diff --git a/test/core/rounding-variants.wast b/test/core/rounding-variants.wast
index 681e4d2c..b0b5a32b 100644
--- a/test/core/rounding-variants.wast
+++ b/test/core/rounding-variants.wast
@@ -64,15 +64,15 @@
 (assert_return (invoke "f64.sqrt_ceil" (f64.const 0x1.fffffffffffffp1023)) (f64.const 0x1p512))
 (assert_return (invoke "f64.sqrt_ceil" (f64.const 0x1.ffffffffffffep1023)) (f64.const 0x1.fffffffffffffp511))
 (assert_return (invoke "f32.convert_ceil_i32_s" (i32.const -1)) (f32.const -0x1p0))
-(assert_return (invoke "f32.convert_ceil_i32_s" (i32.const 2147483647)) (f32.const 0x1p31))
+(assert_return (invoke "f32.convert_ceil_i32_s" (i32.const 16777217)) (f32.const 0x1.000002p24))
 (assert_return (invoke "f32.convert_ceil_i64_s" (i64.const 2251799817879552)) (f32.const 0x1.000002p51))
 (assert_return (invoke "f32.convert_ceil_i64_s" (i64.const -9221120237036896256)) (f32.const -0x1.ffdffep62))
 (assert_return (invoke "f64.convert_ceil_i64_s" (i64.const -9221120237036896256)) (f64.const -0x1.ffdfffffffp62))
-(assert_return (invoke "f64.convert_ceil_i64_s" (i64.const 9223372036854775807)) (f64.const 0x1p63))
+(assert_return (invoke "f64.convert_ceil_i64_s" (i64.const 9223372036854775295)) (f64.const 0x1p63))
 (assert_return (invoke "f64.convert_ceil_i64_u" (i64.const -9221120237036896256)) (f64.const 0x1.00100000008p63))
-(assert_return (invoke "f64.convert_ceil_i64_u" (i64.const 9223372036854775807)) (f64.const 0x1p63))
+(assert_return (invoke "f64.convert_ceil_i64_u" (i64.const -1025)) (f64.const 0x1p64))
 (assert_return (invoke "f64.sqrt_floor" (f64.const 0x1.ffffffffffffdp1023)) (f64.const 0x1.ffffffffffffep511))
-(assert_return (invoke "f64.sqrt_floor" (f64.const 0x1.fffffffffffffp1023)) (f64.const 0x1.fffffffffffffp511))
+(assert_return (invoke "f64.sqrt_floor" (f64.const 0x1.ffe3fffffffffp1022)) (f64.const 0x1.69fffffffffffp511))
 (assert_return (invoke "f64.add_floor" (f64.const 0x1.f333333333338p-983) (f64.const 0x1.3262a3d08p-1036)) (f64.const 0x1.f333333333338p-983))
 (assert_return (invoke "f64.add_floor" (f64.const -0x1.39dee72a8b9f5p527) (f64.const -0x1.fffffffffffffp1023)) (f64.const -inf))
 (assert_return (invoke "f64.add_floor" (f64.const 0x1.9738b89bc6e7fp-972) (f64.const 0x1.f333333333338p-983)) (f64.const 0x1.97771f022d4e5p-972))
@@ -80,13 +80,13 @@
 (assert_return (invoke "f64.sub_floor" (f64.const 0x1p-1074) (f64.const 0x1.ffffffffffffdp1023)) (f64.const -0x1.ffffffffffffdp1023))
 (assert_return (invoke "f64.sub_floor" (f64.const -0x1.2d0a2c4f1323ap-535) (f64.const 0x1.fffffffffffffp1023)) (f64.const -inf))
 (assert_return (invoke "f64.convert_floor_i64_s" (i64.const -4611686293305294848)) (f64.const -0x1.000001p62))
-(assert_return (invoke "f64.convert_floor_i64_s" (i64.const -4611694814520410111)) (f64.const -0x1.00002p62))
+(assert_return (invoke "f64.convert_floor_i64_s" (i64.const -9223372036854775295)) (f64.const -0x1p63))
 (assert_return (invoke "f32.add_trunc" (f32.const -0x1.84153ep-52) (f32.const -0x1.2fe95p-72)) (f32.const -0x1.84155p-52))
 (assert_return (invoke "f32.add_trunc" (f32.const -0x1.84153ep-52) (f32.const 0x1.7f3bccp-25)) (f32.const 0x1.7f3bcap-25))
 (assert_return (invoke "f32.sub_trunc" (f32.const 0x1p-149) (f32.const 0x1.7a6bcap-3)) (f32.const -0x1.7a6bc8p-3))
 (assert_return (invoke "f32.sub_trunc" (f32.const 0x1p-149) (f32.const -0x1p1)) (f32.const 0x1p1))
 (assert_return (invoke "f32.mul_trunc" (f32.const 0x1p-149) (f32.const -0x1.84153ep-52)) (f32.const -0x0p+0))
-(assert_return (invoke "f32.mul_trunc" (f32.const 0x1p-149) (f32.const 0x1.000002p0)) (f32.const 0x1p-149))
+(assert_return (invoke "f32.mul_trunc" (f32.const 0x1p-149) (f32.const 0x1.800002p0)) (f32.const 0x1p-149))
 (assert_return (invoke "f32.div_trunc" (f32.const 0x1.7p-145) (f32.const 0x1.cep-142)) (f32.const 0x1.97d3aap-4))
 (assert_return (invoke "f32.div_trunc" (f32.const 0x1p-149) (f32.const -0x1.a3d70ap-15)) (f32.const -0x1.383p-135))
 (assert_return (invoke "f64.add_trunc" (f64.const -0x1.2d0a2c4f1323ap-535) (f64.const 0x1p0)) (f64.const 0x1.fffffffffffffp-1))
@@ -102,10 +102,9 @@
 (assert_return (invoke "f32.convert_trunc_i64_s" (i64.const 1923660277)) (f32.const 0x1.caa2e6p30))
 (assert_return (invoke "f32.convert_trunc_i64_s" (i64.const -9223372036854775807)) (f32.const -0x0.ffffffp63))
 (assert_return (invoke "f32.demote_trunc_f64" (f64.const 0x1.d50afcab2f9p44)) (f32.const 0x1.d50afcp44))
-(assert_return (invoke "f32.demote_trunc_f64" (f64.const -0x1.d50afcab2f9p44)) (f32.const -0x1.d50afcp44))
+(assert_return (invoke "f32.demote_trunc_f64" (f64.const -0x1.fffffffffffffp1023)) (f32.const -0x1.fffffep127))
 (assert_return (invoke "f64.convert_trunc_i64_s" (i64.const -9223372036854775807)) (f64.const -0x0.fffffffffffff8p63))
 (assert_return (invoke "f64.convert_trunc_i64_s" (i64.const 9223372036854775806)) (f64.const 0x0.fffffffffffff8p63))
-
 (assert_return (invoke "f32.sqrt_ceil" (f32.const 0x1p-149)) (f32.const 0x1.6a09e8p-75))
 (assert_return (invoke "f32.add_ceil" (f32.const 0x1.fffffcp-127) (f32.const 0x1.7a6bcap-3)) (f32.const 0x1.7a6bccp-3))
 (assert_return (invoke "f32.sub_ceil" (f32.const 0x1p-149) (f32.const -0x0.ffffffp1)) (f32.const 0x1p1))
@@ -113,36 +112,36 @@
 (assert_return (invoke "f32.div_ceil" (f32.const 0x1p-149) (f32.const 0x1.fffffcp-127)) (f32.const 0x1.000004p-23))
 (assert_return (invoke "f64.add_ceil" (f64.const 0x1.7a6bca5c20a9fp-3) (f64.const 0x1.fffffffffffffp1023)) (f64.const inf))
 (assert_return (invoke "f64.sub_ceil" (f64.const 0x1.7a6bca5c20a9fp-3) (f64.const -0x1.fffffffffffffp1023)) (f64.const inf))
-(assert_return (invoke "f64.mul_ceil" (f64.const 0x1p-1074) (f64.const 0x1.9e3779b97f4a8p0)) (f64.const 0x1p-1073))
+(assert_return (invoke "f64.mul_ceil" (f64.const 0x1p-1073) (f64.const 0x1.9e3779b97f4a8p0)) (f64.const 0x1p-1072))
 (assert_return (invoke "f64.div_ceil" (f64.const 0x1p-1074) (f64.const 0x1.7a6bca5c20a9fp-3)) (f64.const 0x1.8p-1072))
-(assert_return (invoke "f32.convert_ceil_i32_u" (i32.const -1)) (f32.const 0x1p32))
+(assert_return (invoke "f32.convert_ceil_i32_u" (i32.const -129)) (f32.const 0x1p32))
 (assert_return (invoke "f32.convert_ceil_i64_u" (i64.const -9223372036854775807)) (f32.const 0x1.000002p63))
 (assert_return (invoke "f32.demote_ceil_f64" (f64.const 0x1.fffffcp-1052)) (f32.const 0x1p-149))
 (assert_return (invoke "f64.convert_ceil_i32_s" (i32.const -1073741825)) (f64.const -0x1.00000004p30))
 (assert_return (invoke "f64.convert_ceil_i32_u" (i32.const -1)) (f64.const 0x1.fffffffep31))
 (assert_return (invoke "f64.promote_ceil_f32" (f32.const 0x1.7a6bcap-3)) (f64.const 0x1.7a6bcap-3))
-(assert_return (invoke "f32.sqrt_floor" (f32.const 0x1p-149)) (f32.const 0x1.6a09e6p-75))
-(assert_return (invoke "f32.add_floor" (f32.const 0x1p-149) (f32.const -0x0.ffffffp1)) (f32.const -0x0.ffffffp1))
-(assert_return (invoke "f32.sub_floor" (f32.const 0x1p-149) (f32.const 0x1.7a6bcap-3)) (f32.const -0x1.7a6bcap-3))
-(assert_return (invoke "f32.mul_floor" (f32.const 0x1p-149) (f32.const -0x0.ffffffp1)) (f32.const -0x1p-148))
+(assert_return (invoke "f32.sqrt_floor" (f32.const 0x1.8p-148)) (f32.const 0x1.3988ep-74))
+(assert_return (invoke "f32.add_floor" (f32.const -0x1.fffffep126) (f32.const -0x0.ffffffp125)) (f32.const -0x1.4p127))
+(assert_return (invoke "f32.sub_floor" (f32.const -0x1.fffffep126) (f32.const 0x1p-148)) (f32.const -0x1p127))
+(assert_return (invoke "f32.mul_floor" (f32.const -0x1.fffffep127) (f32.const 0x1.8p-148)) (f32.const -0x1.8p-20))
 (assert_return (invoke "f32.div_floor" (f32.const 0x1p-149) (f32.const -0x1p1)) (f32.const -0x1p-149))
-(assert_return (invoke "f64.mul_floor" (f64.const 0x1.3504f333f9de6p1) (f64.const -0x1.ffffffffffffdp1023)) (f64.const -inf))
+(assert_return (invoke "f64.mul_floor" (f64.const 0x1.ff007fc01fefap38) (f64.const -0x1.0080000000003p985)) (f64.const -inf))
 (assert_return (invoke "f64.div_floor" (f64.const 0x1.7a6bca5c20a9fp-3) (f64.const -0x1.f1e9af28p-1045)) (f64.const -inf))
+(assert_return (invoke "f64.div_floor" (f64.const 0x1.3ec7a13ca219bp809) (f64.const 0x1p-1074)) (f64.const 0x1.fffffffffffffp1023))
 (assert_return (invoke "f32.convert_floor_i32_s" (i32.const -1073741825)) (f32.const -0x1.000002p30))
 (assert_return (invoke "f32.convert_floor_i32_u" (i32.const -1)) (f32.const 0x1.fffffep31))
-(assert_return (invoke "f32.convert_floor_i64_s" (i64.const -9223372036854775807)) (f32.const -0x1p63))
-(assert_return (invoke "f32.convert_floor_i64_u" (i64.const -9223372036854775807)) (f32.const 0x1p63))
+(assert_return (invoke "f32.convert_floor_i64_s" (i64.const -262505707157575316)) (f32.const -0x1.d24dc8p57))
+(assert_return (invoke "f32.convert_floor_i64_u" (i64.const -2241774542048937483)) (f32.const 0x1.c1c73ap63))
 (assert_return (invoke "f32.demote_floor_f64" (f64.const -0x1p-1074)) (f32.const -0x1p-149))
 (assert_return (invoke "f64.convert_floor_i64_u" (i64.const -4503599627370499)) (f64.const 0x1.ffdffffffffffp63))
-
 (assert_return (invoke "f64.convert_floor_i32_s" (i32.const -1073741825)) (f64.const -0x1.00000004p30))
 (assert_return (invoke "f64.convert_floor_i32_u" (i32.const -1)) (f64.const 0x1.fffffffep31))
 (assert_return (invoke "f64.promote_floor_f32" (f32.const 0x1.7a6bcap-3)) (f64.const 0x1.7a6bcap-3))
-(assert_return (invoke "f32.sqrt_trunc" (f32.const 0x1p-149)) (f32.const 0x1.6a09e6p-75))
+(assert_return (invoke "f32.sqrt_trunc" (f32.const 0x1.8p-148)) (f32.const 0x1.3988ep-74))
 (assert_return (invoke "f64.sqrt_trunc" (f64.const 0x1.ffffffffffffdp1023)) (f64.const 0x1.ffffffffffffep511))
-(assert_return (invoke "f64.sqrt_trunc" (f64.const 0x1.fffffffffffffp1023)) (f64.const 0x1.fffffffffffffp511))
+(assert_return (invoke "f64.sqrt_trunc" (f64.const 0x1.ffe3fffffffffp1022)) (f64.const 0x1.69fffffffffffp511))
 (assert_return (invoke "f32.convert_trunc_i32_u" (i32.const -1)) (f32.const 0x1.fffffep31))
-(assert_return (invoke "f32.convert_trunc_i64_u" (i64.const -9223372036854775807)) (f32.const 0x1p63))
+(assert_return (invoke "f32.convert_trunc_i64_u" (i64.const -2241774542048937483)) (f32.const 0x1.c1c73ap63))
 (assert_return (invoke "f64.convert_trunc_i32_s" (i32.const -1073741825)) (f64.const -0x1.00000004p30))
 (assert_return (invoke "f64.convert_trunc_i32_u" (i32.const -1)) (f64.const 0x1.fffffffep31))
 (assert_return (invoke "f64.convert_trunc_i64_u" (i64.const -4503599627370499)) (f64.const 0x1.ffdffffffffffp63))