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commit 35343350beb699e87bae86a5466895de6d9827e9
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Author: sewardj <sewardj@8f6e269a-dfd6-0310-a8e1-e2731360e62c>
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Date: Thu Oct 30 15:37:16 2014 +0000
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Implement frintx d_d and s_s. Fixes #339926.
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git-svn-id: svn://svn.valgrind.org/vex/trunk@2981 8f6e269a-dfd6-0310-a8e1-e2731360e62c
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diff --git a/VEX/priv/guest_arm64_toIR.c b/VEX/priv/guest_arm64_toIR.c
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index 7f22f13..0377139 100644
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--- a/VEX/priv/guest_arm64_toIR.c
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+++ b/VEX/priv/guest_arm64_toIR.c
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@@ -11921,7 +11921,7 @@ Bool dis_AdvSIMD_fp_data_proc_1_source(/*MB_OUT*/DisResult* dres, UInt insn)
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011 zero (FRINTZ)
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000 tieeven
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100 tieaway (FRINTA) -- !! FIXME KLUDGED !!
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- 110 per FPCR + "exact = TRUE"
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+ 110 per FPCR + "exact = TRUE" (FRINTX)
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101 unallocated
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*/
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Bool isD = (ty & 1) == 1;
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@@ -11935,6 +11935,10 @@ Bool dis_AdvSIMD_fp_data_proc_1_source(/*MB_OUT*/DisResult* dres, UInt insn)
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case BITS3(0,0,1): ch = 'p'; irrmE = mkU32(Irrm_PosINF); break;
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// The following is a kludge. Should be: Irrm_NEAREST_TIE_AWAY_0
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case BITS3(1,0,0): ch = 'a'; irrmE = mkU32(Irrm_NEAREST); break;
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+ // I am unsure about the following, due to the "integral exact"
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+ // description in the manual. What does it mean?
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+ case BITS3(1,1,0):
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+ ch = 'x'; irrmE = mkexpr(mk_get_IR_rounding_mode()); break;
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default: break;
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}
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if (irrmE) {
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