386.c (emit_i387_cw_initialization)
<case I387_CW_ROUNDEVEN>: Fix masking operand value.
Tested on x86_64-linux-gnu {,-m32} and committed to mainline SVN.
Uros.
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Index: config/i386/i386.c
===================================================================
--- config/i386/i386.c (revision 274930)
+++ config/i386/i386.c (working copy)
@@ -13785,7 +13785,7 @@ emit_i387_cw_initialization (int mode)
{
case I387_CW_ROUNDEVEN:
/* round to nearest */
- emit_insn (gen_andhi3 (reg, reg, GEN_INT (0x0c00)));
+ emit_insn (gen_andhi3 (reg, reg, GEN_INT (~0x0c00)));
slot = SLOT_CW_ROUNDEVEN;
break;
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2019-08-26 19:56 [PATCH, i386]: Fix gcc.target/i386/sse4_1-round-roundeven-2.c execution test failure Uros Bizjak
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